WIP: run clang-format-js on lots of things

chrome/browser/resources/md_history/app.crisper.js

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
-function PromiseResolver(){this.resolve_;this.reject_;this.promise_=new Promise(function(resolve,reject){this.resolve_=resolve;this.reject_=reject}.bind(this))}PromiseResolver.prototype={get promise(){return this.promise_},set promise(p){assertNotReached()},get resolve(){return this.resolve_},set resolve(r){assertNotReached()},get reject(){return this.reject_},set reject(s){assertNotReached()}};
+function PromiseResolver() {
+  this.resolve_;
+  this.reject_;
+  this.promise_ = new Promise(function(resolve, reject) {
+    this.resolve_ = resolve;
+    this.reject_ = reject
+  }.bind(this))
+}
+PromiseResolver.prototype = {
+  get promise() {
+    return this.promise_
+  },
+  set promise(p) {
+    assertNotReached()
+  },
+  get resolve() {
+    return this.resolve_
+  },
+  set resolve(r) {
+    assertNotReached()
+  },
+  get reject() {
+    return this.reject_
+  },
+  set reject(s) {
+    assertNotReached()
+  }
+};
 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
-var global=this;var WebUIListener;var cr=cr||function(){"use strict";function exportPath(name,opt_object,opt_objectToExportTo){var parts=name.split(".");var cur=opt_objectToExportTo||global;for(var part;parts.length&&(part=parts.shift());){if(!parts.length&&opt_object!==undefined){cur[part]=opt_object}else if(part in cur){cur=cur[part]}else{cur=cur[part]={}}}return cur}function dispatchPropertyChange(target,propertyName,newValue,oldValue){var e=new Event(propertyName+"Change");e.propertyName=propertyName;e.newValue=newValue;e.oldValue=oldValue;target.dispatchEvent(e)}function getAttributeName(jsName){return jsName.replace(/([A-Z])/g,"-$1").toLowerCase()}var PropertyKind={JS:"js",ATTR:"attr",BOOL_ATTR:"boolAttr"};function getGetter(name,kind){switch(kind){case PropertyKind.JS:var privateName=name+"_";return function(){return this[privateName]};case PropertyKind.ATTR:var attributeName=getAttributeName(name);return function(){return this.getAttribute(attributeName)};case PropertyKind.BOOL_ATTR:var attributeName=getAttributeName(name);return function(){return this.hasAttribute(attributeName)}}throw"not reached"}function getSetter(name,kind,opt_setHook){switch(kind){case PropertyKind.JS:var privateName=name+"_";return function(value){var oldValue=this[name];if(value!==oldValue){this[privateName]=value;if(opt_setHook)opt_setHook.call(this,value,oldValue);dispatchPropertyChange(this,name,value,oldValue)}};case PropertyKind.ATTR:var attributeName=getAttributeName(name);return function(value){var oldValue=this[name];if(value!==oldValue){if(value==undefined)this.removeAttribute(attributeName);else this.setAttribute(attributeName,value);if(opt_setHook)opt_setHook.call(this,value,oldValue);dispatchPropertyChange(this,name,value,oldValue)}};case PropertyKind.BOOL_ATTR:var attributeName=getAttributeName(name);return function(value){var oldValue=this[name];if(value!==oldValue){if(value)this.setAttribute(attributeName,name);else this.removeAttribute(attributeName);if(opt_setHook)opt_setHook.call(this,value,oldValue);dispatchPropertyChange(this,name,value,oldValue)}}}throw"not reached"}function defineProperty(obj,name,opt_kind,opt_setHook){if(typeof obj=="function")obj=obj.prototype;var kind=opt_kind||PropertyKind.JS;if(!obj.__lookupGetter__(name))obj.__defineGetter__(name,getGetter(name,kind));if(!obj.__lookupSetter__(name))obj.__defineSetter__(name,getSetter(name,kind,opt_setHook))}var uidCounter=1;function createUid(){return uidCounter++}function getUid(item){if(item.hasOwnProperty("uid"))return item.uid;return item.uid=createUid()}function dispatchSimpleEvent(target,type,opt_bubbles,opt_cancelable){var e=new Event(type,{bubbles:opt_bubbles,cancelable:opt_cancelable===undefined||opt_cancelable});return target.dispatchEvent(e)}function define(name,fun){var obj=exportPath(name);var exports=fun();for(var propertyName in exports){var propertyDescriptor=Object.getOwnPropertyDescriptor(exports,propertyName);if(propertyDescriptor)Object.defineProperty(obj,propertyName,propertyDescriptor)}}function addSingletonGetter(ctor){ctor.getInstance=function(){return ctor.instance_||(ctor.instance_=new ctor)}}function makePublic(ctor,methods,opt_target){methods.forEach(function(method){ctor[method]=function(){var target=opt_target?document.getElementById(opt_target):ctor.getInstance();return target[method+"_"].apply(target,arguments)}})}var chromeSendResolverMap={};function webUIResponse(id,isSuccess,response){var resolver=chromeSendResolverMap[id];delete chromeSendResolverMap[id];if(isSuccess)resolver.resolve(response);else resolver.reject(response)}function sendWithPromise(methodName,var_args){var args=Array.prototype.slice.call(arguments,1);var promiseResolver=new PromiseResolver;var id=methodName+"_"+createUid();chromeSendResolverMap[id]=promiseResolver;chrome.send(methodName,[id].concat(args));return promiseResolver.promise}var webUIListenerMap={};function webUIListenerCallback(event,var_args){var eventListenersMap=webUIListenerMap[event];if(!eventListenersMap){return}var args=Array.prototype.slice.call(arguments,1);for(var listenerId in eventListenersMap){eventListenersMap[listenerId].apply(null,args)}}function addWebUIListener(eventName,callback){webUIListenerMap[eventName]=webUIListenerMap[eventName]||{};var uid=createUid();webUIListenerMap[eventName][uid]=callback;return{eventName:eventName,uid:uid}}function removeWebUIListener(listener){var listenerExists=webUIListenerMap[listener.eventName]&&webUIListenerMap[listener.eventName][listener.uid];if(listenerExists){delete webUIListenerMap[listener.eventName][listener.uid];return true}return false}return{addSingletonGetter:addSingletonGetter,createUid:createUid,define:define,defineProperty:defineProperty,dispatchPropertyChange:dispatchPropertyChange,dispatchSimpleEvent:dispatchSimpleEvent,exportPath:exportPath,getUid:getUid,makePublic:makePublic,PropertyKind:PropertyKind,addWebUIListener:addWebUIListener,removeWebUIListener:removeWebUIListener,sendWithPromise:sendWithPromise,webUIListenerCallback:webUIListenerCallback,webUIResponse:webUIResponse,get doc(){return document},get isMac(){return/Mac/.test(navigator.platform)},get isWindows(){return/Win/.test(navigator.platform)},get isChromeOS(){return/CrOS/.test(navigator.userAgent)},get isLinux(){return/Linux/.test(navigator.userAgent)},get isAndroid(){return/Android/.test(navigator.userAgent)},get isIOS(){return/iPad|iPhone|iPod/.test(navigator.platform)}}}();
+var global = this;
+var WebUIListener;
+var cr = cr || function() {
+  "use strict";
+  function exportPath(name, opt_object, opt_objectToExportTo) {
+    var parts = name.split(".");
+    var cur = opt_objectToExportTo || global;
+    for (var part; parts.length && (part = parts.shift());) {
+      if (!parts.length && opt_object !== undefined) {
+        cur[part] = opt_object
+      } else if (part in cur) {
+        cur = cur[part]
+      } else {
+        cur = cur[part] = {}
+      }
+    }
+    return cur
+  }
+  function dispatchPropertyChange(target, propertyName, newValue, oldValue) {
+    var e = new Event(propertyName + "Change");
+    e.propertyName = propertyName;
+    e.newValue = newValue;
+    e.oldValue = oldValue;
+    target.dispatchEvent(e)
+  }
+  function getAttributeName(jsName) {
+    return jsName.replace(/([A-Z])/g, "-$1").toLowerCase()
+  }
+  var PropertyKind = {JS: "js", ATTR: "attr", BOOL_ATTR: "boolAttr"};
+  function getGetter(name, kind) {
+    switch (kind) {
+      case PropertyKind.JS:
+        var privateName = name + "_";
+        return function() {
+          return this[privateName]
+        };
+      case PropertyKind.ATTR:
+        var attributeName = getAttributeName(name);
+        return function() {
+          return this.getAttribute(attributeName)
+        };
+      case PropertyKind.BOOL_ATTR:
+        var attributeName = getAttributeName(name);
+        return function() {
+          return this.hasAttribute(attributeName)
+        }
+    }
+    throw "not reached"
+  }
+  function getSetter(name, kind, opt_setHook) {
+    switch (kind) {
+      case PropertyKind.JS:
+        var privateName = name + "_";
+        return function(value) {
+          var oldValue = this[name];
+          if (value !== oldValue) {
+            this[privateName] = value;
+            if (opt_setHook)
+              opt_setHook.call(this, value, oldValue);
+            dispatchPropertyChange(this, name, value, oldValue)
+          }
+        };
+      case PropertyKind.ATTR:
+        var attributeName = getAttributeName(name);
+        return function(value) {
+          var oldValue = this[name];
+          if (value !== oldValue) {
+            if (value == undefined)
+              this.removeAttribute(attributeName);
+            else
+              this.setAttribute(attributeName, value);
+            if (opt_setHook)
+              opt_setHook.call(this, value, oldValue);
+            dispatchPropertyChange(this, name, value, oldValue)
+          }
+        };
+      case PropertyKind.BOOL_ATTR:
+        var attributeName = getAttributeName(name);
+        return function(value) {
+          var oldValue = this[name];
+          if (value !== oldValue) {
+            if (value)
+              this.setAttribute(attributeName, name);
+            else
+              this.removeAttribute(attributeName);
+            if (opt_setHook)
+              opt_setHook.call(this, value, oldValue);
+            dispatchPropertyChange(this, name, value, oldValue)
+          }
+        }
+    }
+    throw "not reached"
+  }
+  function defineProperty(obj, name, opt_kind, opt_setHook) {
+    if (typeof obj == "function")
+      obj = obj.prototype;
+    var kind = opt_kind || PropertyKind.JS;
+    if (!obj.__lookupGetter__(name))
+      obj.__defineGetter__(name, getGetter(name, kind));
+    if (!obj.__lookupSetter__(name))
+      obj.__defineSetter__(name, getSetter(name, kind, opt_setHook))
+  }
+  var uidCounter = 1;
+  function createUid() {
+    return uidCounter++
+  }
+  function getUid(item) {
+    if (item.hasOwnProperty("uid"))
+      return item.uid;
+    return item.uid = createUid()
+  }
+  function dispatchSimpleEvent(target, type, opt_bubbles, opt_cancelable) {
+    var e = new Event(type, {
+      bubbles: opt_bubbles,
+      cancelable: opt_cancelable === undefined || opt_cancelable
+    });
+    return target.dispatchEvent(e)
+  }
+  function define(name, fun) {
+    var obj = exportPath(name);
+    var exports = fun();
+    for (var propertyName in exports) {
+      var propertyDescriptor =
+          Object.getOwnPropertyDescriptor(exports, propertyName);
+      if (propertyDescriptor)
+        Object.defineProperty(obj, propertyName, propertyDescriptor)
+    }
+  }
+  function addSingletonGetter(ctor) {
+    ctor.getInstance = function() {
+      return ctor.instance_ || (ctor.instance_ = new ctor)
+    }
+  }
+  function makePublic(ctor, methods, opt_target) {
+    methods.forEach(function(method) {
+      ctor[method] = function() {
+        var target = opt_target ? document.getElementById(opt_target) :
+                                  ctor.getInstance();
+        return target[method + "_"].apply(target, arguments)
+      }
+    })
+  }
+  var chromeSendResolverMap = {};
+  function webUIResponse(id, isSuccess, response) {
+    var resolver = chromeSendResolverMap[id];
+    delete chromeSendResolverMap[id];
+    if (isSuccess)
+      resolver.resolve(response);
+    else
+      resolver.reject(response)
+  }
+  function sendWithPromise(methodName, var_args) {
+    var args = Array.prototype.slice.call(arguments, 1);
+    var promiseResolver = new PromiseResolver;
+    var id = methodName + "_" + createUid();
+    chromeSendResolverMap[id] = promiseResolver;
+    chrome.send(methodName, [id].concat(args));
+    return promiseResolver.promise
+  }
+  var webUIListenerMap = {};
+  function webUIListenerCallback(event, var_args) {
+    var eventListenersMap = webUIListenerMap[event];
+    if (!eventListenersMap) {
+      return
+    }
+    var args = Array.prototype.slice.call(arguments, 1);
+    for (var listenerId in eventListenersMap) {
+      eventListenersMap[listenerId].apply(null, args)
+    }
+  }
+  function addWebUIListener(eventName, callback) {
+    webUIListenerMap[eventName] = webUIListenerMap[eventName] || {};
+    var uid = createUid();
+    webUIListenerMap[eventName][uid] = callback;
+    return {
+      eventName: eventName, uid: uid
+    }
+  }
+  function removeWebUIListener(listener) {
+    var listenerExists = webUIListenerMap[listener.eventName] &&
+        webUIListenerMap[listener.eventName][listener.uid];
+    if (listenerExists) {
+      delete webUIListenerMap[listener.eventName][listener.uid];
+      return true
+    }
+    return false
+  }
+  return {
+    addSingletonGetter: addSingletonGetter, createUid: createUid,
+        define: define, defineProperty: defineProperty,
+        dispatchPropertyChange: dispatchPropertyChange,
+        dispatchSimpleEvent: dispatchSimpleEvent, exportPath: exportPath,
+        getUid: getUid, makePublic: makePublic, PropertyKind: PropertyKind,
+        addWebUIListener: addWebUIListener,
+        removeWebUIListener: removeWebUIListener,
+        sendWithPromise: sendWithPromise,
+        webUIListenerCallback: webUIListenerCallback,
+        webUIResponse: webUIResponse, get doc(){return document},
+        get isMac(){return /Mac/.test(navigator.platform)},
+        get isWindows(){return /Win/.test(navigator.platform)},
+        get isChromeOS(){return /CrOS/.test(navigator.userAgent)},
+        get isLinux(){return /Linux/.test(navigator.userAgent)},
+        get isAndroid(){return /Android/.test(navigator.userAgent)},
+        get isIOS() {
+      return /iPad|iPhone|iPod/.test(navigator.platform)
+    }
+  }
+}();
 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
-cr.define("cr.ui",function(){function decorate(source,constr){var elements;if(typeof source=="string")elements=cr.doc.querySelectorAll(source);else elements=[source];for(var i=0,el;el=elements[i];i++){if(!(el instanceof constr))constr.decorate(el)}}function createElementHelper(tagName,opt_bag){var doc;if(opt_bag&&opt_bag.ownerDocument)doc=opt_bag.ownerDocument;else doc=cr.doc;return doc.createElement(tagName)}function define(tagNameOrFunction){var createFunction,tagName;if(typeof tagNameOrFunction=="function"){createFunction=tagNameOrFunction;tagName=""}else{createFunction=createElementHelper;tagName=tagNameOrFunction}function f(opt_propertyBag){var el=createFunction(tagName,opt_propertyBag);f.decorate(el);for(var propertyName in opt_propertyBag){el[propertyName]=opt_propertyBag[propertyName]}return el}f.decorate=function(el){el.__proto__=f.prototype;el.decorate()};return f}function limitInputWidth(el,parentEl,min,opt_scale){el.style.width="10px";var doc=el.ownerDocument;var win=doc.defaultView;var computedStyle=win.getComputedStyle(el);var parentComputedStyle=win.getComputedStyle(parentEl);var rtl=computedStyle.direction=="rtl";var inputRect=el.getBoundingClientRect();var parentRect=parentEl.getBoundingClientRect();var startPos=rtl?parentRect.right-inputRect.right:inputRect.left-parentRect.left;var inner=parseInt(computedStyle.borderLeftWidth,10)+parseInt(computedStyle.paddingLeft,10)+parseInt(computedStyle.paddingRight,10)+parseInt(computedStyle.borderRightWidth,10);var parentPadding=rtl?parseInt(parentComputedStyle.paddingLeft,10):parseInt(parentComputedStyle.paddingRight,10);var max=parentEl.clientWidth-startPos-inner-parentPadding;if(opt_scale)max*=opt_scale;function limit(){if(el.scrollWidth>max){el.style.width=max+"px"}else{el.style.width=0;var sw=el.scrollWidth;if(sw<min){el.style.width=min+"px"}else{el.style.width=sw+"px"}}}el.addEventListener("input",limit);limit()}function toCssPx(pixels){if(!window.isFinite(pixels))console.error("Pixel value is not a number: "+pixels);return Math.round(pixels)+"px"}function swallowDoubleClick(e){var doc=e.target.ownerDocument;var counter=Math.min(1,e.detail);function swallow(e){e.stopPropagation();e.preventDefault()}function onclick(e){if(e.detail>counter){counter=e.detail;swallow(e)}else{doc.removeEventListener("dblclick",swallow,true);doc.removeEventListener("click",onclick,true)}}setTimeout(function(){doc.addEventListener("click",onclick,true);doc.addEventListener("dblclick",swallow,true)},0)}return{decorate:decorate,define:define,limitInputWidth:limitInputWidth,toCssPx:toCssPx,swallowDoubleClick:swallowDoubleClick}});
+cr.define("cr.ui", function() {
+  function decorate(source, constr) {
+    var elements;
+    if (typeof source == "string")
+      elements = cr.doc.querySelectorAll(source);
+    else
+      elements = [source];
+    for (var i = 0, el; el = elements[i]; i++) {
+      if (!(el instanceof constr))
+        constr.decorate(el)
+    }
+  }
+  function createElementHelper(tagName, opt_bag) {
+    var doc;
+    if (opt_bag && opt_bag.ownerDocument)
+      doc = opt_bag.ownerDocument;
+    else
+      doc = cr.doc;
+    return doc.createElement(tagName)
+  }
+  function define(tagNameOrFunction) {
+    var createFunction, tagName;
+    if (typeof tagNameOrFunction == "function") {
+      createFunction = tagNameOrFunction;
+      tagName = ""
+    } else {
+      createFunction = createElementHelper;
+      tagName = tagNameOrFunction
+    }
+    function f(opt_propertyBag) {
+      var el = createFunction(tagName, opt_propertyBag);
+      f.decorate(el);
+      for (var propertyName in opt_propertyBag) {
+        el[propertyName] = opt_propertyBag[propertyName]
+      }
+      return el
+    }
+    f.decorate = function(el) {
+      el.__proto__ = f.prototype;
+      el.decorate()
+    };
+    return f
+  }
+  function limitInputWidth(el, parentEl, min, opt_scale) {
+    el.style.width = "10px";
+    var doc = el.ownerDocument;
+    var win = doc.defaultView;
+    var computedStyle = win.getComputedStyle(el);
+    var parentComputedStyle = win.getComputedStyle(parentEl);
+    var rtl = computedStyle.direction == "rtl";
+    var inputRect = el.getBoundingClientRect();
+    var parentRect = parentEl.getBoundingClientRect();
+    var startPos = rtl ? parentRect.right - inputRect.right :
+                         inputRect.left - parentRect.left;
+    var inner = parseInt(computedStyle.borderLeftWidth, 10) +
+        parseInt(computedStyle.paddingLeft, 10) +
+        parseInt(computedStyle.paddingRight, 10) +
+        parseInt(computedStyle.borderRightWidth, 10);
+    var parentPadding = rtl ? parseInt(parentComputedStyle.paddingLeft, 10) :
+                              parseInt(parentComputedStyle.paddingRight, 10);
+    var max = parentEl.clientWidth - startPos - inner - parentPadding;
+    if (opt_scale)
+      max *= opt_scale;
+    function limit() {
+      if (el.scrollWidth > max) {
+        el.style.width = max + "px"
+      } else {
+        el.style.width = 0;
+        var sw = el.scrollWidth;
+        if (sw < min) {
+          el.style.width = min + "px"
+        } else {
+          el.style.width = sw + "px"
+        }
+      }
+    }
+    el.addEventListener("input", limit);
+    limit()
+  }
+  function toCssPx(pixels) {
+    if (!window.isFinite(pixels))
+      console.error("Pixel value is not a number: " + pixels);
+    return Math.round(pixels) + "px"
+  }
+  function swallowDoubleClick(e) {
+    var doc = e.target.ownerDocument;
+    var counter = Math.min(1, e.detail);
+    function swallow(e) {
+      e.stopPropagation();
+      e.preventDefault()
+    }
+    function onclick(e) {
+      if (e.detail > counter) {
+        counter = e.detail;
+        swallow(e)
+      } else {
+        doc.removeEventListener("dblclick", swallow, true);
+        doc.removeEventListener("click", onclick, true)
+      }
+    }
+    setTimeout(function() {
+      doc.addEventListener("click", onclick, true);
+      doc.addEventListener("dblclick", swallow, true)
+    }, 0)
+  }
+  return {
+    decorate: decorate, define: define, limitInputWidth: limitInputWidth,
+        toCssPx: toCssPx, swallowDoubleClick: swallowDoubleClick
+  }
+});
 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
-cr.define("cr.ui",function(){function KeyboardShortcut(shortcut){var mods={};var ident="";shortcut.split("|").forEach(function(part){var partLc=part.toLowerCase();switch(partLc){case"alt":case"ctrl":case"meta":case"shift":mods[partLc+"Key"]=true;break;default:if(ident)throw Error("Invalid shortcut");ident=part}});this.ident_=ident;this.mods_=mods}KeyboardShortcut.prototype={matchesEvent:function(e){if(e.key==this.ident_){var mods=this.mods_;return["altKey","ctrlKey","metaKey","shiftKey"].every(function(k){return e[k]==!!mods[k]})}return false}};var Command=cr.ui.define("command");Command.prototype={__proto__:HTMLElement.prototype,decorate:function(){CommandManager.init(assert(this.ownerDocument));if(this.hasAttribute("shortcut"))this.shortcut=this.getAttribute("shortcut")},execute:function(opt_element){if(this.disabled)return;var doc=this.ownerDocument;if(doc.activeElement){var e=new Event("command",{bubbles:true});e.command=this;(opt_element||doc.activeElement).dispatchEvent(e)}},canExecuteChange:function(opt_node){dispatchCanExecuteEvent(this,opt_node||this.ownerDocument.activeElement)},shortcut_:"",get shortcut(){return this.shortcut_},set shortcut(shortcut){var oldShortcut=this.shortcut_;if(shortcut!==oldShortcut){this.keyboardShortcuts_=shortcut.split(/\s+/).map(function(shortcut){return new KeyboardShortcut(shortcut)});this.shortcut_=shortcut;cr.dispatchPropertyChange(this,"shortcut",this.shortcut_,oldShortcut)}},matchesEvent:function(e){if(!this.keyboardShortcuts_)return false;return this.keyboardShortcuts_.some(function(keyboardShortcut){return keyboardShortcut.matchesEvent(e)})}};cr.defineProperty(Command,"label",cr.PropertyKind.ATTR);cr.defineProperty(Command,"disabled",cr.PropertyKind.BOOL_ATTR);cr.defineProperty(Command,"hidden",cr.PropertyKind.BOOL_ATTR);cr.defineProperty(Command,"checked",cr.PropertyKind.BOOL_ATTR);cr.defineProperty(Command,"hideShortcutText",cr.PropertyKind.BOOL_ATTR);function dispatchCanExecuteEvent(command,target){var e=new CanExecuteEvent(command);target.dispatchEvent(e);command.disabled=!e.canExecute}var commandManagers={};function CommandManager(doc){doc.addEventListener("focus",this.handleFocus_.bind(this),true);doc.addEventListener("keydown",this.handleKeyDown_.bind(this),false)}CommandManager.init=function(doc){var uid=cr.getUid(doc);if(!(uid in commandManagers)){commandManagers[uid]=new CommandManager(doc)}};CommandManager.prototype={handleFocus_:function(e){var target=e.target;if(target.menu||target.command)return;var commands=Array.prototype.slice.call(target.ownerDocument.querySelectorAll("command"));commands.forEach(function(command){dispatchCanExecuteEvent(command,target)})},handleKeyDown_:function(e){var target=e.target;var commands=Array.prototype.slice.call(target.ownerDocument.querySelectorAll("command"));for(var i=0,command;command=commands[i];i++){if(command.matchesEvent(e)){command.canExecuteChange();if(!command.disabled){e.preventDefault();e.stopPropagation();command.execute();return}}}}};function CanExecuteEvent(command){var e=new Event("canExecute",{bubbles:true,cancelable:true});e.__proto__=CanExecuteEvent.prototype;e.command=command;return e}CanExecuteEvent.prototype={__proto__:Event.prototype,command:null,canExecute_:false,get canExecute(){return this.canExecute_},set canExecute(canExecute){this.canExecute_=!!canExecute;this.stopPropagation();this.preventDefault()}};return{Command:Command,CanExecuteEvent:CanExecuteEvent}});Polymer({is:"iron-media-query",properties:{queryMatches:{type:Boolean,value:false,readOnly:true,notify:true},query:{type:String,observer:"queryChanged"},full:{type:Boolean,value:false},_boundMQHandler:{value:function(){return this.queryHandler.bind(this)}},_mq:{value:null}},attached:function(){this.style.display="none";this.queryChanged()},detached:function(){this._remove()},_add:function(){if(this._mq){this._mq.addListener(this._boundMQHandler)}},_remove:function(){if(this._mq){this._mq.removeListener(this._boundMQHandler)}this._mq=null},queryChanged:function(){this._remove();var query=this.query;if(!query){return}if(!this.full&&query[0]!=="("){query="("+query+")"}this._mq=window.matchMedia(query);this._add();this.queryHandler(this._mq)},queryHandler:function(mq){this._setQueryMatches(mq.matches)}});Polymer.IronResizableBehavior={properties:{_parentResizable:{type:Object,observer:"_parentResizableChanged"},_notifyingDescendant:{type:Boolean,value:false}},listeners:{"iron-request-resize-notifications":"_onIronRequestResizeNotifications"},created:function(){this._interestedResizables=[];this._boundNotifyResize=this.notifyResize.bind(this)},attached:function(){this.fire("iron-request-resize-notifications",null,{node:this,bubbles:true,cancelable:true});if(!this._parentResizable){window.addEventListener("resize",this._boundNotifyResize);this.notifyResize()}},detached:function(){if(this._parentResizable){this._parentResizable.stopResizeNotificationsFor(this)}else{window.removeEventListener("resize",this._boundNotifyResize)}this._parentResizable=null},notifyResize:function(){if(!this.isAttached){return}this._interestedResizables.forEach(function(resizable){if(this.resizerShouldNotify(resizable)){this._notifyDescendant(resizable)}},this);this._fireResize()},assignParentResizable:function(parentResizable){this._parentResizable=parentResizable},stopResizeNotificationsFor:function(target){var index=this._interestedResizables.indexOf(target);if(index>-1){this._interestedResizables.splice(index,1);this.unlisten(target,"iron-resize","_onDescendantIronResize")}},resizerShouldNotify:function(element){return true},_onDescendantIronResize:function(event){if(this._notifyingDescendant){event.stopPropagation();return}if(!Polymer.Settings.useShadow){this._fireResize()}},_fireResize:function(){this.fire("iron-resize",null,{node:this,bubbles:false})},_onIronRequestResizeNotifications:function(event){var target=event.path?event.path[0]:event.target;if(target===this){return}if(this._interestedResizables.indexOf(target)===-1){this._interestedResizables.push(target);this.listen(target,"iron-resize","_onDescendantIronResize")}target.assignParentResizable(this);this._notifyDescendant(target);event.stopPropagation()},_parentResizableChanged:function(parentResizable){if(parentResizable){window.removeEventListener("resize",this._boundNotifyResize)}},_notifyDescendant:function(descendant){if(!this.isAttached){return}this._notifyingDescendant=true;descendant.notifyResize();this._notifyingDescendant=false}};Polymer.IronSelection=function(selectCallback){this.selection=[];this.selectCallback=selectCallback};Polymer.IronSelection.prototype={get:function(){return this.multi?this.selection.slice():this.selection[0]},clear:function(excludes){this.selection.slice().forEach(function(item){if(!excludes||excludes.indexOf(item)<0){this.setItemSelected(item,false)}},this)},isSelected:function(item){return this.selection.indexOf(item)>=0},setItemSelected:function(item,isSelected){if(item!=null){if(isSelected!==this.isSelected(item)){if(isSelected){this.selection.push(item)}else{var i=this.selection.indexOf(item);if(i>=0){this.selection.splice(i,1)}}if(this.selectCallback){this.selectCallback(item,isSelected)}}}},select:function(item){if(this.multi){this.toggle(item)}else if(this.get()!==item){this.setItemSelected(this.get(),false);this.setItemSelected(item,true)}},toggle:function(item){this.setItemSelected(item,!this.isSelected(item))}};Polymer.IronSelectableBehavior={properties:{attrForSelected:{type:String,value:null},selected:{type:String,notify:true},selectedItem:{type:Object,readOnly:true,notify:true},activateEvent:{type:String,value:"tap",observer:"_activateEventChanged"},selectable:String,selectedClass:{type:String,value:"iron-selected"},selectedAttribute:{type:String,value:null},fallbackSelection:{type:String,value:null},items:{type:Array,readOnly:true,notify:true,value:function(){return[]}},_excludedLocalNames:{type:Object,value:function(){return{template:1}}}},observers:["_updateAttrForSelected(attrForSelected)","_updateSelected(selected)","_checkFallback(fallbackSelection)"],created:function(){this._bindFilterItem=this._filterItem.bind(this);this._selection=new Polymer.IronSelection(this._applySelection.bind(this))},attached:function(){this._observer=this._observeItems(this);this._updateItems();if(!this._shouldUpdateSelection){this._updateSelected()}this._addListener(this.activateEvent)},detached:function(){if(this._observer){Polymer.dom(this).unobserveNodes(this._observer)}this._removeListener(this.activateEvent)},indexOf:function(item){return this.items.indexOf(item)},select:function(value){this.selected=value},selectPrevious:function(){var length=this.items.length;var index=(Number(this._valueToIndex(this.selected))-1+length)%length;this.selected=this._indexToValue(index)},selectNext:function(){var index=(Number(this._valueToIndex(this.selected))+1)%this.items.length;this.selected=this._indexToValue(index)},selectIndex:function(index){this.select(this._indexToValue(index))},forceSynchronousItemUpdate:function(){this._updateItems()},get _shouldUpdateSelection(){return this.selected!=null},_checkFallback:function(){if(this._shouldUpdateSelection){this._updateSelected()}},_addListener:function(eventName){this.listen(this,eventName,"_activateHandler")},_removeListener:function(eventName){this.unlisten(this,eventName,"_activateHandler")},_activateEventChanged:function(eventName,old){this._removeListener(old);this._addListener(eventName)},_updateItems:function(){var nodes=Polymer.dom(this).queryDistributedElements(this.selectable||"*");nodes=Array.prototype.filter.call(nodes,this._bindFilterItem);this._setItems(nodes)},_updateAttrForSelected:function(){if(this._shouldUpdateSelection){this.selected=this._indexToValue(this.indexOf(this.selectedItem))}},_updateSelected:function(){this._selectSelected(this.selected)},_selectSelected:function(selected){this._selection.select(this._valueToItem(this.selected));if(this.fallbackSelection&&this.items.length&&this._selection.get()===undefined){this.selected=this.fallbackSelection}},_filterItem:function(node){return!this._excludedLocalNames[node.localName]},_valueToItem:function(value){return value==null?null:this.items[this._valueToIndex(value)]},_valueToIndex:function(value){if(this.attrForSelected){for(var i=0,item;item=this.items[i];i++){if(this._valueForItem(item)==value){return i}}}else{return Number(value)}},_indexToValue:function(index){if(this.attrForSelected){var item=this.items[index];if(item){return this._valueForItem(item)}}else{return index}},_valueForItem:function(item){var propValue=item[Polymer.CaseMap.dashToCamelCase(this.attrForSelected)];return propValue!=undefined?propValue:item.getAttribute(this.attrForSelected)},_applySelection:function(item,isSelected){if(this.selectedClass){this.toggleClass(this.selectedClass,isSelected,item)}if(this.selectedAttribute){this.toggleAttribute(this.selectedAttribute,isSelected,item)}this._selectionChange();this.fire("iron-"+(isSelected?"select":"deselect"),{item:item})},_selectionChange:function(){this._setSelectedItem(this._selection.get())},_observeItems:function(node){return Polymer.dom(node).observeNodes(function(mutation){this._updateItems();if(this._shouldUpdateSelection){this._updateSelected()}this.fire("iron-items-changed",mutation,{bubbles:false,cancelable:false})})},_activateHandler:function(e){var t=e.target;var items=this.items;while(t&&t!=this){var i=items.indexOf(t);if(i>=0){var value=this._indexToValue(i);this._itemActivate(value,t);return}t=t.parentNode}},_itemActivate:function(value,item){if(!this.fire("iron-activate",{selected:value,item:item},{cancelable:true}).defaultPrevented){this.select(value)}}};Polymer({is:"iron-pages",behaviors:[Polymer.IronResizableBehavior,Polymer.IronSelectableBehavior],properties:{activateEvent:{type:String,value:null}},observers:["_selectedPageChanged(selected)"],_selectedPageChanged:function(selected,old){this.async(this.notifyResize)}});Polymer.IronScrollTargetBehavior={properties:{scrollTarget:{type:HTMLElement,value:function(){return this._defaultScrollTarget}}},observers:["_scrollTargetChanged(scrollTarget, isAttached)"],_shouldHaveListener:true,_scrollTargetChanged:function(scrollTarget,isAttached){var eventTarget;if(this._oldScrollTarget){this._toggleScrollListener(false,this._oldScrollTarget);this._oldScrollTarget=null}if(!isAttached){return}if(scrollTarget==="document"){this.scrollTarget=this._doc}else if(typeof scrollTarget==="string"){this.scrollTarget=this.domHost?this.domHost.$[scrollTarget]:Polymer.dom(this.ownerDocument).querySelector("#"+scrollTarget)}else if(this._isValidScrollTarget()){this._boundScrollHandler=this._boundScrollHandler||this._scrollHandler.bind(this);this._oldScrollTarget=scrollTarget;this._toggleScrollListener(this._shouldHaveListener,scrollTarget)}},_scrollHandler:function scrollHandler(){},get _defaultScrollTarget(){return this._doc},get _doc(){return this.ownerDocument.documentElement},get _scrollTop(){if(this._isValidScrollTarget()){return this.scrollTarget===this._doc?window.pageYOffset:this.scrollTarget.scrollTop}return 0},get _scrollLeft(){if(this._isValidScrollTarget()){return this.scrollTarget===this._doc?window.pageXOffset:this.scrollTarget.scrollLeft}return 0},set _scrollTop(top){if(this.scrollTarget===this._doc){window.scrollTo(window.pageXOffset,top)}else if(this._isValidScrollTarget()){this.scrollTarget.scrollTop=top}},set _scrollLeft(left){if(this.scrollTarget===this._doc){window.scrollTo(left,window.pageYOffset)}else if(this._isValidScrollTarget()){this.scrollTarget.scrollLeft=left}},scroll:function(left,top){if(this.scrollTarget===this._doc){window.scrollTo(left,top)}else if(this._isValidScrollTarget()){this.scrollTarget.scrollLeft=left;this.scrollTarget.scrollTop=top}},get _scrollTargetWidth(){if(this._isValidScrollTarget()){return this.scrollTarget===this._doc?window.innerWidth:this.scrollTarget.offsetWidth}return 0},get _scrollTargetHeight(){if(this._isValidScrollTarget()){return this.scrollTarget===this._doc?window.innerHeight:this.scrollTarget.offsetHeight}return 0},_isValidScrollTarget:function(){return this.scrollTarget instanceof HTMLElement},_toggleScrollListener:function(yes,scrollTarget){if(!this._boundScrollHandler){return}var eventTarget=scrollTarget===this._doc?window:scrollTarget;if(yes){eventTarget.addEventListener("scroll",this._boundScrollHandler)}else{eventTarget.removeEventListener("scroll",this._boundScrollHandler)}},toggleScrollListener:function(yes){this._shouldHaveListener=yes;this._toggleScrollListener(yes,this.scrollTarget)}};(function(){var metaDatas={};var metaArrays={};var singleton=null;Polymer.IronMeta=Polymer({is:"iron-meta",properties:{type:{type:String,value:"default",observer:"_typeChanged"},key:{type:String,observer:"_keyChanged"},value:{type:Object,notify:true,observer:"_valueChanged"},self:{type:Boolean,observer:"_selfChanged"},list:{type:Array,notify:true}},hostAttributes:{hidden:true},factoryImpl:function(config){if(config){for(var n in config){switch(n){case"type":case"key":case"value":this[n]=config[n];break}}}},created:function(){this._metaDatas=metaDatas;this._metaArrays=metaArrays},_keyChanged:function(key,old){this._resetRegistration(old)},_valueChanged:function(value){this._resetRegistration(this.key)},_selfChanged:function(self){if(self){this.value=this}},_typeChanged:function(type){this._unregisterKey(this.key);if(!metaDatas[type]){metaDatas[type]={}}this._metaData=metaDatas[type];if(!metaArrays[type]){metaArrays[type]=[]}this.list=metaArrays[type];this._registerKeyValue(this.key,this.value)},byKey:function(key){return this._metaData&&this._metaData[key]},_resetRegistration:function(oldKey){this._unregisterKey(oldKey);this._registerKeyValue(this.key,this.value)},_unregisterKey:function(key){this._unregister(key,this._metaData,this.list)},_registerKeyValue:function(key,value){this._register(key,value,this._metaData,this.list)},_register:function(key,value,data,list){if(key&&data&&value!==undefined){data[key]=value;list.push(value)}},_unregister:function(key,data,list){if(key&&data){if(key in data){var value=data[key];delete data[key];this.arrayDelete(list,value)}}}});Polymer.IronMeta.getIronMeta=function getIronMeta(){if(singleton===null){singleton=new Polymer.IronMeta}return singleton};Polymer.IronMetaQuery=Polymer({is:"iron-meta-query",properties:{type:{type:String,value:"default",observer:"_typeChanged"},key:{type:String,observer:"_keyChanged"},value:{type:Object,notify:true,readOnly:true},list:{type:Array,notify:true}},factoryImpl:function(config){if(config){for(var n in config){switch(n){case"type":case"key":this[n]=config[n];break}}}},created:function(){this._metaDatas=metaDatas;this._metaArrays=metaArrays},_keyChanged:function(key){this._setValue(this._metaData&&this._metaData[key])},_typeChanged:function(type){this._metaData=metaDatas[type];this.list=metaArrays[type];if(this.key){this._keyChanged(this.key)}},byKey:function(key){return this._metaData&&this._metaData[key]}})})();Polymer({is:"iron-icon",properties:{icon:{type:String,observer:"_iconChanged"},theme:{type:String,observer:"_updateIcon"},src:{type:String,observer:"_srcChanged"},_meta:{value:Polymer.Base.create("iron-meta",{type:"iconset"}),observer:"_updateIcon"}},_DEFAULT_ICONSET:"icons",_iconChanged:function(icon){var parts=(icon||"").split(":");this._iconName=parts.pop();this._iconsetName=parts.pop()||this._DEFAULT_ICONSET;this._updateIcon()},_srcChanged:function(src){this._updateIcon()},_usesIconset:function(){return this.icon||!this.src},_updateIcon:function(){if(this._usesIconset()){if(this._img&&this._img.parentNode){Polymer.dom(this.root).removeChild(this._img)}if(this._iconName===""){if(this._iconset){this._iconset.removeIcon(this)}}else if(this._iconsetName&&this._meta){this._iconset=this._meta.byKey(this._iconsetName);if(this._iconset){this._iconset.applyIcon(this,this._iconName,this.theme);this.unlisten(window,"iron-iconset-added","_updateIcon")}else{this.listen(window,"iron-iconset-added","_updateIcon")}}}else{if(this._iconset){this._iconset.removeIcon(this)}if(!this._img){this._img=document.createElement("img");this._img.style.width="100%";this._img.style.height="100%";this._img.draggable=false}this._img.src=this.src;Polymer.dom(this.root).appendChild(this._img)}}});Polymer({is:"iron-iconset-svg",properties:{name:{type:String,observer:"_nameChanged"},size:{type:Number,value:24},rtlMirroring:{type:Boolean,value:false}},_targetIsRTL:function(target){if(target&&target.nodeType!==Node.ELEMENT_NODE){target=target.host}return target&&window.getComputedStyle(target)["direction"]==="rtl"},attached:function(){this.style.display="none"},getIconNames:function(){this._icons=this._createIconMap();return Object.keys(this._icons).map(function(n){return this.name+":"+n},this)},applyIcon:function(element,iconName){element=element.root||element;this.removeIcon(element);var svg=this._cloneIcon(iconName,this.rtlMirroring&&this._targetIsRTL(element));if(svg){var pde=Polymer.dom(element);pde.insertBefore(svg,pde.childNodes[0]);return element._svgIcon=svg}return null},removeIcon:function(element){element=element.root||element;if(element._svgIcon){Polymer.dom(element).removeChild(element._svgIcon);element._svgIcon=null}},_nameChanged:function(){new Polymer.IronMeta({type:"iconset",key:this.name,value:this});this.async(function(){this.fire("iron-iconset-added",this,{node:window})})},_createIconMap:function(){var icons=Object.create(null);Polymer.dom(this).querySelectorAll("[id]").forEach(function(icon){icons[icon.id]=icon});return icons},_cloneIcon:function(id,mirrorAllowed){this._icons=this._icons||this._createIconMap();return this._prepareSvgClone(this._icons[id],this.size,mirrorAllowed)},_prepareSvgClone:function(sourceSvg,size,mirrorAllowed){if(sourceSvg){var content=sourceSvg.cloneNode(true),svg=document.createElementNS("http://www.w3.org/2000/svg","svg"),viewBox=content.getAttribute("viewBox")||"0 0 "+size+" "+size,cssText="pointer-events: none; display: block; width: 100%; height: 100%;";if(mirrorAllowed&&content.hasAttribute("mirror-in-rtl")){cssText+="-webkit-transform:scale(-1,1);transform:scale(-1,1);"}svg.setAttribute("viewBox",viewBox);svg.setAttribute("preserveAspectRatio","xMidYMid meet");svg.style.cssText=cssText;svg.appendChild(content).removeAttribute("id");return svg}return null}});
+cr.define("cr.ui", function() {
+  function KeyboardShortcut(shortcut) {
+    var mods = {};
+    var ident = "";
+    shortcut.split("|").forEach(function(part) {
+      var partLc = part.toLowerCase();
+      switch (partLc) {
+        case "alt":
+        case "ctrl":
+        case "meta":
+        case "shift":
+          mods[partLc + "Key"] = true;
+          break;
+        default:
+          if (ident)
+            throw Error("Invalid shortcut");
+          ident = part
+      }
+    });
+    this.ident_ = ident;
+    this.mods_ = mods
+  }
+  KeyboardShortcut.prototype = {
+    matchesEvent: function(e) {
+      if (e.key == this.ident_) {
+        var mods = this.mods_;
+        return ["altKey", "ctrlKey", "metaKey", "shiftKey"].every(function(k) {
+          return e[k] == !!mods[k]
+        })
+      }
+      return false
+    }
+  };
+  var Command = cr.ui.define("command");
+  Command.prototype = {
+    __proto__: HTMLElement.prototype,
+    decorate: function() {
+      CommandManager.init(assert(this.ownerDocument));
+      if (this.hasAttribute("shortcut"))
+        this.shortcut = this.getAttribute("shortcut")
+    },
+    execute: function(opt_element) {
+      if (this.disabled)
+        return;
+      var doc = this.ownerDocument;
+      if (doc.activeElement) {
+        var e = new Event("command", {bubbles: true});
+        e.command = this;
+        (opt_element || doc.activeElement).dispatchEvent(e)
+      }
+    },
+    canExecuteChange: function(opt_node) {
+      dispatchCanExecuteEvent(
+          this, opt_node || this.ownerDocument.activeElement)
+    },
+    shortcut_: "",
+    get shortcut() {
+      return this.shortcut_
+    },
+    set shortcut(shortcut) {
+      var oldShortcut = this.shortcut_;
+      if (shortcut !== oldShortcut) {
+        this.keyboardShortcuts_ = shortcut.split(/\s+/).map(function(shortcut) {
+          return new KeyboardShortcut(shortcut)
+        });
+        this.shortcut_ = shortcut;
+        cr.dispatchPropertyChange(this, "shortcut", this.shortcut_, oldShortcut)
+      }
+    },
+    matchesEvent: function(e) {
+      if (!this.keyboardShortcuts_)
+        return false;
+      return this.keyboardShortcuts_.some(function(keyboardShortcut) {
+        return keyboardShortcut.matchesEvent(e)
+      })
+    }
+  };
+  cr.defineProperty(Command, "label", cr.PropertyKind.ATTR);
+  cr.defineProperty(Command, "disabled", cr.PropertyKind.BOOL_ATTR);
+  cr.defineProperty(Command, "hidden", cr.PropertyKind.BOOL_ATTR);
+  cr.defineProperty(Command, "checked", cr.PropertyKind.BOOL_ATTR);
+  cr.defineProperty(Command, "hideShortcutText", cr.PropertyKind.BOOL_ATTR);
+  function dispatchCanExecuteEvent(command, target) {
+    var e = new CanExecuteEvent(command);
+    target.dispatchEvent(e);
+    command.disabled = !e.canExecute
+  }
+  var commandManagers = {};
+  function CommandManager(doc) {
+    doc.addEventListener("focus", this.handleFocus_.bind(this), true);
+    doc.addEventListener("keydown", this.handleKeyDown_.bind(this), false)
+  }
+  CommandManager.init = function(doc) {
+    var uid = cr.getUid(doc);
+    if (!(uid in commandManagers)) {
+      commandManagers[uid] = new CommandManager(doc)
+    }
+  };
+  CommandManager.prototype = {
+    handleFocus_: function(e) {
+      var target = e.target;
+      if (target.menu || target.command)
+        return;
+      var commands = Array.prototype.slice.call(
+          target.ownerDocument.querySelectorAll("command"));
+      commands.forEach(function(command) {
+        dispatchCanExecuteEvent(command, target)
+      })
+    },
+    handleKeyDown_: function(e) {
+      var target = e.target;
+      var commands = Array.prototype.slice.call(
+          target.ownerDocument.querySelectorAll("command"));
+      for (var i = 0, command; command = commands[i]; i++) {
+        if (command.matchesEvent(e)) {
+          command.canExecuteChange();
+          if (!command.disabled) {
+            e.preventDefault();
+            e.stopPropagation();
+            command.execute();
+            return
+          }
+        }
+      }
+    }
+  };
+  function CanExecuteEvent(command) {
+    var e = new Event("canExecute", {bubbles: true, cancelable: true});
+    e.__proto__ = CanExecuteEvent.prototype;
+    e.command = command;
+    return e
+  }
+  CanExecuteEvent.prototype = {
+    __proto__: Event.prototype,
+    command: null,
+    canExecute_: false,
+    get canExecute() {
+      return this.canExecute_
+    },
+    set canExecute(canExecute) {
+      this.canExecute_ = !!canExecute;
+      this.stopPropagation();
+      this.preventDefault()
+    }
+  };
+  return {
+    Command: Command, CanExecuteEvent: CanExecuteEvent
+  }
+});
+Polymer({
+  is: "iron-media-query",
+  properties: {
+    queryMatches: {type: Boolean, value: false, readOnly: true, notify: true},
+    query: {type: String, observer: "queryChanged"},
+    full: {type: Boolean, value: false},
+    _boundMQHandler: {
+      value: function() {
+        return this.queryHandler.bind(this)
+      }
+    },
+    _mq: {value: null}
+  },
+  attached: function() {
+    this.style.display = "none";
+    this.queryChanged()
+  },
+  detached: function() {
+    this._remove()
+  },
+  _add: function() {
+    if (this._mq) {
+      this._mq.addListener(this._boundMQHandler)
+    }
+  },
+  _remove: function() {
+    if (this._mq) {
+      this._mq.removeListener(this._boundMQHandler)
+    }
+    this._mq = null
+  },
+  queryChanged: function() {
+    this._remove();
+    var query = this.query;
+    if (!query) {
+      return
+    }
+    if (!this.full && query[0] !== "(") {
+      query = "(" + query + ")"
+    }
+    this._mq = window.matchMedia(query);
+    this._add();
+    this.queryHandler(this._mq)
+  },
+  queryHandler: function(mq) {
+    this._setQueryMatches(mq.matches)
+  }
+});
+Polymer.IronResizableBehavior = {
+  properties: {
+    _parentResizable: {type: Object, observer: "_parentResizableChanged"},
+    _notifyingDescendant: {type: Boolean, value: false}
+  },
+  listeners: {
+    "iron-request-resize-notifications": "_onIronRequestResizeNotifications"
+  },
+  created: function() {
+    this._interestedResizables = [];
+    this._boundNotifyResize = this.notifyResize.bind(this)
+  },
+  attached: function() {
+    this.fire(
+        "iron-request-resize-notifications", null,
+        {node: this, bubbles: true, cancelable: true});
+    if (!this._parentResizable) {
+      window.addEventListener("resize", this._boundNotifyResize);
+      this.notifyResize()
+    }
+  },
+  detached: function() {
+    if (this._parentResizable) {
+      this._parentResizable.stopResizeNotificationsFor(this)
+    } else {
+      window.removeEventListener("resize", this._boundNotifyResize)
+    }
+    this._parentResizable = null
+  },
+  notifyResize: function() {
+    if (!this.isAttached) {
+      return
+    }
+    this._interestedResizables.forEach(function(resizable) {
+      if (this.resizerShouldNotify(resizable)) {
+        this._notifyDescendant(resizable)
+      }
+    }, this);
+    this._fireResize()
+  },
+  assignParentResizable: function(parentResizable) {
+    this._parentResizable = parentResizable
+  },
+  stopResizeNotificationsFor: function(target) {
+    var index = this._interestedResizables.indexOf(target);
+    if (index > -1) {
+      this._interestedResizables.splice(index, 1);
+      this.unlisten(target, "iron-resize", "_onDescendantIronResize")
+    }
+  },
+  resizerShouldNotify: function(element) {
+    return true
+  },
+  _onDescendantIronResize: function(event) {
+    if (this._notifyingDescendant) {
+      event.stopPropagation();
+      return
+    }
+    if (!Polymer.Settings.useShadow) {
+      this._fireResize()
+    }
+  },
+  _fireResize: function() {
+    this.fire("iron-resize", null, {node: this, bubbles: false})
+  },
+  _onIronRequestResizeNotifications: function(event) {
+    var target = event.path ? event.path[0] : event.target;
+    if (target === this) {
+      return
+    }
+    if (this._interestedResizables.indexOf(target) === -1) {
+      this._interestedResizables.push(target);
+      this.listen(target, "iron-resize", "_onDescendantIronResize")
+    }
+    target.assignParentResizable(this);
+    this._notifyDescendant(target);
+    event.stopPropagation()
+  },
+  _parentResizableChanged: function(parentResizable) {
+    if (parentResizable) {
+      window.removeEventListener("resize", this._boundNotifyResize)
+    }
+  },
+  _notifyDescendant: function(descendant) {
+    if (!this.isAttached) {
+      return
+    }
+    this._notifyingDescendant = true;
+    descendant.notifyResize();
+    this._notifyingDescendant = false
+  }
+};
+Polymer.IronSelection = function(selectCallback) {
+  this.selection = [];
+  this.selectCallback = selectCallback
+};
+Polymer.IronSelection.prototype = {
+  get: function() {
+    return this.multi ? this.selection.slice() : this.selection[0]
+  },
+  clear: function(excludes) {
+    this.selection.slice().forEach(function(item) {
+      if (!excludes || excludes.indexOf(item) < 0) {
+        this.setItemSelected(item, false)
+      }
+    }, this)
+  },
+  isSelected: function(item) {
+    return this.selection.indexOf(item) >= 0
+  },
+  setItemSelected: function(item, isSelected) {
+    if (item != null) {
+      if (isSelected !== this.isSelected(item)) {
+        if (isSelected) {
+          this.selection.push(item)
+        } else {
+          var i = this.selection.indexOf(item);
+          if (i >= 0) {
+            this.selection.splice(i, 1)
+          }
+        }
+        if (this.selectCallback) {
+          this.selectCallback(item, isSelected)
+        }
+      }
+    }
+  },
+  select: function(item) {
+    if (this.multi) {
+      this.toggle(item)
+    } else if (this.get() !== item) {
+      this.setItemSelected(this.get(), false);
+      this.setItemSelected(item, true)
+    }
+  },
+  toggle: function(item) {
+    this.setItemSelected(item, !this.isSelected(item))
+  }
+};
+Polymer.IronSelectableBehavior = {
+  properties: {
+    attrForSelected: {type: String, value: null},
+    selected: {type: String, notify: true},
+    selectedItem: {type: Object, readOnly: true, notify: true},
+    activateEvent:
+        {type: String, value: "tap", observer: "_activateEventChanged"},
+    selectable: String,
+    selectedClass: {type: String, value: "iron-selected"},
+    selectedAttribute: {type: String, value: null},
+    fallbackSelection: {type: String, value: null},
+    items: {
+      type: Array,
+      readOnly: true,
+      notify: true,
+      value: function() {
+        return []
+      }
+    },
+    _excludedLocalNames: {
+      type: Object,
+      value: function() {
+        return {
+          template: 1
+        }
+      }
+    }
+  },
+  observers: [
+    "_updateAttrForSelected(attrForSelected)", "_updateSelected(selected)",
+    "_checkFallback(fallbackSelection)"
+  ],
+  created: function() {
+    this._bindFilterItem = this._filterItem.bind(this);
+    this._selection = new Polymer.IronSelection(this._applySelection.bind(this))
+  },
+  attached: function() {
+    this._observer = this._observeItems(this);
+    this._updateItems();
+    if (!this._shouldUpdateSelection) {
+      this._updateSelected()
+    }
+    this._addListener(this.activateEvent)
+  },
+  detached: function() {
+    if (this._observer) {
+      Polymer.dom(this).unobserveNodes(this._observer)
+    }
+    this._removeListener(this.activateEvent)
+  },
+  indexOf: function(item) {
+    return this.items.indexOf(item)
+  },
+  select: function(value) {
+    this.selected = value
+  },
+  selectPrevious: function() {
+    var length = this.items.length;
+    var index =
+        (Number(this._valueToIndex(this.selected)) - 1 + length) % length;
+    this.selected = this._indexToValue(index)
+  },
+  selectNext: function() {
+    var index =
+        (Number(this._valueToIndex(this.selected)) + 1) % this.items.length;
+    this.selected = this._indexToValue(index)
+  },
+  selectIndex: function(index) {
+    this.select(this._indexToValue(index))
+  },
+  forceSynchronousItemUpdate: function() {
+    this._updateItems()
+  },
+  get _shouldUpdateSelection() {
+    return this.selected != null
+  },
+  _checkFallback: function() {
+    if (this._shouldUpdateSelection) {
+      this._updateSelected()
+    }
+  },
+  _addListener: function(eventName) {
+    this.listen(this, eventName, "_activateHandler")
+  },
+  _removeListener: function(eventName) {
+    this.unlisten(this, eventName, "_activateHandler")
+  },
+  _activateEventChanged: function(eventName, old) {
+    this._removeListener(old);
+    this._addListener(eventName)
+  },
+  _updateItems: function() {
+    var nodes =
+        Polymer.dom(this).queryDistributedElements(this.selectable || "*");
+    nodes = Array.prototype.filter.call(nodes, this._bindFilterItem);
+    this._setItems(nodes)
+  },
+  _updateAttrForSelected: function() {
+    if (this._shouldUpdateSelection) {
+      this.selected = this._indexToValue(this.indexOf(this.selectedItem))
+    }
+  },
+  _updateSelected: function() {
+    this._selectSelected(this.selected)
+  },
+  _selectSelected: function(selected) {
+    this._selection.select(this._valueToItem(this.selected));
+    if (this.fallbackSelection && this.items.length &&
+        this._selection.get() === undefined) {
+      this.selected = this.fallbackSelection
+    }
+  },
+  _filterItem: function(node) {
+    return !this._excludedLocalNames[node.localName]
+  },
+  _valueToItem: function(value) {
+    return value == null ? null : this.items[this._valueToIndex(value)]
+  },
+  _valueToIndex: function(value) {
+    if (this.attrForSelected) {
+      for (var i = 0, item; item = this.items[i]; i++) {
+        if (this._valueForItem(item) == value) {
+          return i
+        }
+      }
+    } else {
+      return Number(value)
+    }
+  },
+  _indexToValue: function(index) {
+    if (this.attrForSelected) {
+      var item = this.items[index];
+      if (item) {
+        return this._valueForItem(item)
+      }
+    } else {
+      return index
+    }
+  },
+  _valueForItem: function(item) {
+    var propValue = item[Polymer.CaseMap.dashToCamelCase(this.attrForSelected)];
+    return propValue != undefined ? propValue :
+                                    item.getAttribute(this.attrForSelected)
+  },
+  _applySelection: function(item, isSelected) {
+    if (this.selectedClass) {
+      this.toggleClass(this.selectedClass, isSelected, item)
+    }
+    if (this.selectedAttribute) {
+      this.toggleAttribute(this.selectedAttribute, isSelected, item)
+    }
+    this._selectionChange();
+    this.fire("iron-" + (isSelected ? "select" : "deselect"), {item: item})
+  },
+  _selectionChange: function() {
+    this._setSelectedItem(this._selection.get())
+  },
+  _observeItems: function(node) {
+    return Polymer.dom(node).observeNodes(function(mutation) {
+      this._updateItems();
+      if (this._shouldUpdateSelection) {
+        this._updateSelected()
+      }
+      this.fire(
+          "iron-items-changed", mutation, {bubbles: false, cancelable: false})
+    })
+  },
+  _activateHandler: function(e) {
+    var t = e.target;
+    var items = this.items;
+    while (t && t != this) {
+      var i = items.indexOf(t);
+      if (i >= 0) {
+        var value = this._indexToValue(i);
+        this._itemActivate(value, t);
+        return
+      }
+      t = t.parentNode
+    }
+  },
+  _itemActivate: function(value, item) {
+    if (!this.fire(
+                 "iron-activate", {selected: value, item: item},
+                 {cancelable: true})
+             .defaultPrevented) {
+      this.select(value)
+    }
+  }
+};
+Polymer({
+  is: "iron-pages",
+  behaviors: [Polymer.IronResizableBehavior, Polymer.IronSelectableBehavior],
+  properties: {activateEvent: {type: String, value: null}},
+  observers: ["_selectedPageChanged(selected)"],
+  _selectedPageChanged: function(selected, old) {
+    this.async(this.notifyResize)
+  }
+});
+Polymer.IronScrollTargetBehavior = {
+  properties: {
+    scrollTarget: {
+      type: HTMLElement,
+      value: function() {
+        return this._defaultScrollTarget
+      }
+    }
+  },
+  observers: ["_scrollTargetChanged(scrollTarget, isAttached)"],
+  _shouldHaveListener: true,
+  _scrollTargetChanged: function(scrollTarget, isAttached) {
+    var eventTarget;
+    if (this._oldScrollTarget) {
+      this._toggleScrollListener(false, this._oldScrollTarget);
+      this._oldScrollTarget = null
+    }
+    if (!isAttached) {
+      return
+    }
+    if (scrollTarget === "document") {
+      this.scrollTarget = this._doc
+    } else if (typeof scrollTarget === "string") {
+      this.scrollTarget = this.domHost ?
+          this.domHost.$[scrollTarget] :
+          Polymer.dom(this.ownerDocument).querySelector("#" + scrollTarget)
+    } else if (this._isValidScrollTarget()) {
+      this._boundScrollHandler =
+          this._boundScrollHandler || this._scrollHandler.bind(this);
+      this._oldScrollTarget = scrollTarget;
+      this._toggleScrollListener(this._shouldHaveListener, scrollTarget)
+    }
+  },
+  _scrollHandler: function scrollHandler() {},
+  get _defaultScrollTarget() {
+    return this._doc
+  },
+  get _doc() {
+    return this.ownerDocument.documentElement
+  },
+  get _scrollTop() {
+    if (this._isValidScrollTarget()) {
+      return this.scrollTarget === this._doc ? window.pageYOffset :
+                                               this.scrollTarget.scrollTop
+    }
+    return 0
+  },
+  get _scrollLeft() {
+    if (this._isValidScrollTarget()) {
+      return this.scrollTarget === this._doc ? window.pageXOffset :
+                                               this.scrollTarget.scrollLeft
+    }
+    return 0
+  },
+  set _scrollTop(top) {
+    if (this.scrollTarget === this._doc) {
+      window.scrollTo(window.pageXOffset, top)
+    } else if (this._isValidScrollTarget()) {
+      this.scrollTarget.scrollTop = top
+    }
+  },
+  set _scrollLeft(left) {
+    if (this.scrollTarget === this._doc) {
+      window.scrollTo(left, window.pageYOffset)
+    } else if (this._isValidScrollTarget()) {
+      this.scrollTarget.scrollLeft = left
+    }
+  },
+  scroll: function(left, top) {
+    if (this.scrollTarget === this._doc) {
+      window.scrollTo(left, top)
+    } else if (this._isValidScrollTarget()) {
+      this.scrollTarget.scrollLeft = left;
+      this.scrollTarget.scrollTop = top
+    }
+  },
+  get _scrollTargetWidth() {
+    if (this._isValidScrollTarget()) {
+      return this.scrollTarget === this._doc ? window.innerWidth :
+                                               this.scrollTarget.offsetWidth
+    }
+    return 0
+  },
+  get _scrollTargetHeight() {
+    if (this._isValidScrollTarget()) {
+      return this.scrollTarget === this._doc ? window.innerHeight :
+                                               this.scrollTarget.offsetHeight
+    }
+    return 0
+  },
+  _isValidScrollTarget: function() {
+    return this.scrollTarget instanceof HTMLElement
+  },
+  _toggleScrollListener: function(yes, scrollTarget) {
+    if (!this._boundScrollHandler) {
+      return
+    }
+    var eventTarget = scrollTarget === this._doc ? window : scrollTarget;
+    if (yes) {
+      eventTarget.addEventListener("scroll", this._boundScrollHandler)
+    } else {
+      eventTarget.removeEventListener("scroll", this._boundScrollHandler)
+    }
+  },
+  toggleScrollListener: function(yes) {
+    this._shouldHaveListener = yes;
+    this._toggleScrollListener(yes, this.scrollTarget)
+  }
+};
+(function() {
+  var metaDatas = {};
+  var metaArrays = {};
+  var singleton = null;
+  Polymer.IronMeta = Polymer({
+    is: "iron-meta",
+    properties: {
+      type: {type: String, value: "default", observer: "_typeChanged"},
+      key: {type: String, observer: "_keyChanged"},
+      value: {type: Object, notify: true, observer: "_valueChanged"},
+      self: {type: Boolean, observer: "_selfChanged"},
+      list: {type: Array, notify: true}
+    },
+    hostAttributes: {hidden: true},
+    factoryImpl: function(config) {
+      if (config) {
+        for (var n in config) {
+          switch (n) {
+            case "type":
+            case "key":
+            case "value":
+              this[n] = config[n];
+              break
+          }
+        }
+      }
+    },
+    created: function() {
+      this._metaDatas = metaDatas;
+      this._metaArrays = metaArrays
+    },
+    _keyChanged: function(key, old) {
+      this._resetRegistration(old)
+    },
+    _valueChanged: function(value) {
+      this._resetRegistration(this.key)
+    },
+    _selfChanged: function(self) {
+      if (self) {
+        this.value = this
+      }
+    },
+    _typeChanged: function(type) {
+      this._unregisterKey(this.key);
+      if (!metaDatas[type]) {
+        metaDatas[type] = {}
+      }
+      this._metaData = metaDatas[type];
+      if (!metaArrays[type]) {
+        metaArrays[type] = []
+      }
+      this.list = metaArrays[type];
+      this._registerKeyValue(this.key, this.value)
+    },
+    byKey: function(key) {
+      return this._metaData && this._metaData[key]
+    },
+    _resetRegistration: function(oldKey) {
+      this._unregisterKey(oldKey);
+      this._registerKeyValue(this.key, this.value)
+    },
+    _unregisterKey: function(key) {
+      this._unregister(key, this._metaData, this.list)
+    },
+    _registerKeyValue: function(key, value) {
+      this._register(key, value, this._metaData, this.list)
+    },
+    _register: function(key, value, data, list) {
+      if (key && data && value !== undefined) {
+        data[key] = value;
+        list.push(value)
+      }
+    },
+    _unregister: function(key, data, list) {
+      if (key && data) {
+        if (key in data) {
+          var value = data[key];
+          delete data[key];
+          this.arrayDelete(list, value)
+        }
+      }
+    }
+  });
+  Polymer.IronMeta.getIronMeta = function getIronMeta() {
+    if (singleton === null) {
+      singleton = new Polymer.IronMeta
+    }
+    return singleton
+  };
+  Polymer.IronMetaQuery = Polymer({
+    is: "iron-meta-query",
+    properties: {
+      type: {type: String, value: "default", observer: "_typeChanged"},
+      key: {type: String, observer: "_keyChanged"},
+      value: {type: Object, notify: true, readOnly: true},
+      list: {type: Array, notify: true}
+    },
+    factoryImpl: function(config) {
+      if (config) {
+        for (var n in config) {
+          switch (n) {
+            case "type":
+            case "key":
+              this[n] = config[n];
+              break
+          }
+        }
+      }
+    },
+    created: function() {
+      this._metaDatas = metaDatas;
+      this._metaArrays = metaArrays
+    },
+    _keyChanged: function(key) {
+      this._setValue(this._metaData && this._metaData[key])
+    },
+    _typeChanged: function(type) {
+      this._metaData = metaDatas[type];
+      this.list = metaArrays[type];
+      if (this.key) {
+        this._keyChanged(this.key)
+      }
+    },
+    byKey: function(key) {
+      return this._metaData && this._metaData[key]
+    }
+  })
+})();
+Polymer({
+  is: "iron-icon",
+  properties: {
+    icon: {type: String, observer: "_iconChanged"},
+    theme: {type: String, observer: "_updateIcon"},
+    src: {type: String, observer: "_srcChanged"},
+    _meta: {
+      value: Polymer.Base.create("iron-meta", {type: "iconset"}),
+      observer: "_updateIcon"
+    }
+  },
+  _DEFAULT_ICONSET: "icons",
+  _iconChanged: function(icon) {
+    var parts = (icon || "").split(":");
+    this._iconName = parts.pop();
+    this._iconsetName = parts.pop() || this._DEFAULT_ICONSET;
+    this._updateIcon()
+  },
+  _srcChanged: function(src) {
+    this._updateIcon()
+  },
+  _usesIconset: function() {
+    return this.icon || !this.src
+  },
+  _updateIcon: function() {
+    if (this._usesIconset()) {
+      if (this._img && this._img.parentNode) {
+        Polymer.dom(this.root).removeChild(this._img)
+      }
+      if (this._iconName === "") {
+        if (this._iconset) {
+          this._iconset.removeIcon(this)
+        }
+      } else if (this._iconsetName && this._meta) {
+        this._iconset = this._meta.byKey(this._iconsetName);
+        if (this._iconset) {
+          this._iconset.applyIcon(this, this._iconName, this.theme);
+          this.unlisten(window, "iron-iconset-added", "_updateIcon")
+        } else {
+          this.listen(window, "iron-iconset-added", "_updateIcon")
+        }
+      }
+    } else {
+      if (this._iconset) {
+        this._iconset.removeIcon(this)
+      }
+      if (!this._img) {
+        this._img = document.createElement("img");
+        this._img.style.width = "100%";
+        this._img.style.height = "100%";
+        this._img.draggable = false
+      }
+      this._img.src = this.src;
+      Polymer.dom(this.root).appendChild(this._img)
+    }
+  }
+});
+Polymer({
+  is: "iron-iconset-svg",
+  properties: {
+    name: {type: String, observer: "_nameChanged"},
+    size: {type: Number, value: 24},
+    rtlMirroring: {type: Boolean, value: false}
+  },
+  _targetIsRTL: function(target) {
+    if (target && target.nodeType !== Node.ELEMENT_NODE) {
+      target = target.host
+    }
+    return target && window.getComputedStyle(target)["direction"] === "rtl"
+  },
+  attached: function() {
+    this.style.display = "none"
+  },
+  getIconNames: function() {
+    this._icons = this._createIconMap();
+    return Object.keys(this._icons).map(function(n) {
+      return this.name + ":" + n
+    }, this)
+  },
+  applyIcon: function(element, iconName) {
+    element = element.root || element;
+    this.removeIcon(element);
+    var svg = this._cloneIcon(
+        iconName, this.rtlMirroring && this._targetIsRTL(element));
+    if (svg) {
+      var pde = Polymer.dom(element);
+      pde.insertBefore(svg, pde.childNodes[0]);
+      return element._svgIcon = svg
+    }
+    return null
+  },
+  removeIcon: function(element) {
+    element = element.root || element;
+    if (element._svgIcon) {
+      Polymer.dom(element).removeChild(element._svgIcon);
+      element._svgIcon = null
+    }
+  },
+  _nameChanged: function() {
+    new Polymer.IronMeta({type: "iconset", key: this.name, value: this});
+    this.async(function() {
+      this.fire("iron-iconset-added", this, {node: window})
+    })
+  },
+  _createIconMap: function() {
+    var icons = Object.create(null);
+    Polymer.dom(this).querySelectorAll("[id]").forEach(function(icon) {
+      icons[icon.id] = icon
+    });
+    return icons
+  },
+  _cloneIcon: function(id, mirrorAllowed) {
+    this._icons = this._icons || this._createIconMap();
+    return this._prepareSvgClone(this._icons[id], this.size, mirrorAllowed)
+  },
+  _prepareSvgClone: function(sourceSvg, size, mirrorAllowed) {
+    if (sourceSvg) {
+      var content = sourceSvg.cloneNode(true),
+          svg = document.createElementNS("http://www.w3.org/2000/svg", "svg"),
+          viewBox =
+              content.getAttribute("viewBox") || "0 0 " + size + " " + size,
+          cssText =
+              "pointer-events: none; display: block; width: 100%; height: 100%;";
+      if (mirrorAllowed && content.hasAttribute("mirror-in-rtl")) {
+        cssText += "-webkit-transform:scale(-1,1);transform:scale(-1,1);"
+      }
+      svg.setAttribute("viewBox", viewBox);
+      svg.setAttribute("preserveAspectRatio", "xMidYMid meet");
+      svg.style.cssText = cssText;
+      svg.appendChild(content).removeAttribute("id");
+      return svg
+    }
+    return null
+  }
+});
 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
-Polymer({is:"cr-lazy-render","extends":"template",behaviors:[Polymer.Templatizer],child_:null,get:function(){if(!this.child_)this.render_();return this.child_},getIfExists:function(){return this.child_},render_:function(){if(!this.ctor)this.templatize(this);var parentNode=this.parentNode;if(parentNode&&!this.child_){var instance=this.stamp({});this.child_=instance.root.firstElementChild;parentNode.insertBefore(instance.root,this)}},_forwardParentProp:function(prop,value){if(this.child_)this.child_._templateInstance[prop]=value},_forwardParentPath:function(path,value){if(this.child_)this.child_._templateInstance.notifyPath(path,value,true)}});(function(){"use strict";var KEY_IDENTIFIER={"U+0008":"backspace","U+0009":"tab","U+001B":"esc","U+0020":"space","U+007F":"del"};var KEY_CODE={8:"backspace",9:"tab",13:"enter",27:"esc",33:"pageup",34:"pagedown",35:"end",36:"home",32:"space",37:"left",38:"up",39:"right",40:"down",46:"del",106:"*"};var MODIFIER_KEYS={shift:"shiftKey",ctrl:"ctrlKey",alt:"altKey",meta:"metaKey"};var KEY_CHAR=/[a-z0-9*]/;var IDENT_CHAR=/U\+/;var ARROW_KEY=/^arrow/;var SPACE_KEY=/^space(bar)?/;var ESC_KEY=/^escape$/;function transformKey(key,noSpecialChars){var validKey="";if(key){var lKey=key.toLowerCase();if(lKey===" "||SPACE_KEY.test(lKey)){validKey="space"}else if(ESC_KEY.test(lKey)){validKey="esc"}else if(lKey.length==1){if(!noSpecialChars||KEY_CHAR.test(lKey)){validKey=lKey}}else if(ARROW_KEY.test(lKey)){validKey=lKey.replace("arrow","")}else if(lKey=="multiply"){validKey="*"}else{validKey=lKey}}return validKey}function transformKeyIdentifier(keyIdent){var validKey="";if(keyIdent){if(keyIdent in KEY_IDENTIFIER){validKey=KEY_IDENTIFIER[keyIdent]}else if(IDENT_CHAR.test(keyIdent)){keyIdent=parseInt(keyIdent.replace("U+","0x"),16);validKey=String.fromCharCode(keyIdent).toLowerCase()}else{validKey=keyIdent.toLowerCase()}}return validKey}function transformKeyCode(keyCode){var validKey="";if(Number(keyCode)){if(keyCode>=65&&keyCode<=90){validKey=String.fromCharCode(32+keyCode)}else if(keyCode>=112&&keyCode<=123){validKey="f"+(keyCode-112)}else if(keyCode>=48&&keyCode<=57){validKey=String(keyCode-48)}else if(keyCode>=96&&keyCode<=105){validKey=String(keyCode-96)}else{validKey=KEY_CODE[keyCode]}}return validKey}function normalizedKeyForEvent(keyEvent,noSpecialChars){if(keyEvent.key){return transformKey(keyEvent.key,noSpecialChars)}if(keyEvent.detail&&keyEvent.detail.key){return transformKey(keyEvent.detail.key,noSpecialChars)}return transformKeyIdentifier(keyEvent.keyIdentifier)||transformKeyCode(keyEvent.keyCode)||""}function keyComboMatchesEvent(keyCombo,event){var keyEvent=normalizedKeyForEvent(event,keyCombo.hasModifiers);return keyEvent===keyCombo.key&&(!keyCombo.hasModifiers||!!event.shiftKey===!!keyCombo.shiftKey&&!!event.ctrlKey===!!keyCombo.ctrlKey&&!!event.altKey===!!keyCombo.altKey&&!!event.metaKey===!!keyCombo.metaKey)}function parseKeyComboString(keyComboString){if(keyComboString.length===1){return{combo:keyComboString,key:keyComboString,event:"keydown"}}return keyComboString.split("+").reduce(function(parsedKeyCombo,keyComboPart){var eventParts=keyComboPart.split(":");var keyName=eventParts[0];var event=eventParts[1];if(keyName in MODIFIER_KEYS){parsedKeyCombo[MODIFIER_KEYS[keyName]]=true;parsedKeyCombo.hasModifiers=true}else{parsedKeyCombo.key=keyName;parsedKeyCombo.event=event||"keydown"}return parsedKeyCombo},{combo:keyComboString.split(":").shift()})}function parseEventString(eventString){return eventString.trim().split(" ").map(function(keyComboString){return parseKeyComboString(keyComboString)})}Polymer.IronA11yKeysBehavior={properties:{keyEventTarget:{type:Object,value:function(){return this}},stopKeyboardEventPropagation:{type:Boolean,value:false},_boundKeyHandlers:{type:Array,value:function(){return[]}},_imperativeKeyBindings:{type:Object,value:function(){return{}}}},observers:["_resetKeyEventListeners(keyEventTarget, _boundKeyHandlers)"],keyBindings:{},registered:function(){this._prepKeyBindings()},attached:function(){this._listenKeyEventListeners()},detached:function(){this._unlistenKeyEventListeners()},addOwnKeyBinding:function(eventString,handlerName){this._imperativeKeyBindings[eventString]=handlerName;this._prepKeyBindings();this._resetKeyEventListeners()},removeOwnKeyBindings:function(){this._imperativeKeyBindings={};this._prepKeyBindings();this._resetKeyEventListeners()},keyboardEventMatchesKeys:function(event,eventString){var keyCombos=parseEventString(eventString);for(var i=0;i<keyCombos.length;++i){if(keyComboMatchesEvent(keyCombos[i],event)){return true}}return false},_collectKeyBindings:function(){var keyBindings=this.behaviors.map(function(behavior){return behavior.keyBindings});if(keyBindings.indexOf(this.keyBindings)===-1){keyBindings.push(this.keyBindings)}return keyBindings},_prepKeyBindings:function(){this._keyBindings={};this._collectKeyBindings().forEach(function(keyBindings){for(var eventString in keyBindings){this._addKeyBinding(eventString,keyBindings[eventString])}},this);for(var eventString in this._imperativeKeyBindings){this._addKeyBinding(eventString,this._imperativeKeyBindings[eventString])}for(var eventName in this._keyBindings){this._keyBindings[eventName].sort(function(kb1,kb2){var b1=kb1[0].hasModifiers;var b2=kb2[0].hasModifiers;return b1===b2?0:b1?-1:1})}},_addKeyBinding:function(eventString,handlerName){parseEventString(eventString).forEach(function(keyCombo){this._keyBindings[keyCombo.event]=this._keyBindings[keyCombo.event]||[];this._keyBindings[keyCombo.event].push([keyCombo,handlerName])},this)},_resetKeyEventListeners:function(){this._unlistenKeyEventListeners();if(this.isAttached){this._listenKeyEventListeners()}},_listenKeyEventListeners:function(){if(!this.keyEventTarget){return}Object.keys(this._keyBindings).forEach(function(eventName){var keyBindings=this._keyBindings[eventName];var boundKeyHandler=this._onKeyBindingEvent.bind(this,keyBindings);this._boundKeyHandlers.push([this.keyEventTarget,eventName,boundKeyHandler]);this.keyEventTarget.addEventListener(eventName,boundKeyHandler)},this)},_unlistenKeyEventListeners:function(){var keyHandlerTuple;var keyEventTarget;var eventName;var boundKeyHandler;while(this._boundKeyHandlers.length){keyHandlerTuple=this._boundKeyHandlers.pop();keyEventTarget=keyHandlerTuple[0];eventName=keyHandlerTuple[1];boundKeyHandler=keyHandlerTuple[2];keyEventTarget.removeEventListener(eventName,boundKeyHandler)}},_onKeyBindingEvent:function(keyBindings,event){if(this.stopKeyboardEventPropagation){event.stopPropagation()}if(event.defaultPrevented){return}for(var i=0;i<keyBindings.length;i++){var keyCombo=keyBindings[i][0];var handlerName=keyBindings[i][1];if(keyComboMatchesEvent(keyCombo,event)){this._triggerKeyHandler(keyCombo,handlerName,event);if(event.defaultPrevented){return}}}},_triggerKeyHandler:function(keyCombo,handlerName,keyboardEvent){var detail=Object.create(keyCombo);detail.keyboardEvent=keyboardEvent;var event=new CustomEvent(keyCombo.event,{detail:detail,cancelable:true});this[handlerName].call(this,event);if(event.defaultPrevented){keyboardEvent.preventDefault()}}}})();Polymer.IronControlState={properties:{focused:{type:Boolean,value:false,notify:true,readOnly:true,reflectToAttribute:true},disabled:{type:Boolean,value:false,notify:true,observer:"_disabledChanged",reflectToAttribute:true},_oldTabIndex:{type:Number},_boundFocusBlurHandler:{type:Function,value:function(){return this._focusBlurHandler.bind(this)}}},observers:["_changedControlState(focused, disabled)"],ready:function(){this.addEventListener("focus",this._boundFocusBlurHandler,true);this.addEventListener("blur",this._boundFocusBlurHandler,true)},_focusBlurHandler:function(event){if(event.target===this){this._setFocused(event.type==="focus")}else if(!this.shadowRoot){var target=Polymer.dom(event).localTarget;if(!this.isLightDescendant(target)){this.fire(event.type,{sourceEvent:event},{node:this,bubbles:event.bubbles,cancelable:event.cancelable})}}},_disabledChanged:function(disabled,old){this.setAttribute("aria-disabled",disabled?"true":"false");this.style.pointerEvents=disabled?"none":"";if(disabled){this._oldTabIndex=this.tabIndex;this._setFocused(false);this.tabIndex=-1;this.blur()}else if(this._oldTabIndex!==undefined){this.tabIndex=this._oldTabIndex}},_changedControlState:function(){if(this._controlStateChanged){this._controlStateChanged()}}};Polymer.IronButtonStateImpl={properties:{pressed:{type:Boolean,readOnly:true,value:false,reflectToAttribute:true,observer:"_pressedChanged"},toggles:{type:Boolean,value:false,reflectToAttribute:true},active:{type:Boolean,value:false,notify:true,reflectToAttribute:true},pointerDown:{type:Boolean,readOnly:true,value:false},receivedFocusFromKeyboard:{type:Boolean,readOnly:true},ariaActiveAttribute:{type:String,value:"aria-pressed",observer:"_ariaActiveAttributeChanged"}},listeners:{down:"_downHandler",up:"_upHandler",tap:"_tapHandler"},observers:["_detectKeyboardFocus(focused)","_activeChanged(active, ariaActiveAttribute)"],keyBindings:{"enter:keydown":"_asyncClick","space:keydown":"_spaceKeyDownHandler","space:keyup":"_spaceKeyUpHandler"},_mouseEventRe:/^mouse/,_tapHandler:function(){if(this.toggles){this._userActivate(!this.active)}else{this.active=false}},_detectKeyboardFocus:function(focused){this._setReceivedFocusFromKeyboard(!this.pointerDown&&focused)},_userActivate:function(active){if(this.active!==active){this.active=active;this.fire("change")}},_downHandler:function(event){this._setPointerDown(true);this._setPressed(true);this._setReceivedFocusFromKeyboard(false)},_upHandler:function(){this._setPointerDown(false);this._setPressed(false)},_spaceKeyDownHandler:function(event){var keyboardEvent=event.detail.keyboardEvent;var target=Polymer.dom(keyboardEvent).localTarget;if(this.isLightDescendant(target))return;keyboardEvent.preventDefault();keyboardEvent.stopImmediatePropagation();this._setPressed(true)},_spaceKeyUpHandler:function(event){var keyboardEvent=event.detail.keyboardEvent;var target=Polymer.dom(keyboardEvent).localTarget;if(this.isLightDescendant(target))return;if(this.pressed){this._asyncClick()}this._setPressed(false)},_asyncClick:function(){this.async(function(){this.click()},1)},_pressedChanged:function(pressed){this._changedButtonState()},_ariaActiveAttributeChanged:function(value,oldValue){if(oldValue&&oldValue!=value&&this.hasAttribute(oldValue)){this.removeAttribute(oldValue)}},_activeChanged:function(active,ariaActiveAttribute){if(this.toggles){this.setAttribute(this.ariaActiveAttribute,active?"true":"false")}else{this.removeAttribute(this.ariaActiveAttribute)}this._changedButtonState()},_controlStateChanged:function(){if(this.disabled){this._setPressed(false)}else{this._changedButtonState()}},_changedButtonState:function(){if(this._buttonStateChanged){this._buttonStateChanged()}}};Polymer.IronButtonState=[Polymer.IronA11yKeysBehavior,Polymer.IronButtonStateImpl];(function(){var Utility={distance:function(x1,y1,x2,y2){var xDelta=x1-x2;var yDelta=y1-y2;return Math.sqrt(xDelta*xDelta+yDelta*yDelta)},now:window.performance&&window.performance.now?window.performance.now.bind(window.performance):Date.now};function ElementMetrics(element){this.element=element;this.width=this.boundingRect.width;this.height=this.boundingRect.height;this.size=Math.max(this.width,this.height)}ElementMetrics.prototype={get boundingRect(){return this.element.getBoundingClientRect()},furthestCornerDistanceFrom:function(x,y){var topLeft=Utility.distance(x,y,0,0);var topRight=Utility.distance(x,y,this.width,0);var bottomLeft=Utility.distance(x,y,0,this.height);var bottomRight=Utility.distance(x,y,this.width,this.height);return Math.max(topLeft,topRight,bottomLeft,bottomRight)}};function Ripple(element){this.element=element;this.color=window.getComputedStyle(element).color;this.wave=document.createElement("div");this.waveContainer=document.createElement("div");this.wave.style.backgroundColor=this.color;this.wave.classList.add("wave");this.waveContainer.classList.add("wave-container");Polymer.dom(this.waveContainer).appendChild(this.wave);this.resetInteractionState()}Ripple.MAX_RADIUS=300;Ripple.prototype={get recenters(){return this.element.recenters},get center(){return this.element.center},get mouseDownElapsed(){var elapsed;if(!this.mouseDownStart){return 0}elapsed=Utility.now()-this.mouseDownStart;if(this.mouseUpStart){elapsed-=this.mouseUpElapsed}return elapsed},get mouseUpElapsed(){return this.mouseUpStart?Utility.now()-this.mouseUpStart:0},get mouseDownElapsedSeconds(){return this.mouseDownElapsed/1e3},get mouseUpElapsedSeconds(){return this.mouseUpElapsed/1e3},get mouseInteractionSeconds(){return this.mouseDownElapsedSeconds+this.mouseUpElapsedSeconds},get initialOpacity(){return this.element.initialOpacity},get opacityDecayVelocity(){return this.element.opacityDecayVelocity},get radius(){var width2=this.containerMetrics.width*this.containerMetrics.width;var height2=this.containerMetrics.height*this.containerMetrics.height;var waveRadius=Math.min(Math.sqrt(width2+height2),Ripple.MAX_RADIUS)*1.1+5;var duration=1.1-.2*(waveRadius/Ripple.MAX_RADIUS);var timeNow=this.mouseInteractionSeconds/duration;var size=waveRadius*(1-Math.pow(80,-timeNow));return Math.abs(size)},get opacity(){if(!this.mouseUpStart){return this.initialOpacity}return Math.max(0,this.initialOpacity-this.mouseUpElapsedSeconds*this.opacityDecayVelocity)},get outerOpacity(){var outerOpacity=this.mouseUpElapsedSeconds*.3;var waveOpacity=this.opacity;return Math.max(0,Math.min(outerOpacity,waveOpacity))},get isOpacityFullyDecayed(){return this.opacity<.01&&this.radius>=Math.min(this.maxRadius,Ripple.MAX_RADIUS)},get isRestingAtMaxRadius(){return this.opacity>=this.initialOpacity&&this.radius>=Math.min(this.maxRadius,Ripple.MAX_RADIUS)},get isAnimationComplete(){return this.mouseUpStart?this.isOpacityFullyDecayed:this.isRestingAtMaxRadius},get translationFraction(){return Math.min(1,this.radius/this.containerMetrics.size*2/Math.sqrt(2))},get xNow(){if(this.xEnd){return this.xStart+this.translationFraction*(this.xEnd-this.xStart)}return this.xStart},get yNow(){if(this.yEnd){return this.yStart+this.translationFraction*(this.yEnd-this.yStart)}return this.yStart},get isMouseDown(){return this.mouseDownStart&&!this.mouseUpStart},resetInteractionState:function(){this.maxRadius=0;this.mouseDownStart=0;this.mouseUpStart=0;this.xStart=0;this.yStart=0;this.xEnd=0;this.yEnd=0;this.slideDistance=0;this.containerMetrics=new ElementMetrics(this.element)},draw:function(){var scale;var translateString;var dx;var dy;this.wave.style.opacity=this.opacity;scale=this.radius/(this.containerMetrics.size/2);dx=this.xNow-this.containerMetrics.width/2;dy=this.yNow-this.containerMetrics.height/2;this.waveContainer.style.webkitTransform="translate("+dx+"px, "+dy+"px)";this.waveContainer.style.transform="translate3d("+dx+"px, "+dy+"px, 0)";this.wave.style.webkitTransform="scale("+scale+","+scale+")";this.wave.style.transform="scale3d("+scale+","+scale+",1)"},downAction:function(event){var xCenter=this.containerMetrics.width/2;var yCenter=this.containerMetrics.height/2;this.resetInteractionState();this.mouseDownStart=Utility.now();if(this.center){this.xStart=xCenter;this.yStart=yCenter;this.slideDistance=Utility.distance(this.xStart,this.yStart,this.xEnd,this.yEnd)}else{this.xStart=event?event.detail.x-this.containerMetrics.boundingRect.left:this.containerMetrics.width/2;this.yStart=event?event.detail.y-this.containerMetrics.boundingRect.top:this.containerMetrics.height/2}if(this.recenters){this.xEnd=xCenter;this.yEnd=yCenter;this.slideDistance=Utility.distance(this.xStart,this.yStart,this.xEnd,this.yEnd)}this.maxRadius=this.containerMetrics.furthestCornerDistanceFrom(this.xStart,this.yStart);this.waveContainer.style.top=(this.containerMetrics.height-this.containerMetrics.size)/2+"px";this.waveContainer.style.left=(this.containerMetrics.width-this.containerMetrics.size)/2+"px";this.waveContainer.style.width=this.containerMetrics.size+"px";this.waveContainer.style.height=this.containerMetrics.size+"px"},upAction:function(event){if(!this.isMouseDown){return}this.mouseUpStart=Utility.now()},remove:function(){Polymer.dom(this.waveContainer.parentNode).removeChild(this.waveContainer)}};Polymer({is:"paper-ripple",behaviors:[Polymer.IronA11yKeysBehavior],properties:{initialOpacity:{type:Number,value:.25},opacityDecayVelocity:{type:Number,value:.8},recenters:{type:Boolean,value:false},center:{type:Boolean,value:false},ripples:{type:Array,value:function(){return[]}},animating:{type:Boolean,readOnly:true,reflectToAttribute:true,value:false},holdDown:{type:Boolean,value:false,observer:"_holdDownChanged"},noink:{type:Boolean,value:false},_animating:{type:Boolean},_boundAnimate:{type:Function,value:function(){return this.animate.bind(this)}}},get target(){return this.keyEventTarget},keyBindings:{"enter:keydown":"_onEnterKeydown","space:keydown":"_onSpaceKeydown","space:keyup":"_onSpaceKeyup"},attached:function(){if(this.parentNode.nodeType==11){this.keyEventTarget=Polymer.dom(this).getOwnerRoot().host}else{this.keyEventTarget=this.parentNode}var keyEventTarget=this.keyEventTarget;this.listen(keyEventTarget,"up","uiUpAction");this.listen(keyEventTarget,"down","uiDownAction")},detached:function(){this.unlisten(this.keyEventTarget,"up","uiUpAction");this.unlisten(this.keyEventTarget,"down","uiDownAction");this.keyEventTarget=null},get shouldKeepAnimating(){for(var index=0;index<this.ripples.length;++index){if(!this.ripples[index].isAnimationComplete){return true}}return false},simulatedRipple:function(){this.downAction(null);this.async(function(){this.upAction()},1)},uiDownAction:function(event){if(!this.noink){this.downAction(event)}},downAction:function(event){if(this.holdDown&&this.ripples.length>0){return}var ripple=this.addRipple();ripple.downAction(event);if(!this._animating){this._animating=true;this.animate()}},uiUpAction:function(event){if(!this.noink){this.upAction(event)}},upAction:function(event){if(this.holdDown){return}this.ripples.forEach(function(ripple){ripple.upAction(event)});this._animating=true;this.animate()},onAnimationComplete:function(){this._animating=false;this.$.background.style.backgroundColor=null;this.fire("transitionend")},addRipple:function(){var ripple=new Ripple(this);Polymer.dom(this.$.waves).appendChild(ripple.waveContainer);this.$.background.style.backgroundColor=ripple.color;this.ripples.push(ripple);this._setAnimating(true);return ripple},removeRipple:function(ripple){var rippleIndex=this.ripples.indexOf(ripple);if(rippleIndex<0){return}this.ripples.splice(rippleIndex,1);ripple.remove();if(!this.ripples.length){this._setAnimating(false)}},animate:function(){if(!this._animating){return}var index;var ripple;for(index=0;index<this.ripples.length;++index){ripple=this.ripples[index];ripple.draw();this.$.background.style.opacity=ripple.outerOpacity;if(ripple.isOpacityFullyDecayed&&!ripple.isRestingAtMaxRadius){this.removeRipple(ripple)}}if(!this.shouldKeepAnimating&&this.ripples.length===0){this.onAnimationComplete()}else{window.requestAnimationFrame(this._boundAnimate)}},_onEnterKeydown:function(){this.uiDownAction();this.async(this.uiUpAction,1)},_onSpaceKeydown:function(){this.uiDownAction()},_onSpaceKeyup:function(){this.uiUpAction()},_holdDownChanged:function(newVal,oldVal){if(oldVal===undefined){return}if(newVal){this.downAction()}else{this.upAction()}}})})();Polymer.PaperRippleBehavior={properties:{noink:{type:Boolean,observer:"_noinkChanged"},_rippleContainer:{type:Object}},_buttonStateChanged:function(){if(this.focused){this.ensureRipple()}},_downHandler:function(event){Polymer.IronButtonStateImpl._downHandler.call(this,event);if(this.pressed){this.ensureRipple(event)}},ensureRipple:function(optTriggeringEvent){if(!this.hasRipple()){this._ripple=this._createRipple();this._ripple.noink=this.noink;var rippleContainer=this._rippleContainer||this.root;if(rippleContainer){Polymer.dom(rippleContainer).appendChild(this._ripple)}if(optTriggeringEvent){var domContainer=Polymer.dom(this._rippleContainer||this);var target=Polymer.dom(optTriggeringEvent).rootTarget;if(domContainer.deepContains(target)){this._ripple.uiDownAction(optTriggeringEvent)}}}},getRipple:function(){this.ensureRipple();return this._ripple},hasRipple:function(){return Boolean(this._ripple)},_createRipple:function(){return document.createElement("paper-ripple")},_noinkChanged:function(noink){if(this.hasRipple()){this._ripple.noink=noink}}};Polymer.PaperInkyFocusBehaviorImpl={observers:["_focusedChanged(receivedFocusFromKeyboard)"],_focusedChanged:function(receivedFocusFromKeyboard){if(receivedFocusFromKeyboard){this.ensureRipple()}if(this.hasRipple()){this._ripple.holdDown=receivedFocusFromKeyboard}},_createRipple:function(){var ripple=Polymer.PaperRippleBehavior._createRipple();ripple.id="ink";ripple.setAttribute("center","");ripple.classList.add("circle");return ripple}};Polymer.PaperInkyFocusBehavior=[Polymer.IronButtonState,Polymer.IronControlState,Polymer.PaperRippleBehavior,Polymer.PaperInkyFocusBehaviorImpl];Polymer({is:"paper-icon-button",hostAttributes:{role:"button",tabindex:"0"},behaviors:[Polymer.PaperInkyFocusBehavior],properties:{src:{type:String},icon:{type:String},alt:{type:String,observer:"_altChanged"}},_altChanged:function(newValue,oldValue){var label=this.getAttribute("aria-label");if(!label||oldValue==label){this.setAttribute("aria-label",newValue)}}});Polymer.PaperSpinnerBehavior={listeners:{animationend:"__reset",webkitAnimationEnd:"__reset"},properties:{active:{type:Boolean,value:false,reflectToAttribute:true,observer:"__activeChanged"},alt:{type:String,value:"loading",observer:"__altChanged"},__coolingDown:{type:Boolean,value:false}},__computeContainerClasses:function(active,coolingDown){return[active||coolingDown?"active":"",coolingDown?"cooldown":""].join(" ")},__activeChanged:function(active,old){this.__setAriaHidden(!active);this.__coolingDown=!active&&old},__altChanged:function(alt){if(alt===this.getPropertyInfo("alt").value){this.alt=this.getAttribute("aria-label")||alt}else{this.__setAriaHidden(alt==="");this.setAttribute("aria-label",alt)}},__setAriaHidden:function(hidden){var attr="aria-hidden";if(hidden){this.setAttribute(attr,"true")}else{this.removeAttribute(attr)}},__reset:function(){this.active=false;this.__coolingDown=false}};Polymer({is:"paper-spinner-lite",behaviors:[Polymer.PaperSpinnerBehavior]});
+Polymer({
+  is: "cr-lazy-render",
+  "extends": "template",
+  behaviors: [Polymer.Templatizer],
+  child_: null,
+  get: function() {
+    if (!this.child_)
+      this.render_();
+    return this.child_
+  },
+  getIfExists: function() {
+    return this.child_
+  },
+  render_: function() {
+    if (!this.ctor)
+      this.templatize(this);
+    var parentNode = this.parentNode;
+    if (parentNode && !this.child_) {
+      var instance = this.stamp({});
+      this.child_ = instance.root.firstElementChild;
+      parentNode.insertBefore(instance.root, this)
+    }
+  },
+  _forwardParentProp: function(prop, value) {
+    if (this.child_)
+      this.child_._templateInstance[prop] = value
+  },
+  _forwardParentPath: function(path, value) {
+    if (this.child_)
+      this.child_._templateInstance.notifyPath(path, value, true)
+  }
+});
+(function() {
+  "use strict";
+  var KEY_IDENTIFIER = {
+    "U+0008": "backspace",
+    "U+0009": "tab",
+    "U+001B": "esc",
+    "U+0020": "space",
+    "U+007F": "del"
+  };
+  var KEY_CODE = {
+    8: "backspace",
+    9: "tab",
+    13: "enter",
+    27: "esc",
+    33: "pageup",
+    34: "pagedown",
+    35: "end",
+    36: "home",
+    32: "space",
+    37: "left",
+    38: "up",
+    39: "right",
+    40: "down",
+    46: "del",
+    106: "*"
+  };
+  var MODIFIER_KEYS =
+      {shift: "shiftKey", ctrl: "ctrlKey", alt: "altKey", meta: "metaKey"};
+  var KEY_CHAR = /[a-z0-9*]/;
+  var IDENT_CHAR = /U\+/;
+  var ARROW_KEY = /^arrow/;
+  var SPACE_KEY = /^space(bar)?/;
+  var ESC_KEY = /^escape$/;
+  function transformKey(key, noSpecialChars) {
+    var validKey = "";
+    if (key) {
+      var lKey = key.toLowerCase();
+      if (lKey === " " || SPACE_KEY.test(lKey)) {
+        validKey = "space"
+      } else if (ESC_KEY.test(lKey)) {
+        validKey = "esc"
+      } else if (lKey.length == 1) {
+        if (!noSpecialChars || KEY_CHAR.test(lKey)) {
+          validKey = lKey
+        }
+      } else if (ARROW_KEY.test(lKey)) {
+        validKey = lKey.replace("arrow", "")
+      } else if (lKey == "multiply") {
+        validKey = "*"
+      } else {
+        validKey = lKey
+      }
+    }
+    return validKey
+  }
+  function transformKeyIdentifier(keyIdent) {
+    var validKey = "";
+    if (keyIdent) {
+      if (keyIdent in KEY_IDENTIFIER) {
+        validKey = KEY_IDENTIFIER[keyIdent]
+      } else if (IDENT_CHAR.test(keyIdent)) {
+        keyIdent = parseInt(keyIdent.replace("U+", "0x"), 16);
+        validKey = String.fromCharCode(keyIdent).toLowerCase()
+      } else {
+        validKey = keyIdent.toLowerCase()
+      }
+    }
+    return validKey
+  }
+  function transformKeyCode(keyCode) {
+    var validKey = "";
+    if (Number(keyCode)) {
+      if (keyCode >= 65 && keyCode <= 90) {
+        validKey = String.fromCharCode(32 + keyCode)
+      } else if (keyCode >= 112 && keyCode <= 123) {
+        validKey = "f" + (keyCode - 112)
+      } else if (keyCode >= 48 && keyCode <= 57) {
+        validKey = String(keyCode - 48)
+      } else if (keyCode >= 96 && keyCode <= 105) {
+        validKey = String(keyCode - 96)
+      } else {
+        validKey = KEY_CODE[keyCode]
+      }
+    }
+    return validKey
+  }
+  function normalizedKeyForEvent(keyEvent, noSpecialChars) {
+    if (keyEvent.key) {
+      return transformKey(keyEvent.key, noSpecialChars)
+    }
+    if (keyEvent.detail && keyEvent.detail.key) {
+      return transformKey(keyEvent.detail.key, noSpecialChars)
+    }
+    return transformKeyIdentifier(keyEvent.keyIdentifier) ||
+        transformKeyCode(keyEvent.keyCode) || ""
+  }
+  function keyComboMatchesEvent(keyCombo, event) {
+    var keyEvent = normalizedKeyForEvent(event, keyCombo.hasModifiers);
+    return keyEvent === keyCombo.key &&
+        (!keyCombo.hasModifiers ||
+         !!event.shiftKey === !!keyCombo.shiftKey &&
+             !!event.ctrlKey === !!keyCombo.ctrlKey &&
+             !!event.altKey === !!keyCombo.altKey &&
+             !!event.metaKey === !!keyCombo.metaKey)
+  }
+  function parseKeyComboString(keyComboString) {
+    if (keyComboString.length === 1) {
+      return {
+        combo: keyComboString, key: keyComboString, event: "keydown"
+      }
+    }
+    return keyComboString.split("+")
+        .reduce(function(parsedKeyCombo, keyComboPart) {
+          var eventParts = keyComboPart.split(":");
+          var keyName = eventParts[0];
+          var event = eventParts[1];
+          if (keyName in MODIFIER_KEYS) {
+            parsedKeyCombo[MODIFIER_KEYS[keyName]] = true;
+            parsedKeyCombo.hasModifiers = true
+          } else {
+            parsedKeyCombo.key = keyName;
+            parsedKeyCombo.event = event || "keydown"
+          }
+          return parsedKeyCombo
+        }, {combo: keyComboString.split(":").shift()})
+  }
+  function parseEventString(eventString) {
+    return eventString.trim().split(" ").map(function(keyComboString) {
+      return parseKeyComboString(keyComboString)
+    })
+  }
+  Polymer.IronA11yKeysBehavior = {
+    properties: {
+      keyEventTarget: {
+        type: Object,
+        value: function() {
+          return this
+        }
+      },
+      stopKeyboardEventPropagation: {type: Boolean, value: false},
+      _boundKeyHandlers: {
+        type: Array,
+        value: function() {
+          return []
+        }
+      },
+      _imperativeKeyBindings: {
+        type: Object,
+        value: function() {
+          return {}
+        }
+      }
+    },
+    observers: ["_resetKeyEventListeners(keyEventTarget, _boundKeyHandlers)"],
+    keyBindings: {},
+    registered: function() {
+      this._prepKeyBindings()
+    },
+    attached: function() {
+      this._listenKeyEventListeners()
+    },
+    detached: function() {
+      this._unlistenKeyEventListeners()
+    },
+    addOwnKeyBinding: function(eventString, handlerName) {
+      this._imperativeKeyBindings[eventString] = handlerName;
+      this._prepKeyBindings();
+      this._resetKeyEventListeners()
+    },
+    removeOwnKeyBindings: function() {
+      this._imperativeKeyBindings = {};
+      this._prepKeyBindings();
+      this._resetKeyEventListeners()
+    },
+    keyboardEventMatchesKeys: function(event, eventString) {
+      var keyCombos = parseEventString(eventString);
+      for (var i = 0; i < keyCombos.length; ++i) {
+        if (keyComboMatchesEvent(keyCombos[i], event)) {
+          return true
+        }
+      }
+      return false
+    },
+    _collectKeyBindings: function() {
+      var keyBindings = this.behaviors.map(function(behavior) {
+        return behavior.keyBindings
+      });
+      if (keyBindings.indexOf(this.keyBindings) === -1) {
+        keyBindings.push(this.keyBindings)
+      }
+      return keyBindings
+    },
+    _prepKeyBindings: function() {
+      this._keyBindings = {};
+      this._collectKeyBindings().forEach(function(keyBindings) {
+        for (var eventString in keyBindings) {
+          this._addKeyBinding(eventString, keyBindings[eventString])
+        }
+      }, this);
+      for (var eventString in this._imperativeKeyBindings) {
+        this._addKeyBinding(
+            eventString, this._imperativeKeyBindings[eventString])
+      }
+      for (var eventName in this._keyBindings) {
+        this._keyBindings[eventName].sort(function(kb1, kb2) {
+          var b1 = kb1[0].hasModifiers;
+          var b2 = kb2[0].hasModifiers;
+          return b1 === b2 ? 0 : b1 ? -1 : 1
+        })
+      }
+    },
+    _addKeyBinding: function(eventString, handlerName) {
+      parseEventString(eventString).forEach(function(keyCombo) {
+        this._keyBindings[keyCombo.event] =
+            this._keyBindings[keyCombo.event] || [];
+        this._keyBindings[keyCombo.event].push([keyCombo, handlerName])
+      }, this)
+    },
+    _resetKeyEventListeners: function() {
+      this._unlistenKeyEventListeners();
+      if (this.isAttached) {
+        this._listenKeyEventListeners()
+      }
+    },
+    _listenKeyEventListeners: function() {
+      if (!this.keyEventTarget) {
+        return
+      }
+      Object.keys(this._keyBindings).forEach(function(eventName) {
+        var keyBindings = this._keyBindings[eventName];
+        var boundKeyHandler = this._onKeyBindingEvent.bind(this, keyBindings);
+        this._boundKeyHandlers.push(
+            [this.keyEventTarget, eventName, boundKeyHandler]);
+        this.keyEventTarget.addEventListener(eventName, boundKeyHandler)
+      }, this)
+    },
+    _unlistenKeyEventListeners: function() {
+      var keyHandlerTuple;
+      var keyEventTarget;
+      var eventName;
+      var boundKeyHandler;
+      while (this._boundKeyHandlers.length) {
+        keyHandlerTuple = this._boundKeyHandlers.pop();
+        keyEventTarget = keyHandlerTuple[0];
+        eventName = keyHandlerTuple[1];
+        boundKeyHandler = keyHandlerTuple[2];
+        keyEventTarget.removeEventListener(eventName, boundKeyHandler)
+      }
+    },
+    _onKeyBindingEvent: function(keyBindings, event) {
+      if (this.stopKeyboardEventPropagation) {
+        event.stopPropagation()
+      }
+      if (event.defaultPrevented) {
+        return
+      }
+      for (var i = 0; i < keyBindings.length; i++) {
+        var keyCombo = keyBindings[i][0];
+        var handlerName = keyBindings[i][1];
+        if (keyComboMatchesEvent(keyCombo, event)) {
+          this._triggerKeyHandler(keyCombo, handlerName, event);
+          if (event.defaultPrevented) {
+            return
+          }
+        }
+      }
+    },
+    _triggerKeyHandler: function(keyCombo, handlerName, keyboardEvent) {
+      var detail = Object.create(keyCombo);
+      detail.keyboardEvent = keyboardEvent;
+      var event =
+          new CustomEvent(keyCombo.event, {detail: detail, cancelable: true});
+      this[handlerName].call(this, event);
+      if (event.defaultPrevented) {
+        keyboardEvent.preventDefault()
+      }
+    }
+  }
+})();
+Polymer.IronControlState = {
+  properties: {
+    focused: {
+      type: Boolean,
+      value: false,
+      notify: true,
+      readOnly: true,
+      reflectToAttribute: true
+    },
+    disabled: {
+      type: Boolean,
+      value: false,
+      notify: true,
+      observer: "_disabledChanged",
+      reflectToAttribute: true
+    },
+    _oldTabIndex: {type: Number},
+    _boundFocusBlurHandler: {
+      type: Function,
+      value: function() {
+        return this._focusBlurHandler.bind(this)
+      }
+    }
+  },
+  observers: ["_changedControlState(focused, disabled)"],
+  ready: function() {
+    this.addEventListener("focus", this._boundFocusBlurHandler, true);
+    this.addEventListener("blur", this._boundFocusBlurHandler, true)
+  },
+  _focusBlurHandler: function(event) {
+    if (event.target === this) {
+      this._setFocused(event.type === "focus")
+    } else if (!this.shadowRoot) {
+      var target = Polymer.dom(event).localTarget;
+      if (!this.isLightDescendant(target)) {
+        this.fire(
+            event.type, {sourceEvent: event},
+            {node: this, bubbles: event.bubbles, cancelable: event.cancelable})
+      }
+    }
+  },
+  _disabledChanged: function(disabled, old) {
+    this.setAttribute("aria-disabled", disabled ? "true" : "false");
+    this.style.pointerEvents = disabled ? "none" : "";
+    if (disabled) {
+      this._oldTabIndex = this.tabIndex;
+      this._setFocused(false);
+      this.tabIndex = -1;
+      this.blur()
+    } else if (this._oldTabIndex !== undefined) {
+      this.tabIndex = this._oldTabIndex
+    }
+  },
+  _changedControlState: function() {
+    if (this._controlStateChanged) {
+      this._controlStateChanged()
+    }
+  }
+};
+Polymer.IronButtonStateImpl = {
+  properties: {
+    pressed: {
+      type: Boolean,
+      readOnly: true,
+      value: false,
+      reflectToAttribute: true,
+      observer: "_pressedChanged"
+    },
+    toggles: {type: Boolean, value: false, reflectToAttribute: true},
+    active:
+        {type: Boolean, value: false, notify: true, reflectToAttribute: true},
+    pointerDown: {type: Boolean, readOnly: true, value: false},
+    receivedFocusFromKeyboard: {type: Boolean, readOnly: true},
+    ariaActiveAttribute: {
+      type: String,
+      value: "aria-pressed",
+      observer: "_ariaActiveAttributeChanged"
+    }
+  },
+  listeners: {down: "_downHandler", up: "_upHandler", tap: "_tapHandler"},
+  observers: [
+    "_detectKeyboardFocus(focused)",
+    "_activeChanged(active, ariaActiveAttribute)"
+  ],
+  keyBindings: {
+    "enter:keydown": "_asyncClick",
+    "space:keydown": "_spaceKeyDownHandler",
+    "space:keyup": "_spaceKeyUpHandler"
+  },
+  _mouseEventRe: /^mouse/,
+  _tapHandler: function() {
+    if (this.toggles) {
+      this._userActivate(!this.active)
+    } else {
+      this.active = false
+    }
+  },
+  _detectKeyboardFocus: function(focused) {
+    this._setReceivedFocusFromKeyboard(!this.pointerDown && focused)
+  },
+  _userActivate: function(active) {
+    if (this.active !== active) {
+      this.active = active;
+      this.fire("change")
+    }
+  },
+  _downHandler: function(event) {
+    this._setPointerDown(true);
+    this._setPressed(true);
+    this._setReceivedFocusFromKeyboard(false)
+  },
+  _upHandler: function() {
+    this._setPointerDown(false);
+    this._setPressed(false)
+  },
+  _spaceKeyDownHandler: function(event) {
+    var keyboardEvent = event.detail.keyboardEvent;
+    var target = Polymer.dom(keyboardEvent).localTarget;
+    if (this.isLightDescendant(target))
+      return;
+    keyboardEvent.preventDefault();
+    keyboardEvent.stopImmediatePropagation();
+    this._setPressed(true)
+  },
+  _spaceKeyUpHandler: function(event) {
+    var keyboardEvent = event.detail.keyboardEvent;
+    var target = Polymer.dom(keyboardEvent).localTarget;
+    if (this.isLightDescendant(target))
+      return;
+    if (this.pressed) {
+      this._asyncClick()
+    }
+    this._setPressed(false)
+  },
+  _asyncClick: function() {
+    this.async(function() {
+      this.click()
+    }, 1)
+  },
+  _pressedChanged: function(pressed) {
+    this._changedButtonState()
+  },
+  _ariaActiveAttributeChanged: function(value, oldValue) {
+    if (oldValue && oldValue != value && this.hasAttribute(oldValue)) {
+      this.removeAttribute(oldValue)
+    }
+  },
+  _activeChanged: function(active, ariaActiveAttribute) {
+    if (this.toggles) {
+      this.setAttribute(this.ariaActiveAttribute, active ? "true" : "false")
+    } else {
+      this.removeAttribute(this.ariaActiveAttribute)
+    }
+    this._changedButtonState()
+  },
+  _controlStateChanged: function() {
+    if (this.disabled) {
+      this._setPressed(false)
+    } else {
+      this._changedButtonState()
+    }
+  },
+  _changedButtonState: function() {
+    if (this._buttonStateChanged) {
+      this._buttonStateChanged()
+    }
+  }
+};
+Polymer.IronButtonState =
+    [Polymer.IronA11yKeysBehavior, Polymer.IronButtonStateImpl];
+(function() {
+  var Utility = {
+    distance: function(x1, y1, x2, y2) {
+      var xDelta = x1 - x2;
+      var yDelta = y1 - y2;
+      return Math.sqrt(xDelta * xDelta + yDelta * yDelta)
+    },
+    now: window.performance && window.performance.now ?
+        window.performance.now.bind(window.performance) :
+        Date.now
+  };
+  function ElementMetrics(element) {
+    this.element = element;
+    this.width = this.boundingRect.width;
+    this.height = this.boundingRect.height;
+    this.size = Math.max(this.width, this.height)
+  }
+  ElementMetrics.prototype = {
+    get boundingRect() {
+      return this.element.getBoundingClientRect()
+    },
+    furthestCornerDistanceFrom: function(x, y) {
+      var topLeft = Utility.distance(x, y, 0, 0);
+      var topRight = Utility.distance(x, y, this.width, 0);
+      var bottomLeft = Utility.distance(x, y, 0, this.height);
+      var bottomRight = Utility.distance(x, y, this.width, this.height);
+      return Math.max(topLeft, topRight, bottomLeft, bottomRight)
+    }
+  };
+  function Ripple(element) {
+    this.element = element;
+    this.color = window.getComputedStyle(element).color;
+    this.wave = document.createElement("div");
+    this.waveContainer = document.createElement("div");
+    this.wave.style.backgroundColor = this.color;
+    this.wave.classList.add("wave");
+    this.waveContainer.classList.add("wave-container");
+    Polymer.dom(this.waveContainer).appendChild(this.wave);
+    this.resetInteractionState()
+  }
+  Ripple.MAX_RADIUS = 300;
+  Ripple.prototype = {
+    get recenters() {
+      return this.element.recenters
+    },
+    get center() {
+      return this.element.center
+    },
+    get mouseDownElapsed() {
+      var elapsed;
+      if (!this.mouseDownStart) {
+        return 0
+      }
+      elapsed = Utility.now() - this.mouseDownStart;
+      if (this.mouseUpStart) {
+        elapsed -= this.mouseUpElapsed
+      }
+      return elapsed
+    },
+    get mouseUpElapsed() {
+      return this.mouseUpStart ? Utility.now() - this.mouseUpStart : 0
+    },
+    get mouseDownElapsedSeconds() {
+      return this.mouseDownElapsed / 1e3
+    },
+    get mouseUpElapsedSeconds() {
+      return this.mouseUpElapsed / 1e3
+    },
+    get mouseInteractionSeconds() {
+      return this.mouseDownElapsedSeconds + this.mouseUpElapsedSeconds
+    },
+    get initialOpacity() {
+      return this.element.initialOpacity
+    },
+    get opacityDecayVelocity() {
+      return this.element.opacityDecayVelocity
+    },
+    get radius() {
+      var width2 = this.containerMetrics.width * this.containerMetrics.width;
+      var height2 = this.containerMetrics.height * this.containerMetrics.height;
+      var waveRadius =
+          Math.min(Math.sqrt(width2 + height2), Ripple.MAX_RADIUS) * 1.1 + 5;
+      var duration = 1.1 - .2 * (waveRadius / Ripple.MAX_RADIUS);
+      var timeNow = this.mouseInteractionSeconds / duration;
+      var size = waveRadius * (1 - Math.pow(80, -timeNow));
+      return Math.abs(size)
+    },
+    get opacity() {
+      if (!this.mouseUpStart) {
+        return this.initialOpacity
+      }
+      return Math.max(
+          0, this.initialOpacity -
+              this.mouseUpElapsedSeconds * this.opacityDecayVelocity)
+    },
+    get outerOpacity() {
+      var outerOpacity = this.mouseUpElapsedSeconds * .3;
+      var waveOpacity = this.opacity;
+      return Math.max(0, Math.min(outerOpacity, waveOpacity))
+    },
+    get isOpacityFullyDecayed() {
+      return this.opacity < .01 &&
+          this.radius >= Math.min(this.maxRadius, Ripple.MAX_RADIUS)
+    },
+    get isRestingAtMaxRadius() {
+      return this.opacity >= this.initialOpacity &&
+          this.radius >= Math.min(this.maxRadius, Ripple.MAX_RADIUS)
+    },
+    get isAnimationComplete() {
+      return this.mouseUpStart ? this.isOpacityFullyDecayed :
+                                 this.isRestingAtMaxRadius
+    },
+    get translationFraction() {
+      return Math.min(
+          1, this.radius / this.containerMetrics.size * 2 / Math.sqrt(2))
+    },
+    get xNow() {
+      if (this.xEnd) {
+        return this.xStart +
+            this.translationFraction * (this.xEnd - this.xStart)
+      }
+      return this.xStart
+    },
+    get yNow() {
+      if (this.yEnd) {
+        return this.yStart +
+            this.translationFraction * (this.yEnd - this.yStart)
+      }
+      return this.yStart
+    },
+    get isMouseDown() {
+      return this.mouseDownStart && !this.mouseUpStart
+    },
+    resetInteractionState: function() {
+      this.maxRadius = 0;
+      this.mouseDownStart = 0;
+      this.mouseUpStart = 0;
+      this.xStart = 0;
+      this.yStart = 0;
+      this.xEnd = 0;
+      this.yEnd = 0;
+      this.slideDistance = 0;
+      this.containerMetrics = new ElementMetrics(this.element)
+    },
+    draw: function() {
+      var scale;
+      var translateString;
+      var dx;
+      var dy;
+      this.wave.style.opacity = this.opacity;
+      scale = this.radius / (this.containerMetrics.size / 2);
+      dx = this.xNow - this.containerMetrics.width / 2;
+      dy = this.yNow - this.containerMetrics.height / 2;
+      this.waveContainer.style.webkitTransform =
+          "translate(" + dx + "px, " + dy + "px)";
+      this.waveContainer.style.transform =
+          "translate3d(" + dx + "px, " + dy + "px, 0)";
+      this.wave.style.webkitTransform = "scale(" + scale + "," + scale + ")";
+      this.wave.style.transform = "scale3d(" + scale + "," + scale + ",1)"
+    },
+    downAction: function(event) {
+      var xCenter = this.containerMetrics.width / 2;
+      var yCenter = this.containerMetrics.height / 2;
+      this.resetInteractionState();
+      this.mouseDownStart = Utility.now();
+      if (this.center) {
+        this.xStart = xCenter;
+        this.yStart = yCenter;
+        this.slideDistance =
+            Utility.distance(this.xStart, this.yStart, this.xEnd, this.yEnd)
+      } else {
+        this.xStart = event ?
+            event.detail.x - this.containerMetrics.boundingRect.left :
+            this.containerMetrics.width / 2;
+        this.yStart = event ?
+            event.detail.y - this.containerMetrics.boundingRect.top :
+            this.containerMetrics.height / 2
+      }
+      if (this.recenters) {
+        this.xEnd = xCenter;
+        this.yEnd = yCenter;
+        this.slideDistance =
+            Utility.distance(this.xStart, this.yStart, this.xEnd, this.yEnd)
+      }
+      this.maxRadius = this.containerMetrics.furthestCornerDistanceFrom(
+          this.xStart, this.yStart);
+      this.waveContainer.style.top =
+          (this.containerMetrics.height - this.containerMetrics.size) / 2 +
+          "px";
+      this.waveContainer.style.left =
+          (this.containerMetrics.width - this.containerMetrics.size) / 2 + "px";
+      this.waveContainer.style.width = this.containerMetrics.size + "px";
+      this.waveContainer.style.height = this.containerMetrics.size + "px"
+    },
+    upAction: function(event) {
+      if (!this.isMouseDown) {
+        return
+      }
+      this.mouseUpStart = Utility.now()
+    },
+    remove: function() {
+      Polymer.dom(this.waveContainer.parentNode).removeChild(this.waveContainer)
+    }
+  };
+  Polymer({
+    is: "paper-ripple",
+    behaviors: [Polymer.IronA11yKeysBehavior],
+    properties: {
+      initialOpacity: {type: Number, value: .25},
+      opacityDecayVelocity: {type: Number, value: .8},
+      recenters: {type: Boolean, value: false},
+      center: {type: Boolean, value: false},
+      ripples: {
+        type: Array,
+        value: function() {
+          return []
+        }
+      },
+      animating: {
+        type: Boolean,
+        readOnly: true,
+        reflectToAttribute: true,
+        value: false
+      },
+      holdDown: {type: Boolean, value: false, observer: "_holdDownChanged"},
+      noink: {type: Boolean, value: false},
+      _animating: {type: Boolean},
+      _boundAnimate: {
+        type: Function,
+        value: function() {
+          return this.animate.bind(this)
+        }
+      }
+    },
+    get target() {
+      return this.keyEventTarget
+    },
+    keyBindings: {
+      "enter:keydown": "_onEnterKeydown",
+      "space:keydown": "_onSpaceKeydown",
+      "space:keyup": "_onSpaceKeyup"
+    },
+    attached: function() {
+      if (this.parentNode.nodeType == 11) {
+        this.keyEventTarget = Polymer.dom(this).getOwnerRoot().host
+      } else {
+        this.keyEventTarget = this.parentNode
+      }
+      var keyEventTarget = this.keyEventTarget;
+      this.listen(keyEventTarget, "up", "uiUpAction");
+      this.listen(keyEventTarget, "down", "uiDownAction")
+    },
+    detached: function() {
+      this.unlisten(this.keyEventTarget, "up", "uiUpAction");
+      this.unlisten(this.keyEventTarget, "down", "uiDownAction");
+      this.keyEventTarget = null
+    },
+    get shouldKeepAnimating() {
+      for (var index = 0; index < this.ripples.length; ++index) {
+        if (!this.ripples[index].isAnimationComplete) {
+          return true
+        }
+      }
+      return false
+    },
+    simulatedRipple: function() {
+      this.downAction(null);
+      this.async(function() {
+        this.upAction()
+      }, 1)
+    },
+    uiDownAction: function(event) {
+      if (!this.noink) {
+        this.downAction(event)
+      }
+    },
+    downAction: function(event) {
+      if (this.holdDown && this.ripples.length > 0) {
+        return
+      }
+      var ripple = this.addRipple();
+      ripple.downAction(event);
+      if (!this._animating) {
+        this._animating = true;
+        this.animate()
+      }
+    },
+    uiUpAction: function(event) {
+      if (!this.noink) {
+        this.upAction(event)
+      }
+    },
+    upAction: function(event) {
+      if (this.holdDown) {
+        return
+      }
+      this.ripples.forEach(function(ripple) {
+        ripple.upAction(event)
+      });
+      this._animating = true;
+      this.animate()
+    },
+    onAnimationComplete: function() {
+      this._animating = false;
+      this.$.background.style.backgroundColor = null;
+      this.fire("transitionend")
+    },
+    addRipple: function() {
+      var ripple = new Ripple(this);
+      Polymer.dom(this.$.waves).appendChild(ripple.waveContainer);
+      this.$.background.style.backgroundColor = ripple.color;
+      this.ripples.push(ripple);
+      this._setAnimating(true);
+      return ripple
+    },
+    removeRipple: function(ripple) {
+      var rippleIndex = this.ripples.indexOf(ripple);
+      if (rippleIndex < 0) {
+        return
+      }
+      this.ripples.splice(rippleIndex, 1);
+      ripple.remove();
+      if (!this.ripples.length) {
+        this._setAnimating(false)
+      }
+    },
+    animate: function() {
+      if (!this._animating) {
+        return
+      }
+      var index;
+      var ripple;
+      for (index = 0; index < this.ripples.length; ++index) {
+        ripple = this.ripples[index];
+        ripple.draw();
+        this.$.background.style.opacity = ripple.outerOpacity;
+        if (ripple.isOpacityFullyDecayed && !ripple.isRestingAtMaxRadius) {
+          this.removeRipple(ripple)
+        }
+      }
+      if (!this.shouldKeepAnimating && this.ripples.length === 0) {
+        this.onAnimationComplete()
+      } else {
+        window.requestAnimationFrame(this._boundAnimate)
+      }
+    },
+    _onEnterKeydown: function() {
+      this.uiDownAction();
+      this.async(this.uiUpAction, 1)
+    },
+    _onSpaceKeydown: function() {
+      this.uiDownAction()
+    },
+    _onSpaceKeyup: function() {
+      this.uiUpAction()
+    },
+    _holdDownChanged: function(newVal, oldVal) {
+      if (oldVal === undefined) {
+        return
+      }
+      if (newVal) {
+        this.downAction()
+      } else {
+        this.upAction()
+      }
+    }
+  })
+})();
+Polymer.PaperRippleBehavior = {
+  properties: {
+    noink: {type: Boolean, observer: "_noinkChanged"},
+    _rippleContainer: {type: Object}
+  },
+  _buttonStateChanged: function() {
+    if (this.focused) {
+      this.ensureRipple()
+    }
+  },
+  _downHandler: function(event) {
+    Polymer.IronButtonStateImpl._downHandler.call(this, event);
+    if (this.pressed) {
+      this.ensureRipple(event)
+    }
+  },
+  ensureRipple: function(optTriggeringEvent) {
+    if (!this.hasRipple()) {
+      this._ripple = this._createRipple();
+      this._ripple.noink = this.noink;
+      var rippleContainer = this._rippleContainer || this.root;
+      if (rippleContainer) {
+        Polymer.dom(rippleContainer).appendChild(this._ripple)
+      }
+      if (optTriggeringEvent) {
+        var domContainer = Polymer.dom(this._rippleContainer || this);
+        var target = Polymer.dom(optTriggeringEvent).rootTarget;
+        if (domContainer.deepContains(target)) {
+          this._ripple.uiDownAction(optTriggeringEvent)
+        }
+      }
+    }
+  },
+  getRipple: function() {
+    this.ensureRipple();
+    return this._ripple
+  },
+  hasRipple: function() {
+    return Boolean(this._ripple)
+  },
+  _createRipple: function() {
+    return document.createElement("paper-ripple")
+  },
+  _noinkChanged: function(noink) {
+    if (this.hasRipple()) {
+      this._ripple.noink = noink
+    }
+  }
+};
+Polymer.PaperInkyFocusBehaviorImpl = {
+  observers: ["_focusedChanged(receivedFocusFromKeyboard)"],
+  _focusedChanged: function(receivedFocusFromKeyboard) {
+    if (receivedFocusFromKeyboard) {
+      this.ensureRipple()
+    }
+    if (this.hasRipple()) {
+      this._ripple.holdDown = receivedFocusFromKeyboard
+    }
+  },
+  _createRipple: function() {
+    var ripple = Polymer.PaperRippleBehavior._createRipple();
+    ripple.id = "ink";
+    ripple.setAttribute("center", "");
+    ripple.classList.add("circle");
+    return ripple
+  }
+};
+Polymer.PaperInkyFocusBehavior = [
+  Polymer.IronButtonState, Polymer.IronControlState,
+  Polymer.PaperRippleBehavior, Polymer.PaperInkyFocusBehaviorImpl
+];
+Polymer({
+  is: "paper-icon-button",
+  hostAttributes: {role: "button", tabindex: "0"},
+  behaviors: [Polymer.PaperInkyFocusBehavior],
+  properties: {
+    src: {type: String},
+    icon: {type: String},
+    alt: {type: String, observer: "_altChanged"}
+  },
+  _altChanged: function(newValue, oldValue) {
+    var label = this.getAttribute("aria-label");
+    if (!label || oldValue == label) {
+      this.setAttribute("aria-label", newValue)
+    }
+  }
+});
+Polymer.PaperSpinnerBehavior = {
+  listeners: {animationend: "__reset", webkitAnimationEnd: "__reset"},
+  properties: {
+    active: {
+      type: Boolean,
+      value: false,
+      reflectToAttribute: true,
+      observer: "__activeChanged"
+    },
+    alt: {type: String, value: "loading", observer: "__altChanged"},
+    __coolingDown: {type: Boolean, value: false}
+  },
+  __computeContainerClasses: function(active, coolingDown) {
+    return [
+      active || coolingDown ? "active" : "", coolingDown ? "cooldown" : ""
+    ].join(" ")
+  },
+  __activeChanged: function(active, old) {
+    this.__setAriaHidden(!active);
+    this.__coolingDown = !active && old
+  },
+  __altChanged: function(alt) {
+    if (alt === this.getPropertyInfo("alt").value) {
+      this.alt = this.getAttribute("aria-label") || alt
+    } else {
+      this.__setAriaHidden(alt === "");
+      this.setAttribute("aria-label", alt)
+    }
+  },
+  __setAriaHidden: function(hidden) {
+    var attr = "aria-hidden";
+    if (hidden) {
+      this.setAttribute(attr, "true")
+    } else {
+      this.removeAttribute(attr)
+    }
+  },
+  __reset: function() {
+    this.active = false;
+    this.__coolingDown = false
+  }
+};
+Polymer({is: "paper-spinner-lite", behaviors: [Polymer.PaperSpinnerBehavior]});
 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
-var CrSearchFieldBehavior={properties:{label:{type:String,value:""},clearLabel:{type:String,value:""},lastValue_:{type:String,value:""}},getSearchInput:function(){},getValue:function(){return this.getSearchInput().value},setValue:function(value,opt_noEvent){var searchInput=this.getSearchInput();searchInput.value=value;this.onValueChanged_(value,!!opt_noEvent)},onSearchTermSearch:function(){this.onValueChanged_(this.getValue(),false)},onValueChanged_:function(newValue,noEvent){if(newValue==this.lastValue_)return;this.lastValue_=newValue;if(!noEvent)this.fire("search-changed",newValue)}};
+var CrSearchFieldBehavior = {
+  properties: {
+    label: {type: String, value: ""},
+    clearLabel: {type: String, value: ""},
+    lastValue_: {type: String, value: ""}
+  },
+  getSearchInput: function() {},
+  getValue: function() {
+    return this.getSearchInput().value
+  },
+  setValue: function(value, opt_noEvent) {
+    var searchInput = this.getSearchInput();
+    searchInput.value = value;
+    this.onValueChanged_(value, !!opt_noEvent)
+  },
+  onSearchTermSearch: function() {
+    this.onValueChanged_(this.getValue(), false)
+  },
+  onValueChanged_: function(newValue, noEvent) {
+    if (newValue == this.lastValue_)
+      return;
+    this.lastValue_ = newValue;
+    if (!noEvent)
+      this.fire("search-changed", newValue)
+  }
+};
 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
-Polymer({is:"cr-toolbar-search-field",behaviors:[CrSearchFieldBehavior],properties:{narrow:{type:Boolean,reflectToAttribute:true},showingSearch:{type:Boolean,value:false,notify:true,observer:"showingSearchChanged_",reflectToAttribute:true},label:String,clearLabel:String,spinnerActive:{type:Boolean,reflectToAttribute:true},hasSearchText_:{type:Boolean,reflectToAttribute:true},isSpinnerShown_:{type:Boolean,computed:"computeIsSpinnerShown_(spinnerActive, showingSearch)"},searchFocused_:{type:Boolean,value:false}},listeners:{click:"showSearch_"},getSearchInput:function(){return this.$.searchInput},setValue:function(value,opt_noEvent){CrSearchFieldBehavior.setValue.call(this,value,opt_noEvent);this.onSearchInput_()},isSearchFocused:function(){return this.searchFocused_},showAndFocus:function(){this.showingSearch=true;this.focus_()},focus_:function(){this.getSearchInput().focus()},computeIconTabIndex_:function(narrow){return narrow?0:-1},computeIsSpinnerShown_:function(){return this.spinnerActive&&this.showingSearch},onInputFocus_:function(){this.searchFocused_=true},onInputBlur_:function(){this.searchFocused_=false;if(!this.hasSearchText_)this.showingSearch=false},onSearchInput_:function(){var newValue=this.$.searchInput.value;this.hasSearchText_=newValue!="";if(newValue!="")this.showingSearch=true},onSearchTermKeydown_:function(e){if(e.key=="Escape")this.showingSearch=false},showSearch_:function(e){if(e.target!=this.$.clearSearch)this.showingSearch=true},clearSearch_:function(e){this.setValue("");this.focus_()},showingSearchChanged_:function(current,previous){if(previous==undefined)return;if(this.showingSearch){this.focus_();return}this.setValue("");this.getSearchInput().blur()}});
+Polymer({
+  is: "cr-toolbar-search-field",
+  behaviors: [CrSearchFieldBehavior],
+  properties: {
+    narrow: {type: Boolean, reflectToAttribute: true},
+    showingSearch: {
+      type: Boolean,
+      value: false,
+      notify: true,
+      observer: "showingSearchChanged_",
+      reflectToAttribute: true
+    },
+    label: String,
+    clearLabel: String,
+    spinnerActive: {type: Boolean, reflectToAttribute: true},
+    hasSearchText_: {type: Boolean, reflectToAttribute: true},
+    isSpinnerShown_: {
+      type: Boolean,
+      computed: "computeIsSpinnerShown_(spinnerActive, showingSearch)"
+    },
+    searchFocused_: {type: Boolean, value: false}
+  },
+  listeners: {click: "showSearch_"},
+  getSearchInput: function() {
+    return this.$.searchInput
+  },
+  setValue: function(value, opt_noEvent) {
+    CrSearchFieldBehavior.setValue.call(this, value, opt_noEvent);
+    this.onSearchInput_()
+  },
+  isSearchFocused: function() {
+    return this.searchFocused_
+  },
+  showAndFocus: function() {
+    this.showingSearch = true;
+    this.focus_()
+  },
+  focus_: function() {
+    this.getSearchInput().focus()
+  },
+  computeIconTabIndex_: function(narrow) {
+    return narrow ? 0 : -1
+  },
+  computeIsSpinnerShown_: function() {
+    return this.spinnerActive && this.showingSearch
+  },
+  onInputFocus_: function() {
+    this.searchFocused_ = true
+  },
+  onInputBlur_: function() {
+    this.searchFocused_ = false;
+    if (!this.hasSearchText_)
+      this.showingSearch = false
+  },
+  onSearchInput_: function() {
+    var newValue = this.$.searchInput.value;
+    this.hasSearchText_ = newValue != "";
+    if (newValue != "")
+      this.showingSearch = true
+  },
+  onSearchTermKeydown_: function(e) {
+    if (e.key == "Escape")
+      this.showingSearch = false
+  },
+  showSearch_: function(e) {
+    if (e.target != this.$.clearSearch)
+      this.showingSearch = true
+  },
+  clearSearch_: function(e) {
+    this.setValue("");
+    this.focus_()
+  },
+  showingSearchChanged_: function(current, previous) {
+    if (previous == undefined)
+      return;
+    if (this.showingSearch) {
+      this.focus_();
+      return
+    }
+    this.setValue("");
+    this.getSearchInput().blur()
+  }
+});
 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
-Polymer({is:"cr-toolbar",properties:{pageName:String,searchPrompt:String,clearLabel:String,menuLabel:String,menuPromo:String,spinnerActive:Boolean,showMenu:{type:Boolean,value:false},showMenuPromo:{type:Boolean,value:false},closeMenuPromo:String,narrow_:{type:Boolean,reflectToAttribute:true},showingSearch_:{type:Boolean,reflectToAttribute:true}},observers:["possiblyShowMenuPromo_(showMenu, showMenuPromo, showingSearch_)"],getSearchField:function(){return this.$.search},onClosePromoTap_:function(){this.fire("cr-toolbar-menu-promo-close")},onMenuTap_:function(){this.fire("cr-toolbar-menu-tap")},possiblyShowMenuPromo_:function(){Polymer.RenderStatus.afterNextRender(this,function(){if(this.showMenu&&this.showMenuPromo&&!this.showingSearch_){this.$$("#menuPromo").animate({opacity:[0,.9]},{duration:500,fill:"forwards"});this.fire("cr-toolbar-menu-promo-shown")}}.bind(this))},titleIfNotShowMenuPromo_:function(title,showMenuPromo){return showMenuPromo?"":title}});
+Polymer({
+  is: "cr-toolbar",
+  properties: {
+    pageName: String,
+    searchPrompt: String,
+    clearLabel: String,
+    menuLabel: String,
+    menuPromo: String,
+    spinnerActive: Boolean,
+    showMenu: {type: Boolean, value: false},
+    showMenuPromo: {type: Boolean, value: false},
+    closeMenuPromo: String,
+    narrow_: {type: Boolean, reflectToAttribute: true},
+    showingSearch_: {type: Boolean, reflectToAttribute: true}
+  },
+  observers:
+      ["possiblyShowMenuPromo_(showMenu, showMenuPromo, showingSearch_)"],
+  getSearchField: function() {
+    return this.$.search
+  },
+  onClosePromoTap_: function() {
+    this.fire("cr-toolbar-menu-promo-close")
+  },
+  onMenuTap_: function() {
+    this.fire("cr-toolbar-menu-tap")
+  },
+  possiblyShowMenuPromo_: function() {
+    Polymer.RenderStatus.afterNextRender(this, function() {
+      if (this.showMenu && this.showMenuPromo && !this.showingSearch_) {
+        this.$$("#menuPromo")
+            .animate({opacity: [0, .9]}, {duration: 500, fill: "forwards"});
+        this.fire("cr-toolbar-menu-promo-shown")
+      }
+    }.bind(this))
+  },
+  titleIfNotShowMenuPromo_: function(title, showMenuPromo) {
+    return showMenuPromo ? "" : title
+  }
+});
 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
-cr.define("md_history",function(){function BrowserService(){this.pendingDeleteItems_=null;this.pendingDeletePromise_=null}BrowserService.prototype={deleteItems:function(items){if(this.pendingDeleteItems_!=null){return new Promise(function(resolve,reject){reject(items)})}var removalList=items.map(function(item){return{url:item.url,timestamps:item.allTimestamps}});this.pendingDeleteItems_=items;this.pendingDeletePromise_=new PromiseResolver;chrome.send("removeVisits",removalList);return this.pendingDeletePromise_.promise},removeBookmark:function(url){chrome.send("removeBookmark",[url])},openForeignSessionAllTabs:function(sessionTag){chrome.send("openForeignSession",[sessionTag])},openForeignSessionTab:function(sessionTag,windowId,tabId,e){chrome.send("openForeignSession",[sessionTag,String(windowId),String(tabId),e.button||0,e.altKey,e.ctrlKey,e.metaKey,e.shiftKey])},deleteForeignSession:function(sessionTag){chrome.send("deleteForeignSession",[sessionTag])},openClearBrowsingData:function(){chrome.send("clearBrowsingData")},recordHistogram:function(histogram,value,max){chrome.send("metricsHandler:recordInHistogram",[histogram,value,max])},recordAction:function(action){if(action.indexOf("_")==-1)action="HistoryPage_"+action;chrome.send("metricsHandler:recordAction",[action])},resolveDelete_:function(successful){if(this.pendingDeleteItems_==null||this.pendingDeletePromise_==null){return}if(successful)this.pendingDeletePromise_.resolve(this.pendingDeleteItems_);else this.pendingDeletePromise_.reject(this.pendingDeleteItems_);this.pendingDeleteItems_=null;this.pendingDeletePromise_=null},menuPromoShown:function(){chrome.send("menuPromoShown")}};cr.addSingletonGetter(BrowserService);return{BrowserService:BrowserService}});function deleteComplete(){md_history.BrowserService.getInstance().resolveDelete_(true)}function deleteFailed(){md_history.BrowserService.getInstance().resolveDelete_(false)}
+cr.define("md_history", function() {
+  function BrowserService() {
+    this.pendingDeleteItems_ = null;
+    this.pendingDeletePromise_ = null
+  }
+  BrowserService.prototype = {
+    deleteItems: function(items) {
+      if (this.pendingDeleteItems_ != null) {
+        return new Promise(function(resolve, reject) {
+          reject(items)
+        })
+      }
+      var removalList = items.map(function(item) {
+        return {
+          url: item.url, timestamps: item.allTimestamps
+        }
+      });
+      this.pendingDeleteItems_ = items;
+      this.pendingDeletePromise_ = new PromiseResolver;
+      chrome.send("removeVisits", removalList);
+      return this.pendingDeletePromise_.promise
+    },
+    removeBookmark: function(url) {
+      chrome.send("removeBookmark", [url])
+    },
+    openForeignSessionAllTabs: function(sessionTag) {
+      chrome.send("openForeignSession", [sessionTag])
+    },
+    openForeignSessionTab: function(sessionTag, windowId, tabId, e) {
+      chrome.send("openForeignSession", [
+        sessionTag, String(windowId), String(tabId), e.button || 0, e.altKey,
+        e.ctrlKey, e.metaKey, e.shiftKey
+      ])
+    },
+    deleteForeignSession: function(sessionTag) {
+      chrome.send("deleteForeignSession", [sessionTag])
+    },
+    openClearBrowsingData: function() {
+      chrome.send("clearBrowsingData")
+    },
+    recordHistogram: function(histogram, value, max) {
+      chrome.send("metricsHandler:recordInHistogram", [histogram, value, max])
+    },
+    recordAction: function(action) {
+      if (action.indexOf("_") == -1)
+        action = "HistoryPage_" + action;
+      chrome.send("metricsHandler:recordAction", [action])
+    },
+    resolveDelete_: function(successful) {
+      if (this.pendingDeleteItems_ == null ||
+          this.pendingDeletePromise_ == null) {
+        return
+      }
+      if (successful)
+        this.pendingDeletePromise_.resolve(this.pendingDeleteItems_);
+      else
+        this.pendingDeletePromise_.reject(this.pendingDeleteItems_);
+      this.pendingDeleteItems_ = null;
+      this.pendingDeletePromise_ = null
+    },
+    menuPromoShown: function() {
+      chrome.send("menuPromoShown")
+    }
+  };
+  cr.addSingletonGetter(BrowserService);
+  return {
+    BrowserService: BrowserService
+  }
+});
+function deleteComplete() {
+  md_history.BrowserService.getInstance().resolveDelete_(true)
+}
+function deleteFailed() {
+  md_history.BrowserService.getInstance().resolveDelete_(false)
+}
 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
-Polymer({is:"history-toolbar",properties:{count:{type:Number,value:0,observer:"changeToolbarView_"},itemsSelected_:{type:Boolean,value:false,reflectToAttribute:true},searchTerm:{type:String,observer:"searchTermChanged_",notify:true},spinnerActive:{type:Boolean,value:false},hasDrawer:{type:Boolean,reflectToAttribute:true},isGroupedMode:{type:Boolean,reflectToAttribute:true},groupedRange:{type:Number,reflectToAttribute:true,notify:true},groupedOffset:{type:Number,notify:true},querying:Boolean,hasMoreResults:Boolean,queryStartTime:String,queryEndTime:String,showMenuPromo:Boolean,showSyncNotice:Boolean},get searchField(){return this.$["main-toolbar"].getSearchField()},showSearchField:function(){this.searchField.showAndFocus()},changeToolbarView_:function(){this.itemsSelected_=this.count>0},searchTermChanged_:function(){if(this.searchField.getValue()!=this.searchTerm){this.searchField.showAndFocus();this.searchField.setValue(this.searchTerm)}},onSearchChanged_:function(event){this.searchTerm=event.detail},onInfoButtonTap_:function(){var dropdown=this.$.syncNotice.get();dropdown.positionTarget=this.$$("#info-button-icon");if(dropdown.style.display=="none")dropdown.open()},onClearSelectionTap_:function(){this.fire("unselect-all")},onDeleteTap_:function(){this.fire("delete-selected")},deletingAllowed_:function(){return loadTimeData.getBoolean("allowDeletingHistory")},numberOfItemsSelected_:function(count){return count>0?loadTimeData.getStringF("itemsSelected",count):""},getHistoryInterval_:function(queryStartTime,queryEndTime){return loadTimeData.getStringF("historyInterval",queryStartTime,queryEndTime)},onTodayTap_:function(){if(!this.querying)this.groupedOffset=0},onPrevTap_:function(){if(!this.querying)this.groupedOffset=this.groupedOffset+1},onNextTap_:function(){if(!this.querying)this.groupedOffset=this.groupedOffset-1},isToday_:function(){return this.groupedOffset==0}});(function(){"use strict";Polymer.IronA11yAnnouncer=Polymer({is:"iron-a11y-announcer",properties:{mode:{type:String,value:"polite"},_text:{type:String,value:""}},created:function(){if(!Polymer.IronA11yAnnouncer.instance){Polymer.IronA11yAnnouncer.instance=this}document.body.addEventListener("iron-announce",this._onIronAnnounce.bind(this))},announce:function(text){this._text="";this.async(function(){this._text=text},100)},_onIronAnnounce:function(event){if(event.detail&&event.detail.text){this.announce(event.detail.text)}}});Polymer.IronA11yAnnouncer.instance=null;Polymer.IronA11yAnnouncer.requestAvailability=function(){if(!Polymer.IronA11yAnnouncer.instance){Polymer.IronA11yAnnouncer.instance=document.createElement("iron-a11y-announcer")}document.body.appendChild(Polymer.IronA11yAnnouncer.instance)}})();(function(){var IOS=navigator.userAgent.match(/iP(?:hone|ad;(?: U;)? CPU) OS (\d+)/);var IOS_TOUCH_SCROLLING=IOS&&IOS[1]>=8;var DEFAULT_PHYSICAL_COUNT=3;var HIDDEN_Y="-10000px";var ITEM_WIDTH=0;var ITEM_HEIGHT=1;var SECRET_TABINDEX=-100;Polymer({is:"iron-list",properties:{items:{type:Array},maxPhysicalCount:{type:Number,value:500},as:{type:String,value:"item"},indexAs:{type:String,value:"index"},selectedAs:{type:String,value:"selected"},grid:{type:Boolean,value:false,reflectToAttribute:true},selectionEnabled:{type:Boolean,value:false},selectedItem:{type:Object,notify:true},selectedItems:{type:Object,notify:true},multiSelection:{type:Boolean,value:false}},observers:["_itemsChanged(items.*)","_selectionEnabledChanged(selectionEnabled)","_multiSelectionChanged(multiSelection)","_setOverflow(scrollTarget)"],behaviors:[Polymer.Templatizer,Polymer.IronResizableBehavior,Polymer.IronA11yKeysBehavior,Polymer.IronScrollTargetBehavior],keyBindings:{up:"_didMoveUp",down:"_didMoveDown",enter:"_didEnter"},_ratio:.5,_scrollerPaddingTop:0,_scrollPosition:0,_physicalSize:0,_physicalAverage:0,_physicalAverageCount:0,_physicalTop:0,_virtualCount:0,_physicalIndexForKey:null,_estScrollHeight:0,_scrollHeight:0,_viewportHeight:0,_viewportWidth:0,_physicalItems:null,_physicalSizes:null,_firstVisibleIndexVal:null,_lastVisibleIndexVal:null,_collection:null,_maxPages:2,_focusedItem:null,_focusedIndex:-1,_offscreenFocusedItem:null,_focusBackfillItem:null,_itemsPerRow:1,_itemWidth:0,_rowHeight:0,_templateCost:0,get _physicalBottom(){return this._physicalTop+this._physicalSize},get _scrollBottom(){return this._scrollPosition+this._viewportHeight},get _virtualEnd(){return this._virtualStart+this._physicalCount-1},get _hiddenContentSize(){var size=this.grid?this._physicalRows*this._rowHeight:this._physicalSize;return size-this._viewportHeight},get _maxScrollTop(){return this._estScrollHeight-this._viewportHeight+this._scrollerPaddingTop},_minVirtualStart:0,get _maxVirtualStart(){return Math.max(0,this._virtualCount-this._physicalCount)},_virtualStartVal:0,set _virtualStart(val){this._virtualStartVal=Math.min(this._maxVirtualStart,Math.max(this._minVirtualStart,val))},get _virtualStart(){return this._virtualStartVal||0},_physicalStartVal:0,set _physicalStart(val){this._physicalStartVal=val%this._physicalCount;if(this._physicalStartVal<0){this._physicalStartVal=this._physicalCount+this._physicalStartVal}this._physicalEnd=(this._physicalStart+this._physicalCount-1)%this._physicalCount},get _physicalStart(){return this._physicalStartVal||0},_physicalCountVal:0,set _physicalCount(val){this._physicalCountVal=val;this._physicalEnd=(this._physicalStart+this._physicalCount-1)%this._physicalCount},get _physicalCount(){return this._physicalCountVal},_physicalEnd:0,get _optPhysicalSize(){if(this.grid){return this._estRowsInView*this._rowHeight*this._maxPages}return this._viewportHeight*this._maxPages},get _isVisible(){return Boolean(this.offsetWidth||this.offsetHeight)},get firstVisibleIndex(){if(this._firstVisibleIndexVal===null){var physicalOffset=Math.floor(this._physicalTop+this._scrollerPaddingTop);this._firstVisibleIndexVal=this._iterateItems(function(pidx,vidx){physicalOffset+=this._getPhysicalSizeIncrement(pidx);if(physicalOffset>this._scrollPosition){return this.grid?vidx-vidx%this._itemsPerRow:vidx}if(this.grid&&this._virtualCount-1===vidx){return vidx-vidx%this._itemsPerRow}})||0}return this._firstVisibleIndexVal},get lastVisibleIndex(){if(this._lastVisibleIndexVal===null){if(this.grid){var lastIndex=this.firstVisibleIndex+this._estRowsInView*this._itemsPerRow-1;this._lastVisibleIndexVal=Math.min(this._virtualCount,lastIndex)}else{var physicalOffset=this._physicalTop;this._iterateItems(function(pidx,vidx){if(physicalOffset<this._scrollBottom){this._lastVisibleIndexVal=vidx}else{return true}physicalOffset+=this._getPhysicalSizeIncrement(pidx)})}}return this._lastVisibleIndexVal},get _defaultScrollTarget(){return this},get _virtualRowCount(){return Math.ceil(this._virtualCount/this._itemsPerRow)},get _estRowsInView(){return Math.ceil(this._viewportHeight/this._rowHeight)},get _physicalRows(){return Math.ceil(this._physicalCount/this._itemsPerRow)},ready:function(){this.addEventListener("focus",this._didFocus.bind(this),true)},attached:function(){if(this._physicalCount===0){this._debounceTemplate(this._render)}this.listen(this,"iron-resize","_resizeHandler")},detached:function(){this.unlisten(this,"iron-resize","_resizeHandler")},_setOverflow:function(scrollTarget){this.style.webkitOverflowScrolling=scrollTarget===this?"touch":"";this.style.overflow=scrollTarget===this?"auto":""},updateViewportBoundaries:function(){this._scrollerPaddingTop=this.scrollTarget===this?0:parseInt(window.getComputedStyle(this)["padding-top"],10);this._viewportWidth=this.$.items.offsetWidth;this._viewportHeight=this._scrollTargetHeight;this.grid&&this._updateGridMetrics()},_scrollHandler:function(){var scrollTop=Math.max(0,Math.min(this._maxScrollTop,this._scrollTop));var delta=scrollTop-this._scrollPosition;var isScrollingDown=delta>=0;this._scrollPosition=scrollTop;this._firstVisibleIndexVal=null;this._lastVisibleIndexVal=null;if(Math.abs(delta)>this._physicalSize){var idxAdjustment=Math.round(delta/this._physicalAverage)*this._itemsPerRow;this._physicalTop=this._physicalTop+delta;this._virtualStart=this._virtualStart+idxAdjustment;this._physicalStart=this._physicalStart+idxAdjustment;this._update()}else{var reusables=this._getReusables(isScrollingDown);if(isScrollingDown){this._physicalTop=reusables.physicalTop;this._virtualStart=this._virtualStart+reusables.indexes.length;this._physicalStart=this._physicalStart+reusables.indexes.length}else{this._virtualStart=this._virtualStart-reusables.indexes.length;this._physicalStart=this._physicalStart-reusables.indexes.length}if(reusables.indexes.length===0){this._increasePoolIfNeeded()}else{this._update(reusables.indexes,isScrollingDown?null:reusables.indexes)}}},_getReusables:function(fromTop){var ith,lastIth,offsetContent,physicalItemHeight;var idxs=[];var protectedOffsetContent=this._hiddenContentSize*this._ratio;var virtualStart=this._virtualStart;var virtualEnd=this._virtualEnd;var physicalCount=this._physicalCount;var physicalTop=this._physicalTop+this._scrollerPaddingTop;var scrollTop=this._scrollTop;var scrollBottom=this._scrollBottom;if(fromTop){ith=this._physicalStart;lastIth=this._physicalEnd;offsetContent=scrollTop-physicalTop}else{ith=this._physicalEnd;lastIth=this._physicalStart;offsetContent=this._physicalBottom-scrollBottom}while(true){physicalItemHeight=this._getPhysicalSizeIncrement(ith);offsetContent=offsetContent-physicalItemHeight;if(idxs.length>=physicalCount||offsetContent<=protectedOffsetContent){break}if(fromTop){if(virtualEnd+idxs.length+1>=this._virtualCount){break}if(physicalTop+physicalItemHeight>=scrollTop){break}idxs.push(ith);physicalTop=physicalTop+physicalItemHeight;ith=(ith+1)%physicalCount}else{if(virtualStart-idxs.length<=0){break}if(physicalTop+this._physicalSize-physicalItemHeight<=scrollBottom){break}idxs.push(ith);physicalTop=physicalTop-physicalItemHeight;ith=ith===0?physicalCount-1:ith-1}}return{indexes:idxs,physicalTop:physicalTop-this._scrollerPaddingTop}},_update:function(itemSet,movingUp){if(itemSet&&itemSet.length===0){return}this._manageFocus();this._assignModels(itemSet);this._updateMetrics(itemSet);if(movingUp){while(movingUp.length){var idx=movingUp.pop();this._physicalTop-=this._getPhysicalSizeIncrement(idx)}}this._positionItems();this._updateScrollerSize();this._increasePoolIfNeeded()},_createPool:function(size){var physicalItems=new Array(size);this._ensureTemplatized();for(var i=0;i<size;i++){var inst=this.stamp(null);physicalItems[i]=inst.root.querySelector("*");Polymer.dom(this).appendChild(inst.root)}return physicalItems},_increasePoolIfNeeded:function(){if(this._viewportHeight===0){return false}var self=this;var isClientFull=this._physicalBottom>=this._scrollBottom&&this._physicalTop<=this._scrollPosition;if(this._physicalSize>=this._optPhysicalSize&&isClientFull){return false}var maxPoolSize=Math.round(this._physicalCount*.5);if(!isClientFull){this._debounceTemplate(this._increasePool.bind(this,maxPoolSize));return true}this._yield(function(){self._increasePool(Math.min(maxPoolSize,Math.max(1,Math.round(50/self._templateCost))))});return true},_yield:function(cb){var g=window;var handle=g.requestIdleCallback?g.requestIdleCallback(cb):g.setTimeout(cb,16);Polymer.dom.addDebouncer({complete:function(){g.cancelIdleCallback?g.cancelIdleCallback(handle):g.clearTimeout(handle);cb()}})},_increasePool:function(missingItems){var nextPhysicalCount=Math.min(this._physicalCount+missingItems,this._virtualCount-this._virtualStart,Math.max(this.maxPhysicalCount,DEFAULT_PHYSICAL_COUNT));var prevPhysicalCount=this._physicalCount;var delta=nextPhysicalCount-prevPhysicalCount;var ts=window.performance.now();if(delta<=0){return}[].push.apply(this._physicalItems,this._createPool(delta));[].push.apply(this._physicalSizes,new Array(delta));this._physicalCount=prevPhysicalCount+delta;if(this._physicalStart>this._physicalEnd&&this._isIndexRendered(this._focusedIndex)&&this._getPhysicalIndex(this._focusedIndex)<this._physicalEnd){this._physicalStart=this._physicalStart+delta}this._update();this._templateCost=(window.performance.now()-ts)/delta},_render:function(){if(this.isAttached&&this._isVisible){if(this._physicalCount===0){this.updateViewportBoundaries();this._increasePool(DEFAULT_PHYSICAL_COUNT)}else{var reusables=this._getReusables(true);this._physicalTop=reusables.physicalTop;this._virtualStart=this._virtualStart+reusables.indexes.length;this._physicalStart=this._physicalStart+reusables.indexes.length;this._update(reusables.indexes);this._update()}}},_ensureTemplatized:function(){if(!this.ctor){var props={};props.__key__=true;props[this.as]=true;props[this.indexAs]=true;props[this.selectedAs]=true;props.tabIndex=true;this._instanceProps=props;this._userTemplate=Polymer.dom(this).querySelector("template");if(this._userTemplate){this.templatize(this._userTemplate)}else{console.warn("iron-list requires a template to be provided in light-dom")}}},_getStampedChildren:function(){return this._physicalItems},_forwardInstancePath:function(inst,path,value){if(path.indexOf(this.as+".")===0){this.notifyPath("items."+inst.__key__+"."+path.slice(this.as.length+1),value)}},_forwardParentProp:function(prop,value){if(this._physicalItems){this._physicalItems.forEach(function(item){item._templateInstance[prop]=value},this)}},_forwardParentPath:function(path,value){if(this._physicalItems){this._physicalItems.forEach(function(item){item._templateInstance.notifyPath(path,value,true)},this)}},_forwardItemPath:function(path,value){if(!this._physicalIndexForKey){return}var dot=path.indexOf(".");var key=path.substring(0,dot<0?path.length:dot);var idx=this._physicalIndexForKey[key];var offscreenItem=this._offscreenFocusedItem;var el=offscreenItem&&offscreenItem._templateInstance.__key__===key?offscreenItem:this._physicalItems[idx];if(!el||el._templateInstance.__key__!==key){return}if(dot>=0){path=this.as+"."+path.substring(dot+1);el._templateInstance.notifyPath(path,value,true)}else{var currentItem=el._templateInstance[this.as];if(Array.isArray(this.selectedItems)){for(var i=0;i<this.selectedItems.length;i++){if(this.selectedItems[i]===currentItem){this.set("selectedItems."+i,value);break}}}else if(this.selectedItem===currentItem){this.set("selectedItem",value)}el._templateInstance[this.as]=value}},_itemsChanged:function(change){if(change.path==="items"){this._virtualStart=0;this._physicalTop=0;this._virtualCount=this.items?this.items.length:0;this._collection=this.items?Polymer.Collection.get(this.items):null;this._physicalIndexForKey={};this._firstVisibleIndexVal=null;this._lastVisibleIndexVal=null;this._physicalCount=this._physicalCount||0;this._physicalItems=this._physicalItems||[];this._physicalSizes=this._physicalSizes||[];this._physicalStart=0;this._resetScrollPosition(0);this._removeFocusedItem();this._debounceTemplate(this._render)}else if(change.path==="items.splices"){this._adjustVirtualIndex(change.value.indexSplices);this._virtualCount=this.items?this.items.length:0;this._debounceTemplate(this._render)}else{this._forwardItemPath(change.path.split(".").slice(1).join("."),change.value)}},_adjustVirtualIndex:function(splices){splices.forEach(function(splice){splice.removed.forEach(this._removeItem,this);if(splice.index<this._virtualStart){var delta=Math.max(splice.addedCount-splice.removed.length,splice.index-this._virtualStart);this._virtualStart=this._virtualStart+delta;if(this._focusedIndex>=0){this._focusedIndex=this._focusedIndex+delta}}},this)},_removeItem:function(item){this.$.selector.deselect(item);if(this._focusedItem&&this._focusedItem._templateInstance[this.as]===item){this._removeFocusedItem()}},_iterateItems:function(fn,itemSet){var pidx,vidx,rtn,i;if(arguments.length===2&&itemSet){for(i=0;i<itemSet.length;i++){pidx=itemSet[i];vidx=this._computeVidx(pidx);if((rtn=fn.call(this,pidx,vidx))!=null){return rtn}}}else{pidx=this._physicalStart;vidx=this._virtualStart;for(;pidx<this._physicalCount;pidx++,vidx++){if((rtn=fn.call(this,pidx,vidx))!=null){return rtn}}for(pidx=0;pidx<this._physicalStart;pidx++,vidx++){if((rtn=fn.call(this,pidx,vidx))!=null){return rtn}}}},_computeVidx:function(pidx){if(pidx>=this._physicalStart){return this._virtualStart+(pidx-this._physicalStart)}return this._virtualStart+(this._physicalCount-this._physicalStart)+pidx},_assignModels:function(itemSet){this._iterateItems(function(pidx,vidx){var el=this._physicalItems[pidx];var inst=el._templateInstance;var item=this.items&&this.items[vidx];if(item!=null){inst[this.as]=item;inst.__key__=this._collection.getKey(item);inst[this.selectedAs]=this.$.selector.isSelected(item);inst[this.indexAs]=vidx;inst.tabIndex=this._focusedIndex===vidx?0:-1;this._physicalIndexForKey[inst.__key__]=pidx;el.removeAttribute("hidden")}else{inst.__key__=null;el.setAttribute("hidden","")}},itemSet)},_updateMetrics:function(itemSet){Polymer.dom.flush();var newPhysicalSize=0;var oldPhysicalSize=0;var prevAvgCount=this._physicalAverageCount;var prevPhysicalAvg=this._physicalAverage;this._iterateItems(function(pidx,vidx){oldPhysicalSize+=this._physicalSizes[pidx]||0;this._physicalSizes[pidx]=this._physicalItems[pidx].offsetHeight;newPhysicalSize+=this._physicalSizes[pidx];this._physicalAverageCount+=this._physicalSizes[pidx]?1:0},itemSet);if(this.grid){this._updateGridMetrics();this._physicalSize=Math.ceil(this._physicalCount/this._itemsPerRow)*this._rowHeight}else{this._physicalSize=this._physicalSize+newPhysicalSize-oldPhysicalSize}if(this._physicalAverageCount!==prevAvgCount){this._physicalAverage=Math.round((prevPhysicalAvg*prevAvgCount+newPhysicalSize)/this._physicalAverageCount)}},_updateGridMetrics:function(){this._itemWidth=this._physicalCount>0?this._physicalItems[0].getBoundingClientRect().width:200;this._rowHeight=this._physicalCount>0?this._physicalItems[0].offsetHeight:200;this._itemsPerRow=this._itemWidth?Math.floor(this._viewportWidth/this._itemWidth):this._itemsPerRow},_positionItems:function(){this._adjustScrollPosition();var y=this._physicalTop;if(this.grid){var totalItemWidth=this._itemsPerRow*this._itemWidth;var rowOffset=(this._viewportWidth-totalItemWidth)/2;this._iterateItems(function(pidx,vidx){var modulus=vidx%this._itemsPerRow;var x=Math.floor(modulus*this._itemWidth+rowOffset);this.translate3d(x+"px",y+"px",0,this._physicalItems[pidx]);if(this._shouldRenderNextRow(vidx)){y+=this._rowHeight}})}else{this._iterateItems(function(pidx,vidx){this.translate3d(0,y+"px",0,this._physicalItems[pidx]);y+=this._physicalSizes[pidx]})}},_getPhysicalSizeIncrement:function(pidx){if(!this.grid){return this._physicalSizes[pidx]}if(this._computeVidx(pidx)%this._itemsPerRow!==this._itemsPerRow-1){return 0}return this._rowHeight},_shouldRenderNextRow:function(vidx){return vidx%this._itemsPerRow===this._itemsPerRow-1},_adjustScrollPosition:function(){var deltaHeight=this._virtualStart===0?this._physicalTop:Math.min(this._scrollPosition+this._physicalTop,0);if(deltaHeight){this._physicalTop=this._physicalTop-deltaHeight;if(!IOS_TOUCH_SCROLLING&&this._physicalTop!==0){this._resetScrollPosition(this._scrollTop-deltaHeight)}}},_resetScrollPosition:function(pos){if(this.scrollTarget){this._scrollTop=pos;this._scrollPosition=this._scrollTop}},_updateScrollerSize:function(forceUpdate){if(this.grid){this._estScrollHeight=this._virtualRowCount*this._rowHeight}else{this._estScrollHeight=this._physicalBottom+Math.max(this._virtualCount-this._physicalCount-this._virtualStart,0)*this._physicalAverage}forceUpdate=forceUpdate||this._scrollHeight===0;forceUpdate=forceUpdate||this._scrollPosition>=this._estScrollHeight-this._physicalSize;forceUpdate=forceUpdate||this.grid&&this.$.items.style.height<this._estScrollHeight;if(forceUpdate||Math.abs(this._estScrollHeight-this._scrollHeight)>=this._optPhysicalSize){this.$.items.style.height=this._estScrollHeight+"px";this._scrollHeight=this._estScrollHeight}},scrollToItem:function(item){return this.scrollToIndex(this.items.indexOf(item))},scrollToIndex:function(idx){if(typeof idx!=="number"||idx<0||idx>this.items.length-1){return}Polymer.dom.flush();if(this._physicalCount===0){return}idx=Math.min(Math.max(idx,0),this._virtualCount-1);if(!this._isIndexRendered(idx)||idx>=this._maxVirtualStart){this._virtualStart=this.grid?idx-this._itemsPerRow*2:idx-1}this._manageFocus();this._assignModels();this._updateMetrics();this._physicalTop=Math.floor(this._virtualStart/this._itemsPerRow)*this._physicalAverage;var currentTopItem=this._physicalStart;var currentVirtualItem=this._virtualStart;var targetOffsetTop=0;var hiddenContentSize=this._hiddenContentSize;while(currentVirtualItem<idx&&targetOffsetTop<=hiddenContentSize){targetOffsetTop=targetOffsetTop+this._getPhysicalSizeIncrement(currentTopItem);currentTopItem=(currentTopItem+1)%this._physicalCount;currentVirtualItem++}this._updateScrollerSize(true);this._positionItems();this._resetScrollPosition(this._physicalTop+this._scrollerPaddingTop+targetOffsetTop);this._increasePoolIfNeeded();this._firstVisibleIndexVal=null;this._lastVisibleIndexVal=null},_resetAverage:function(){this._physicalAverage=0;this._physicalAverageCount=0},_resizeHandler:function(){var delta=Math.abs(this._viewportHeight-this._scrollTargetHeight);if(IOS&&delta>0&&delta<100){return}Polymer.dom.addDebouncer(this.debounce("_debounceTemplate",function(){this.updateViewportBoundaries();this._render();if(this._isVisible){this.toggleScrollListener(true);if(this._physicalCount>0){this._resetAverage();this.scrollToIndex(this.firstVisibleIndex)}}else{this.toggleScrollListener(false)}}.bind(this),1))},_getModelFromItem:function(item){var key=this._collection.getKey(item);var pidx=this._physicalIndexForKey[key];if(pidx!=null){return this._physicalItems[pidx]._templateInstance}return null},_getNormalizedItem:function(item){if(this._collection.getKey(item)===undefined){if(typeof item==="number"){item=this.items[item];if(!item){throw new RangeError("<item> not found")}return item}throw new TypeError("<item> should be a valid item")}return item},selectItem:function(item){item=this._getNormalizedItem(item);var model=this._getModelFromItem(item);if(!this.multiSelection&&this.selectedItem){this.deselectItem(this.selectedItem)}if(model){model[this.selectedAs]=true}this.$.selector.select(item);this.updateSizeForItem(item)},deselectItem:function(item){item=this._getNormalizedItem(item);var model=this._getModelFromItem(item);if(model){model[this.selectedAs]=false}this.$.selector.deselect(item);this.updateSizeForItem(item)},toggleSelectionForItem:function(item){item=this._getNormalizedItem(item);if(this.$.selector.isSelected(item)){this.deselectItem(item)}else{this.selectItem(item)}},clearSelection:function(){function unselect(item){var model=this._getModelFromItem(item);if(model){model[this.selectedAs]=false}}if(Array.isArray(this.selectedItems)){this.selectedItems.forEach(unselect,this)}else if(this.selectedItem){unselect.call(this,this.selectedItem)}this.$.selector.clearSelection()},_selectionEnabledChanged:function(selectionEnabled){var handler=selectionEnabled?this.listen:this.unlisten;handler.call(this,this,"tap","_selectionHandler")},_selectionHandler:function(e){var model=this.modelForElement(e.target);if(!model){return}var modelTabIndex,activeElTabIndex;var target=Polymer.dom(e).path[0];var activeEl=Polymer.dom(this.domHost?this.domHost.root:document).activeElement;var physicalItem=this._physicalItems[this._getPhysicalIndex(model[this.indexAs])];if(target.localName==="input"||target.localName==="button"||target.localName==="select"){return}modelTabIndex=model.tabIndex;model.tabIndex=SECRET_TABINDEX;activeElTabIndex=activeEl?activeEl.tabIndex:-1;model.tabIndex=modelTabIndex;if(activeEl&&physicalItem!==activeEl&&physicalItem.contains(activeEl)&&activeElTabIndex!==SECRET_TABINDEX){return}this.toggleSelectionForItem(model[this.as])},_multiSelectionChanged:function(multiSelection){this.clearSelection();this.$.selector.multi=multiSelection},updateSizeForItem:function(item){item=this._getNormalizedItem(item);var key=this._collection.getKey(item);var pidx=this._physicalIndexForKey[key];if(pidx!=null){this._updateMetrics([pidx]);this._positionItems()}},_manageFocus:function(){var fidx=this._focusedIndex;if(fidx>=0&&fidx<this._virtualCount){if(this._isIndexRendered(fidx)){this._restoreFocusedItem()}else{this._createFocusBackfillItem()}}else if(this._virtualCount>0&&this._physicalCount>0){this._focusedIndex=this._virtualStart;this._focusedItem=this._physicalItems[this._physicalStart]}},_isIndexRendered:function(idx){return idx>=this._virtualStart&&idx<=this._virtualEnd},_isIndexVisible:function(idx){return idx>=this.firstVisibleIndex&&idx<=this.lastVisibleIndex},_getPhysicalIndex:function(idx){return this._physicalIndexForKey[this._collection.getKey(this._getNormalizedItem(idx))]},_focusPhysicalItem:function(idx){if(idx<0||idx>=this._virtualCount){return}this._restoreFocusedItem();if(!this._isIndexRendered(idx)){this.scrollToIndex(idx)}var physicalItem=this._physicalItems[this._getPhysicalIndex(idx)];var model=physicalItem._templateInstance;var focusable;model.tabIndex=SECRET_TABINDEX;if(physicalItem.tabIndex===SECRET_TABINDEX){focusable=physicalItem}if(!focusable){focusable=Polymer.dom(physicalItem).querySelector('[tabindex="'+SECRET_TABINDEX+'"]')}model.tabIndex=0;this._focusedIndex=idx;focusable&&focusable.focus()},_removeFocusedItem:function(){if(this._offscreenFocusedItem){Polymer.dom(this).removeChild(this._offscreenFocusedItem)}this._offscreenFocusedItem=null;this._focusBackfillItem=null;this._focusedItem=null;this._focusedIndex=-1},_createFocusBackfillItem:function(){var fidx=this._focusedIndex;var pidx=this._getPhysicalIndex(fidx);if(this._offscreenFocusedItem||pidx==null||fidx<0){return}if(!this._focusBackfillItem){var stampedTemplate=this.stamp(null);this._focusBackfillItem=stampedTemplate.root.querySelector("*");Polymer.dom(this).appendChild(stampedTemplate.root)}this._offscreenFocusedItem=this._physicalItems[pidx];this._offscreenFocusedItem._templateInstance.tabIndex=0;this._physicalItems[pidx]=this._focusBackfillItem;this.translate3d(0,HIDDEN_Y,0,this._offscreenFocusedItem)},_restoreFocusedItem:function(){var pidx,fidx=this._focusedIndex;if(!this._offscreenFocusedItem||this._focusedIndex<0){return}this._assignModels();pidx=this._getPhysicalIndex(fidx);if(pidx!=null){this._focusBackfillItem=this._physicalItems[pidx];this._focusBackfillItem._templateInstance.tabIndex=-1;this._physicalItems[pidx]=this._offscreenFocusedItem;this._offscreenFocusedItem=null;this.translate3d(0,HIDDEN_Y,0,this._focusBackfillItem)}},_didFocus:function(e){var targetModel=this.modelForElement(e.target);var focusedModel=this._focusedItem?this._focusedItem._templateInstance:null;var hasOffscreenFocusedItem=this._offscreenFocusedItem!==null;var fidx=this._focusedIndex;if(!targetModel||!focusedModel){return}if(focusedModel===targetModel){if(!this._isIndexVisible(fidx)){this.scrollToIndex(fidx)}}else{this._restoreFocusedItem();focusedModel.tabIndex=-1;targetModel.tabIndex=0;fidx=targetModel[this.indexAs];this._focusedIndex=fidx;this._focusedItem=this._physicalItems[this._getPhysicalIndex(fidx)];if(hasOffscreenFocusedItem&&!this._offscreenFocusedItem){this._update()}}},_didMoveUp:function(){this._focusPhysicalItem(this._focusedIndex-1)},_didMoveDown:function(e){e.detail.keyboardEvent.preventDefault();this._focusPhysicalItem(this._focusedIndex+1)},_didEnter:function(e){this._focusPhysicalItem(this._focusedIndex);this._selectionHandler(e.detail.keyboardEvent)}})})();Polymer({is:"iron-scroll-threshold",properties:{upperThreshold:{type:Number,value:100},lowerThreshold:{type:Number,value:100},upperTriggered:{type:Boolean,value:false,notify:true,readOnly:true},lowerTriggered:{type:Boolean,value:false,notify:true,readOnly:true},horizontal:{type:Boolean,value:false}},behaviors:[Polymer.IronScrollTargetBehavior],observers:["_setOverflow(scrollTarget)","_initCheck(horizontal, isAttached)"],get _defaultScrollTarget(){return this},_setOverflow:function(scrollTarget){this.style.overflow=scrollTarget===this?"auto":""},_scrollHandler:function(){var THROTTLE_THRESHOLD=200;if(!this.isDebouncerActive("_checkTheshold")){this.debounce("_checkTheshold",function(){this.checkScrollThesholds()},THROTTLE_THRESHOLD)}},_initCheck:function(horizontal,isAttached){if(isAttached){this.debounce("_init",function(){this.clearTriggers();this.checkScrollThesholds()})}},checkScrollThesholds:function(){if(!this.scrollTarget||this.lowerTriggered&&this.upperTriggered){return}var upperScrollValue=this.horizontal?this._scrollLeft:this._scrollTop;var lowerScrollValue=this.horizontal?this.scrollTarget.scrollWidth-this._scrollTargetWidth-this._scrollLeft:this.scrollTarget.scrollHeight-this._scrollTargetHeight-this._scrollTop;if(upperScrollValue<=this.upperThreshold&&!this.upperTriggered){this._setUpperTriggered(true);this.fire("upper-threshold")}if(lowerScrollValue<=this.lowerThreshold&&!this.lowerTriggered){this._setLowerTriggered(true);this.fire("lower-threshold")}},clearTriggers:function(){this._setUpperTriggered(false);this._setLowerTriggered(false)}});
+Polymer({
+  is: "history-toolbar",
+  properties: {
+    count: {type: Number, value: 0, observer: "changeToolbarView_"},
+    itemsSelected_: {type: Boolean, value: false, reflectToAttribute: true},
+    searchTerm: {type: String, observer: "searchTermChanged_", notify: true},
+    spinnerActive: {type: Boolean, value: false},
+    hasDrawer: {type: Boolean, reflectToAttribute: true},
+    isGroupedMode: {type: Boolean, reflectToAttribute: true},
+    groupedRange: {type: Number, reflectToAttribute: true, notify: true},
+    groupedOffset: {type: Number, notify: true},
+    querying: Boolean,
+    hasMoreResults: Boolean,
+    queryStartTime: String,
+    queryEndTime: String,
+    showMenuPromo: Boolean,
+    showSyncNotice: Boolean
+  },
+  get searchField() {
+    return this.$["main-toolbar"].getSearchField()
+  },
+  showSearchField: function() {
+    this.searchField.showAndFocus()
+  },
+  changeToolbarView_: function() {
+    this.itemsSelected_ = this.count > 0
+  },
+  searchTermChanged_: function() {
+    if (this.searchField.getValue() != this.searchTerm) {
+      this.searchField.showAndFocus();
+      this.searchField.setValue(this.searchTerm)
+    }
+  },
+  onSearchChanged_: function(event) {
+    this.searchTerm = event.detail
+  },
+  onInfoButtonTap_: function() {
+    var dropdown = this.$.syncNotice.get();
+    dropdown.positionTarget = this.$$("#info-button-icon");
+    if (dropdown.style.display == "none")
+      dropdown.open()
+  },
+  onClearSelectionTap_: function() {
+    this.fire("unselect-all")
+  },
+  onDeleteTap_: function() {
+    this.fire("delete-selected")
+  },
+  deletingAllowed_: function() {
+    return loadTimeData.getBoolean("allowDeletingHistory")
+  },
+  numberOfItemsSelected_: function(count) {
+    return count > 0 ? loadTimeData.getStringF("itemsSelected", count) : ""
+  },
+  getHistoryInterval_: function(queryStartTime, queryEndTime) {
+    return loadTimeData.getStringF(
+        "historyInterval", queryStartTime, queryEndTime)
+  },
+  onTodayTap_: function() {
+    if (!this.querying)
+      this.groupedOffset = 0
+  },
+  onPrevTap_: function() {
+    if (!this.querying)
+      this.groupedOffset = this.groupedOffset + 1
+  },
+  onNextTap_: function() {
+    if (!this.querying)
+      this.groupedOffset = this.groupedOffset - 1
+  },
+  isToday_: function() {
+    return this.groupedOffset == 0
+  }
+});
+(function() {
+  "use strict";
+  Polymer.IronA11yAnnouncer = Polymer({
+    is: "iron-a11y-announcer",
+    properties: {
+      mode: {type: String, value: "polite"},
+      _text: {type: String, value: ""}
+    },
+    created: function() {
+      if (!Polymer.IronA11yAnnouncer.instance) {
+        Polymer.IronA11yAnnouncer.instance = this
+      }
+      document.body.addEventListener(
+          "iron-announce", this._onIronAnnounce.bind(this))
+    },
+    announce: function(text) {
+      this._text = "";
+      this.async(function() {
+        this._text = text
+      }, 100)
+    },
+    _onIronAnnounce: function(event) {
+      if (event.detail && event.detail.text) {
+        this.announce(event.detail.text)
+      }
+    }
+  });
+  Polymer.IronA11yAnnouncer.instance = null;
+  Polymer.IronA11yAnnouncer.requestAvailability = function() {
+    if (!Polymer.IronA11yAnnouncer.instance) {
+      Polymer.IronA11yAnnouncer.instance =
+          document.createElement("iron-a11y-announcer")
+    }
+    document.body.appendChild(Polymer.IronA11yAnnouncer.instance)
+  }
+})();
+(function() {
+  var IOS = navigator.userAgent.match(/iP(?:hone|ad;(?: U;)? CPU) OS (\d+)/);
+  var IOS_TOUCH_SCROLLING = IOS && IOS[1] >= 8;
+  var DEFAULT_PHYSICAL_COUNT = 3;
+  var HIDDEN_Y = "-10000px";
+  var ITEM_WIDTH = 0;
+  var ITEM_HEIGHT = 1;
+  var SECRET_TABINDEX = -100;
+  Polymer({is:"iron-list",properties:{items:{type:Array},maxPhysicalCount:{type:Number,value:500},as:{type:String,value:"item"},indexAs:{type:String,value:"index"},selectedAs:{type:String,value:"selected"},grid:{type:Boolean,value:false,reflectToAttribute:true},selectionEnabled:{type:Boolean,value:false},selectedItem:{type:Object,notify:true},selectedItems:{type:Object,notify:true},multiSelection:{type:Boolean,value:false}},observers:["_itemsChanged(items.*)","_selectionEnabledChanged(selectionEnabled)","_multiSelectionChanged(multiSelection)","_setOverflow(scrollTarget)"],behaviors:[Polymer.Templatizer,Polymer.IronResizableBehavior,Polymer.IronA11yKeysBehavior,Polymer.IronScrollTargetBehavior],keyBindings:{up:"_didMoveUp",down:"_didMoveDown",enter:"_didEnter"},_ratio:.5,_scrollerPaddingTop:0,_scrollPosition:0,_physicalSize:0,_physicalAverage:0,_physicalAverageCount:0,_physicalTop:0,_virtualCount:0,_physicalIndexForKey:null,_estScrollHeight:0,_scrollHeight:0,_viewportHeight:0,_viewportWidth:0,_physicalItems:null,_physicalSizes:null,_firstVisibleIndexVal:null,_lastVisibleIndexVal:null,_collection:null,_maxPages:2,_focusedItem:null,_focusedIndex:-1,_offscreenFocusedItem:null,_focusBackfillItem:null,_itemsPerRow:1,_itemWidth:0,_rowHeight:0,_templateCost:0,get _physicalBottom(){return this._physicalTop+this._physicalSize},get _scrollBottom(){return this._scrollPosition+this._viewportHeight},get _virtualEnd(){return this._virtualStart+this._physicalCount-1},get _hiddenContentSize(){var size=this.grid?this._physicalRows*this._rowHeight:this._physicalSize;return size-this._viewportHeight},get _maxScrollTop(){return this._estScrollHeight-this._viewportHeight+this._scrollerPaddingTop},_minVirtualStart:0,get _maxVirtualStart(){return Math.max(0,this._virtualCount-this._physicalCount)},_virtualStartVal:0,set _virtualStart(val){this._virtualStartVal=Math.min(this._maxVirtualStart,Math.max(this._minVirtualStart,val))},get _virtualStart(){return this._virtualStartVal||0},_physicalStartVal:0,set _physicalStart(val){this._physicalStartVal=val%this._physicalCount;if(this._physicalStartVal<0){this._physicalStartVal=this._physicalCount+this._physicalStartVal}this._physicalEnd=(this._physicalStart+this._physicalCount-1)%this._physicalCount},get _physicalStart(){return this._physicalStartVal||0},_physicalCountVal:0,set _physicalCount(val){this._physicalCountVal=val;this._physicalEnd=(this._physicalStart+this._physicalCount-1)%this._physicalCount},get _physicalCount(){return this._physicalCountVal},_physicalEnd:0,get _optPhysicalSize(){if(this.grid){return this._estRowsInView*this._rowHeight*this._maxPages}return this._viewportHeight*this._maxPages},get _isVisible(){return Boolean(this.offsetWidth||this.offsetHeight)},get firstVisibleIndex(){if(this._firstVisibleIndexVal===null){var physicalOffset=Math.floor(this._physicalTop+this._scrollerPaddingTop);this._firstVisibleIndexVal=this._iterateItems(function(pidx,vidx){physicalOffset+=this._getPhysicalSizeIncrement(pidx);if(physicalOffset>this._scrollPosition){return this.grid?vidx-vidx%this._itemsPerRow:vidx}if(this.grid&&this._virtualCount-1===vidx){return vidx-vidx%this._itemsPerRow}})||0}return this._firstVisibleIndexVal},get lastVisibleIndex(){if(this._lastVisibleIndexVal===null){if(this.grid){var lastIndex=this.firstVisibleIndex+this._estRowsInView*this._itemsPerRow-1;this._lastVisibleIndexVal=Math.min(this._virtualCount,lastIndex)}else{var physicalOffset=this._physicalTop;this._iterateItems(function(pidx,vidx){if(physicalOffset<this._scrollBottom){this._lastVisibleIndexVal=vidx}else{return true}physicalOffset+=this._getPhysicalSizeIncrement(pidx)})}}return this._lastVisibleIndexVal},get _defaultScrollTarget(){return this},get _virtualRowCount(){return Math.ceil(this._virtualCount/this._itemsPerRow)},get _estRowsInView(){return Math.ceil(this._viewportHeight/this._rowHeight)},get _physicalRows(){return Math.ceil(this._physicalCount/this._itemsPerRow)},ready:function(){this.addEventListener("focus",this._didFocus.bind(this),true)},attached:function(){if(this._physicalCount===0){this._debounceTemplate(this._render)}this.listen(this,"iron-resize","_resizeHandler")},detached:function(){this.unlisten(this,"iron-resize","_resizeHandler")},_setOverflow:function(scrollTarget){this.style.webkitOverflowScrolling=scrollTarget===this?"touch":"";this.style.overflow=scrollTarget===this?"auto":""},updateViewportBoundaries:function(){this._scrollerPaddingTop=this.scrollTarget===this?0:parseInt(window.getComputedStyle(this)["padding-top"],10);this._viewportWidth=this.$.items.offsetWidth;this._viewportHeight=this._scrollTargetHeight;this.grid&&this._updateGridMetrics()},_scrollHandler:function(){var scrollTop=Math.max(0,Math.min(this._maxScrollTop,this._scrollTop));var delta=scrollTop-this._scrollPosition;var isScrollingDown=delta>=0;this._scrollPosition=scrollTop;this._firstVisibleIndexVal=null;this._lastVisibleIndexVal=null;if(Math.abs(delta)>this._physicalSize){var idxAdjustment=Math.round(delta/this._physicalAverage)*this._itemsPerRow;this._physicalTop=this._physicalTop+delta;this._virtualStart=this._virtualStart+idxAdjustment;this._physicalStart=this._physicalStart+idxAdjustment;this._update()}else{var reusables=this._getReusables(isScrollingDown);if(isScrollingDown){this._physicalTop=reusables.physicalTop;this._virtualStart=this._virtualStart+reusables.indexes.length;this._physicalStart=this._physicalStart+reusables.indexes.length}else{this._virtualStart=this._virtualStart-reusables.indexes.length;this._physicalStart=this._physicalStart-reusables.indexes.length}if(reusables.indexes.length===0){this._increasePoolIfNeeded()}else{this._update(reusables.indexes,isScrollingDown?null:reusables.indexes)}}},_getReusables:function(fromTop){var ith,lastIth,offsetContent,physicalItemHeight;var idxs=[];var protectedOffsetContent=this._hiddenContentSize*this._ratio;var virtualStart=this._virtualStart;var virtualEnd=this._virtualEnd;var physicalCount=this._physicalCount;var physicalTop=this._physicalTop+this._scrollerPaddingTop;var scrollTop=this._scrollTop;var scrollBottom=this._scrollBottom;if(fromTop){ith=this._physicalStart;lastIth=this._physicalEnd;offsetContent=scrollTop-physicalTop}else{ith=this._physicalEnd;lastIth=this._physicalStart;offsetContent=this._physicalBottom-scrollBottom}while(true){physicalItemHeight=this._getPhysicalSizeIncrement(ith);offsetContent=offsetContent-physicalItemHeight;if(idxs.length>=physicalCount||offsetContent<=protectedOffsetContent){break}if(fromTop){if(virtualEnd+idxs.length+1>=this._virtualCount){break}if(physicalTop+physicalItemHeight>=scrollTop){break}idxs.push(ith);physicalTop=physicalTop+physicalItemHeight;ith=(ith+1)%physicalCount}else{if(virtualStart-idxs.length<=0){break}if(physicalTop+this._physicalSize-physicalItemHeight<=scrollBottom){break}idxs.push(ith);physicalTop=physicalTop-physicalItemHeight;ith=ith===0?physicalCount-1:ith-1}}return{indexes:idxs,physicalTop:physicalTop-this._scrollerPaddingTop}},_update:function(itemSet,movingUp){if(itemSet&&itemSet.length===0){return}this._manageFocus();this._assignModels(itemSet);this._updateMetrics(itemSet);if(movingUp){while(movingUp.length){var idx=movingUp.pop();this._physicalTop-=this._getPhysicalSizeIncrement(idx)}}this._positionItems();this._updateScrollerSize();this._increasePoolIfNeeded()},_createPool:function(size){var physicalItems=new Array(size);this._ensureTemplatized();for(var i=0;i<size;i++){var inst=this.stamp(null);physicalItems[i]=inst.root.querySelector("*");Polymer.dom(this).appendChild(inst.root)}return physicalItems},_increasePoolIfNeeded:function(){if(this._viewportHeight===0){return false}var self=this;var isClientFull=this._physicalBottom>=this._scrollBottom&&this._physicalTop<=this._scrollPosition;if(this._physicalSize>=this._optPhysicalSize&&isClientFull){return false}var maxPoolSize=Math.round(this._physicalCount*.5);if(!isClientFull){this._debounceTemplate(this._increasePool.bind(this,maxPoolSize));return true}this._yield(function(){self._increasePool(Math.min(maxPoolSize,Math.max(1,Math.round(50/self._templateCost))))});return true},_yield:function(cb){var g=window;var handle=g.requestIdleCallback?g.requestIdleCallback(cb):g.setTimeout(cb,16);Polymer.dom.addDebouncer({complete:function(){g.cancelIdleCallback?g.cancelIdleCallback(handle):g.clearTimeout(handle);cb()}})},_increasePool:function(missingItems){var nextPhysicalCount=Math.min(this._physicalCount+missingItems,this._virtualCount-this._virtualStart,Math.max(this.maxPhysicalCount,DEFAULT_PHYSICAL_COUNT));var prevPhysicalCount=this._physicalCount;var delta=nextPhysicalCount-prevPhysicalCount;var ts=window.performance.now();if(delta<=0){return}[].push.apply(this._physicalItems,this._createPool(delta));[].push.apply(this._physicalSizes,new Array(delta));this._physicalCount=prevPhysicalCount+delta;if(this._physicalStart>this._physicalEnd&&this._isIndexRendered(this._focusedIndex)&&this._getPhysicalIndex(this._focusedIndex)<this._physicalEnd){this._physicalStart=this._physicalStart+delta}this._update();this._templateCost=(window.performance.now()-ts)/delta},_render:function(){if(this.isAttached&&this._isVisible){if(this._physicalCount===0){this.updateViewportBoundaries();this._increasePool(DEFAULT_PHYSICAL_COUNT)}else{var reusables=this._getReusables(true);this._physicalTop=reusables.physicalTop;this._virtualStart=this._virtualStart+reusables.indexes.length;this._physicalStart=this._physicalStart+reusables.indexes.length;this._update(reusables.indexes);this._update()}}},_ensureTemplatized:function(){if(!this.ctor){var props={};props.__key__=true;props[this.as]=true;props[this.indexAs]=true;props[this.selectedAs]=true;props.tabIndex=true;this._instanceProps=props;this._userTemplate=Polymer.dom(this).querySelector("template");if(this._userTemplate){this.templatize(this._userTemplate)}else{console.warn("iron-list requires a template to be provided in light-dom")}}},_getStampedChildren:function(){return this._physicalItems},_forwardInstancePath:function(inst,path,value){if(path.indexOf(this.as+".")===0){this.notifyPath("items."+inst.__key__+"."+path.slice(this.as.length+1),value)}},_forwardParentProp:function(prop,value){if(this._physicalItems){this._physicalItems.forEach(function(item){item._templateInstance[prop]=value},this)}},_forwardParentPath:function(path,value){if(this._physicalItems){this._physicalItems.forEach(function(item){item._templateInstance.notifyPath(path,value,true)},this)}},_forwardItemPath:function(path,value){if(!this._physicalIndexForKey){return}var dot=path.indexOf(".");var key=path.substring(0,dot<0?path.length:dot);var idx=this._physicalIndexForKey[key];var offscreenItem=this._offscreenFocusedItem;var el=offscreenItem&&offscreenItem._templateInstance.__key__===key?offscreenItem:this._physicalItems[idx];if(!el||el._templateInstance.__key__!==key){return}if(dot>=0){path=this.as+"."+path.substring(dot+1);el._templateInstance.notifyPath(path,value,true)}else{var currentItem=el._templateInstance[this.as];if(Array.isArray(this.selectedItems)){for(var i=0;i<this.selectedItems.length;i++){if(this.selectedItems[i]===currentItem){this.set("selectedItems."+i,value);break}}}else if(this.selectedItem===currentItem){this.set("selectedItem",value)}el._templateInstance[this.as]=value}},_itemsChanged:function(change){if(change.path==="items"){this._virtualStart=0;this._physicalTop=0;this._virtualCount=this.items?this.items.length:0;this._collection=this.items?Polymer.Collection.get(this.items):null;this._physicalIndexForKey={};this._firstVisibleIndexVal=null;this._lastVisibleIndexVal=null;this._physicalCount=this._physicalCount||0;this._physicalItems=this._physicalItems||[];this._physicalSizes=this._physicalSizes||[];this._physicalStart=0;this._resetScrollPosition(0);this._removeFocusedItem();this._debounceTemplate(this._render)}else if(change.path==="items.splices"){this._adjustVirtualIndex(change.value.indexSplices);this._virtualCount=this.items?this.items.length:0;this._debounceTemplate(this._render)}else{this._forwardItemPath(change.path.split(".").slice(1).join("."),change.value)}},_adjustVirtualIndex:function(splices){splices.forEach(function(splice){splice.removed.forEach(this._removeItem,this);if(splice.index<this._virtualStart){var delta=Math.max(splice.addedCount-splice.removed.length,splice.index-this._virtualStart);this._virtualStart=this._virtualStart+delta;if(this._focusedIndex>=0){this._focusedIndex=this._focusedIndex+delta}}},this)},_removeItem:function(item){this.$.selector.deselect(item);if(this._focusedItem&&this._focusedItem._templateInstance[this.as]===item){this._removeFocusedItem()}},_iterateItems:function(fn,itemSet){var pidx,vidx,rtn,i;if(arguments.length===2&&itemSet){for(i=0;i<itemSet.length;i++){pidx=itemSet[i];vidx=this._computeVidx(pidx);if((rtn=fn.call(this,pidx,vidx))!=null){return rtn}}}else{pidx=this._physicalStart;vidx=this._virtualStart;for(;pidx<this._physicalCount;pidx++,vidx++){if((rtn=fn.call(this,pidx,vidx))!=null){return rtn}}for(pidx=0;pidx<this._physicalStart;pidx++,vidx++){if((rtn=fn.call(this,pidx,vidx))!=null){return rtn}}}},_computeVidx:function(pidx){if(pidx>=this._physicalStart){return this._virtualStart+(pidx-this._physicalStart)}return this._virtualStart+(this._physicalCount-this._physicalStart)+pidx},_assignModels:function(itemSet){this._iterateItems(function(pidx,vidx){var el=this._physicalItems[pidx];var inst=el._templateInstance;var item=this.items&&this.items[vidx];if(item!=null){inst[this.as]=item;inst.__key__=this._collection.getKey(item);inst[this.selectedAs]=this.$.selector.isSelected(item);inst[this.indexAs]=vidx;inst.tabIndex=this._focusedIndex===vidx?0:-1;this._physicalIndexForKey[inst.__key__]=pidx;el.removeAttribute("hidden")}else{inst.__key__=null;el.setAttribute("hidden","")}},itemSet)},_updateMetrics:function(itemSet){Polymer.dom.flush();var newPhysicalSize=0;var oldPhysicalSize=0;var prevAvgCount=this._physicalAverageCount;var prevPhysicalAvg=this._physicalAverage;this._iterateItems(function(pidx,vidx){oldPhysicalSize+=this._physicalSizes[pidx]||0;this._physicalSizes[pidx]=this._physicalItems[pidx].offsetHeight;newPhysicalSize+=this._physicalSizes[pidx];this._physicalAverageCount+=this._physicalSizes[pidx]?1:0},itemSet);if(this.grid){this._updateGridMetrics();this._physicalSize=Math.ceil(this._physicalCount/this._itemsPerRow)*this._rowHeight}else{this._physicalSize=this._physicalSize+newPhysicalSize-oldPhysicalSize}if(this._physicalAverageCount!==prevAvgCount){this._physicalAverage=Math.round((prevPhysicalAvg*prevAvgCount+newPhysicalSize)/this._physicalAverageCount)}},_updateGridMetrics:function(){this._itemWidth=this._physicalCount>0?this._physicalItems[0].getBoundingClientRect().width:200;this._rowHeight=this._physicalCount>0?this._physicalItems[0].offsetHeight:200;this._itemsPerRow=this._itemWidth?Math.floor(this._viewportWidth/this._itemWidth):this._itemsPerRow},_positionItems:function(){this._adjustScrollPosition();var y=this._physicalTop;if(this.grid){var totalItemWidth=this._itemsPerRow*this._itemWidth;var rowOffset=(this._viewportWidth-totalItemWidth)/2;this._iterateItems(function(pidx,vidx){var modulus=vidx%this._itemsPerRow;var x=Math.floor(modulus*this._itemWidth+rowOffset);this.translate3d(x+"px",y+"px",0,this._physicalItems[pidx]);if(this._shouldRenderNextRow(vidx)){y+=this._rowHeight}})}else{this._iterateItems(function(pidx,vidx){this.translate3d(0,y+"px",0,this._physicalItems[pidx]);y+=this._physicalSizes[pidx]})}},_getPhysicalSizeIncrement:function(pidx){if(!this.grid){return this._physicalSizes[pidx]}if(this._computeVidx(pidx)%this._itemsPerRow!==this._itemsPerRow-1){return 0}return this._rowHeight},_shouldRenderNextRow:function(vidx){return vidx%this._itemsPerRow===this._itemsPerRow-1},_adjustScrollPosition:function(){var deltaHeight=this._virtualStart===0?this._physicalTop:Math.min(this._scrollPosition+this._physicalTop,0);if(deltaHeight){this._physicalTop=this._physicalTop-deltaHeight;if(!IOS_TOUCH_SCROLLING&&this._physicalTop!==0){this._resetScrollPosition(this._scrollTop-deltaHeight)}}},_resetScrollPosition:function(pos){if(this.scrollTarget){this._scrollTop=pos;this._scrollPosition=this._scrollTop}},_updateScrollerSize:function(forceUpdate){if(this.grid){this._estScrollHeight=this._virtualRowCount*this._rowHeight}else{this._estScrollHeight=this._physicalBottom+Math.max(this._virtualCount-this._physicalCount-this._virtualStart,0)*this._physicalAverage}forceUpdate=forceUpdate||this._scrollHeight===0;forceUpdate=forceUpdate||this._scrollPosition>=this._estScrollHeight-this._physicalSize;forceUpdate=forceUpdate||this.grid&&this.$.items.style.height<this._estScrollHeight;if(forceUpdate||Math.abs(this._estScrollHeight-this._scrollHeight)>=this._optPhysicalSize){this.$.items.style.height=this._estScrollHeight+"px";this._scrollHeight=this._estScrollHeight}},scrollToItem:function(item){return this.scrollToIndex(this.items.indexOf(item))},scrollToIndex:function(idx){if(typeof idx!=="number"||idx<0||idx>this.items.length-1){return}Polymer.dom.flush();if(this._physicalCount===0){return}idx=Math.min(Math.max(idx,0),this._virtualCount-1);if(!this._isIndexRendered(idx)||idx>=this._maxVirtualStart){this._virtualStart=this.grid?idx-this._itemsPerRow*2:idx-1}this._manageFocus();this._assignModels();this._updateMetrics();this._physicalTop=Math.floor(this._virtualStart/this._itemsPerRow)*this._physicalAverage;var currentTopItem=this._physicalStart;var currentVirtualItem=this._virtualStart;var targetOffsetTop=0;var hiddenContentSize=this._hiddenContentSize;while(currentVirtualItem<idx&&targetOffsetTop<=hiddenContentSize){targetOffsetTop=targetOffsetTop+this._getPhysicalSizeIncrement(currentTopItem);currentTopItem=(currentTopItem+1)%this._physicalCount;currentVirtualItem++}this._updateScrollerSize(true);this._positionItems();this._resetScrollPosition(this._physicalTop+this._scrollerPaddingTop+targetOffsetTop);this._increasePoolIfNeeded();this._firstVisibleIndexVal=null;this._lastVisibleIndexVal=null},_resetAverage:function(){this._physicalAverage=0;this._physicalAverageCount=0},_resizeHandler:function(){var delta=Math.abs(this._viewportHeight-this._scrollTargetHeight);if(IOS&&delta>0&&delta<100){return}Polymer.dom.addDebouncer(this.debounce("_debounceTemplate",function(){this.updateViewportBoundaries();this._render();if(this._isVisible){this.toggleScrollListener(true);if(this._physicalCount>0){this._resetAverage();this.scrollToIndex(this.firstVisibleIndex)}}else{this.toggleScrollListener(false)}}.bind(this),1))},_getModelFromItem:function(item){var key=this._collection.getKey(item);var pidx=this._physicalIndexForKey[key];if(pidx!=null){return this._physicalItems[pidx]._templateInstance}return null},_getNormalizedItem:function(item){if(this._collection.getKey(item)===undefined){if(typeof item==="number"){item=this.items[item];if(!item){throw new RangeError("<item> not found")}return item}throw new TypeError("<item> should be a valid item")}return item},selectItem:function(item){item=this._getNormalizedItem(item);var model=this._getModelFromItem(item);if(!this.multiSelection&&this.selectedItem){this.deselectItem(this.selectedItem)}if(model){model[this.selectedAs]=true}this.$.selector.select(item);this.updateSizeForItem(item)},deselectItem:function(item){item=this._getNormalizedItem(item);var model=this._getModelFromItem(item);if(model){model[this.selectedAs]=false}this.$.selector.deselect(item);this.updateSizeForItem(item)},toggleSelectionForItem:function(item){item=this._getNormalizedItem(item);if(this.$.selector.isSelected(item)){this.deselectItem(item)}else{this.selectItem(item)}},clearSelection:function(){function unselect(item){var model=this._getModelFromItem(item);if(model){model[this.selectedAs]=false}}if(Array.isArray(this.selectedItems)){this.selectedItems.forEach(unselect,this)}else if(this.selectedItem){unselect.call(this,this.selectedItem)}this.$.selector.clearSelection()},_selectionEnabledChanged:function(selectionEnabled){var handler=selectionEnabled?this.listen:this.unlisten;handler.call(this,this,"tap","_selectionHandler")},_selectionHandler:function(e){var model=this.modelForElement(e.target);if(!model){return}var modelTabIndex,activeElTabIndex;var target=Polymer.dom(e).path[0];var activeEl=Polymer.dom(this.domHost?this.domHost.root:document).activeElement;var physicalItem=this._physicalItems[this._getPhysicalIndex(model[this.indexAs])];if(target.localName==="input"||target.localName==="button"||target.localName==="select"){return}modelTabIndex=model.tabIndex;model.tabIndex=SECRET_TABINDEX;activeElTabIndex=activeEl?activeEl.tabIndex:-1;model.tabIndex=modelTabIndex;if(activeEl&&physicalItem!==activeEl&&physicalItem.contains(activeEl)&&activeElTabIndex!==SECRET_TABINDEX){return}this.toggleSelectionForItem(model[this.as])},_multiSelectionChanged:function(multiSelection){this.clearSelection();this.$.selector.multi=multiSelection},updateSizeForItem:function(item){item=this._getNormalizedItem(item);var key=this._collection.getKey(item);var pidx=this._physicalIndexForKey[key];if(pidx!=null){this._updateMetrics([pidx]);this._positionItems()}},_manageFocus:function(){var fidx=this._focusedIndex;if(fidx>=0&&fidx<this._virtualCount){if(this._isIndexRendered(fidx)){this._restoreFocusedItem()}else{this._createFocusBackfillItem()}}else if(this._virtualCount>0&&this._physicalCount>0){this._focusedIndex=this._virtualStart;this._focusedItem=this._physicalItems[this._physicalStart]}},_isIndexRendered:function(idx){return idx>=this._virtualStart&&idx<=this._virtualEnd},_isIndexVisible:function(idx){return idx>=this.firstVisibleIndex&&idx<=this.lastVisibleIndex},_getPhysicalIndex:function(idx){return this._physicalIndexForKey[this._collection.getKey(this._getNormalizedItem(idx))]},_focusPhysicalItem:function(idx){if(idx<0||idx>=this._virtualCount){return}this._restoreFocusedItem();if(!this._isIndexRendered(idx)){this.scrollToIndex(idx)}var physicalItem=this._physicalItems[this._getPhysicalIndex(idx)];var model=physicalItem._templateInstance;var focusable;model.tabIndex=SECRET_TABINDEX;if(physicalItem.tabIndex===SECRET_TABINDEX){focusable=physicalItem}if(!focusable){focusable=Polymer.dom(physicalItem).querySelector('[tabindex="'+SECRET_TABINDEX+'"]')}model.tabIndex=0;this._focusedIndex=idx;focusable&&focusable.focus()},_removeFocusedItem:function(){if(this._offscreenFocusedItem){Polymer.dom(this).removeChild(this._offscreenFocusedItem)}this._offscreenFocusedItem=null;this._focusBackfillItem=null;this._focusedItem=null;this._focusedIndex=-1},_createFocusBackfillItem:function(){var fidx=this._focusedIndex;var pidx=this._getPhysicalIndex(fidx);if(this._offscreenFocusedItem||pidx==null||fidx<0){return}if(!this._focusBackfillItem){var stampedTemplate=this.stamp(null);this._focusBackfillItem=stampedTemplate.root.querySelector("*");Polymer.dom(this).appendChild(stampedTemplate.root)}this._offscreenFocusedItem=this._physicalItems[pidx];this._offscreenFocusedItem._templateInstance.tabIndex=0;this._physicalItems[pidx]=this._focusBackfillItem;this.translate3d(0,HIDDEN_Y,0,this._offscreenFocusedItem)},_restoreFocusedItem:function(){var pidx,fidx=this._focusedIndex;if(!this._offscreenFocusedItem||this._focusedIndex<0){return}this._assignModels();pidx=this._getPhysicalIndex(fidx);if(pidx!=null){this._focusBackfillItem=this._physicalItems[pidx];this._focusBackfillItem._templateInstance.tabIndex=-1;this._physicalItems[pidx]=this._offscreenFocusedItem;this._offscreenFocusedItem=null;this.translate3d(0,HIDDEN_Y,0,this._focusBackfillItem)}},_didFocus:function(e){var targetModel=this.modelForElement(e.target);var focusedModel=this._focusedItem?this._focusedItem._templateInstance:null;var hasOffscreenFocusedItem=this._offscreenFocusedItem!==null;var fidx=this._focusedIndex;if(!targetModel||!focusedModel){return}if(focusedModel===targetModel){if(!this._isIndexVisible(fidx)){this.scrollToIndex(fidx)}}else{this._restoreFocusedItem();focusedModel.tabIndex=-1;targetModel.tabIndex=0;fidx=targetModel[this.indexAs];this._focusedIndex=fidx;this._focusedItem=this._physicalItems[this._getPhysicalIndex(fidx)];if(hasOffscreenFocusedItem&&!this._offscreenFocusedItem){this._update()}}},_didMoveUp:function(){this._focusPhysicalItem(this._focusedIndex-1)},_didMoveDown:function(e){e.detail.keyboardEvent.preventDefault();this._focusPhysicalItem(this._focusedIndex+1)},_didEnter:function(e){this._focusPhysicalItem(this._focusedIndex);this._selectionHandler(e.detail.keyboardEvent)}})
+})();
+Polymer({
+  is: "iron-scroll-threshold",
+  properties: {
+    upperThreshold: {type: Number, value: 100},
+    lowerThreshold: {type: Number, value: 100},
+    upperTriggered: {type: Boolean, value: false, notify: true, readOnly: true},
+    lowerTriggered: {type: Boolean, value: false, notify: true, readOnly: true},
+    horizontal: {type: Boolean, value: false}
+  },
+  behaviors: [Polymer.IronScrollTargetBehavior],
+  observers:
+      ["_setOverflow(scrollTarget)", "_initCheck(horizontal, isAttached)"],
+  get _defaultScrollTarget() {
+    return this
+  },
+  _setOverflow: function(scrollTarget) {
+    this.style.overflow = scrollTarget === this ? "auto" : ""
+  },
+  _scrollHandler: function() {
+    var THROTTLE_THRESHOLD = 200;
+    if (!this.isDebouncerActive("_checkTheshold")) {
+      this.debounce("_checkTheshold", function() {
+        this.checkScrollThesholds()
+      }, THROTTLE_THRESHOLD)
+    }
+  },
+  _initCheck: function(horizontal, isAttached) {
+    if (isAttached) {
+      this.debounce("_init", function() {
+        this.clearTriggers();
+        this.checkScrollThesholds()
+      })
+    }
+  },
+  checkScrollThesholds: function() {
+    if (!this.scrollTarget || this.lowerTriggered && this.upperTriggered) {
+      return
+    }
+    var upperScrollValue = this.horizontal ? this._scrollLeft : this._scrollTop;
+    var lowerScrollValue = this.horizontal ?
+        this.scrollTarget.scrollWidth - this._scrollTargetWidth -
+            this._scrollLeft :
+        this.scrollTarget.scrollHeight - this._scrollTargetHeight -
+            this._scrollTop;
+    if (upperScrollValue <= this.upperThreshold && !this.upperTriggered) {
+      this._setUpperTriggered(true);
+      this.fire("upper-threshold")
+    }
+    if (lowerScrollValue <= this.lowerThreshold && !this.lowerTriggered) {
+      this._setLowerTriggered(true);
+      this.fire("lower-threshold")
+    }
+  },
+  clearTriggers: function() {
+    this._setUpperTriggered(false);
+    this._setLowerTriggered(false)
+  }
+});
 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
-var EventTrackerEntry;function EventTracker(){this.listeners_=[]}EventTracker.prototype={add:function(target,eventType,listener,opt_capture){var capture=!!opt_capture;var h={target:target,eventType:eventType,listener:listener,capture:capture};this.listeners_.push(h);target.addEventListener(eventType,listener,capture)},remove:function(target,eventType){this.listeners_=this.listeners_.filter(function(h){if(h.target==target&&(!eventType||h.eventType==eventType)){EventTracker.removeEventListener_(h);return false}return true})},removeAll:function(){this.listeners_.forEach(EventTracker.removeEventListener_);this.listeners_=[]}};EventTracker.removeEventListener_=function(h){h.target.removeEventListener(h.eventType,h.listener,h.capture)};
+var EventTrackerEntry;
+function EventTracker() {
+  this.listeners_ = []
+}
+EventTracker.prototype = {
+  add: function(target, eventType, listener, opt_capture) {
+    var capture = !!opt_capture;
+    var h = {
+      target: target,
+      eventType: eventType,
+      listener: listener,
+      capture: capture
+    };
+    this.listeners_.push(h);
+    target.addEventListener(eventType, listener, capture)
+  },
+  remove: function(target, eventType) {
+    this.listeners_ = this.listeners_.filter(function(h) {
+      if (h.target == target && (!eventType || h.eventType == eventType)) {
+        EventTracker.removeEventListener_(h);
+        return false
+      }
+      return true
+    })
+  },
+  removeAll: function() {
+    this.listeners_.forEach(EventTracker.removeEventListener_);
+    this.listeners_ = []
+  }
+};
+EventTracker.removeEventListener_ = function(h) {
+  h.target.removeEventListener(h.eventType, h.listener, h.capture)
+};
 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
-cr.define("cr.ui",function(){function FocusRow(root,boundary,opt_delegate){this.root=root;this.boundary_=boundary||document.documentElement;this.delegate=opt_delegate;this.eventTracker=new EventTracker}FocusRow.Delegate=function(){};FocusRow.Delegate.prototype={onKeydown:assertNotReached,onFocus:assertNotReached};FocusRow.ACTIVE_CLASS="focus-row-active";FocusRow.isFocusable=function(element){if(!element||element.disabled)return false;function isVisible(element){assertInstanceof(element,Element);var style=window.getComputedStyle(element);if(style.visibility=="hidden"||style.display=="none")return false;var parent=element.parentNode;if(!parent)return false;if(parent==element.ownerDocument||parent instanceof DocumentFragment)return true;return isVisible(parent)}return isVisible(element)};FocusRow.prototype={addItem:function(type,query){assert(type);var element=this.root.querySelector(query);if(!element)return false;element.setAttribute("focus-type",type);element.tabIndex=this.isActive()?0:-1;this.eventTracker.add(element,"blur",this.onBlur_.bind(this));this.eventTracker.add(element,"focus",this.onFocus_.bind(this));this.eventTracker.add(element,"keydown",this.onKeydown_.bind(this));this.eventTracker.add(element,"mousedown",this.onMousedown_.bind(this));return true},destroy:function(){this.eventTracker.removeAll()},getCustomEquivalent:function(sampleElement){return assert(this.getFirstFocusable())},getElements:function(){var elements=this.root.querySelectorAll("[focus-type]");return Array.prototype.slice.call(elements)},getEquivalentElement:function(sampleElement){if(this.getFocusableElements().indexOf(sampleElement)>=0)return sampleElement;var sampleFocusType=this.getTypeForElement(sampleElement);if(sampleFocusType){var sameType=this.getFirstFocusable(sampleFocusType);if(sameType)return sameType}return this.getCustomEquivalent(sampleElement)},getFirstFocusable:function(opt_type){var filter=opt_type?'="'+opt_type+'"':"";var elements=this.root.querySelectorAll("[focus-type"+filter+"]");for(var i=0;i<elements.length;++i){if(cr.ui.FocusRow.isFocusable(elements[i]))return elements[i]}return null},getFocusableElements:function(){return this.getElements().filter(cr.ui.FocusRow.isFocusable)},getTypeForElement:function(element){return element.getAttribute("focus-type")||""},isActive:function(){return this.root.classList.contains(FocusRow.ACTIVE_CLASS)},makeActive:function(active){if(active==this.isActive())return;this.getElements().forEach(function(element){element.tabIndex=active?0:-1});this.root.classList.toggle(FocusRow.ACTIVE_CLASS,active)},onBlur_:function(e){if(!this.boundary_.contains(e.relatedTarget))return;var currentTarget=e.currentTarget;if(this.getFocusableElements().indexOf(currentTarget)>=0)this.makeActive(false)},onFocus_:function(e){if(this.delegate)this.delegate.onFocus(this,e)},onMousedown_:function(e){if(e.button)return;if(!e.currentTarget.disabled)e.currentTarget.tabIndex=0},onKeydown_:function(e){var elements=this.getFocusableElements();var currentElement=e.currentTarget;var elementIndex=elements.indexOf(currentElement);assert(elementIndex>=0);if(this.delegate&&this.delegate.onKeydown(this,e))return;if(hasKeyModifiers(e))return;var index=-1;if(e.key=="ArrowLeft")index=elementIndex+(isRTL()?1:-1);else if(e.key=="ArrowRight")index=elementIndex+(isRTL()?-1:1);else if(e.key=="Home")index=0;else if(e.key=="End")index=elements.length-1;var elementToFocus=elements[index];if(elementToFocus){this.getEquivalentElement(elementToFocus).focus();e.preventDefault()}}};return{FocusRow:FocusRow}});
+cr.define("cr.ui", function() {
+  function FocusRow(root, boundary, opt_delegate) {
+    this.root = root;
+    this.boundary_ = boundary || document.documentElement;
+    this.delegate = opt_delegate;
+    this.eventTracker = new EventTracker
+  }
+  FocusRow.Delegate = function() {};
+  FocusRow.Delegate.prototype = {
+    onKeydown: assertNotReached,
+    onFocus: assertNotReached
+  };
+  FocusRow.ACTIVE_CLASS = "focus-row-active";
+  FocusRow.isFocusable = function(element) {
+    if (!element || element.disabled)
+      return false;
+    function isVisible(element) {
+      assertInstanceof(element, Element);
+      var style = window.getComputedStyle(element);
+      if (style.visibility == "hidden" || style.display == "none")
+        return false;
+      var parent = element.parentNode;
+      if (!parent)
+        return false;
+      if (parent == element.ownerDocument || parent instanceof DocumentFragment)
+        return true;
+      return isVisible(parent)
+    }
+    return isVisible(element)
+  };
+  FocusRow.prototype = {
+    addItem: function(type, query) {
+      assert(type);
+      var element = this.root.querySelector(query);
+      if (!element)
+        return false;
+      element.setAttribute("focus-type", type);
+      element.tabIndex = this.isActive() ? 0 : -1;
+      this.eventTracker.add(element, "blur", this.onBlur_.bind(this));
+      this.eventTracker.add(element, "focus", this.onFocus_.bind(this));
+      this.eventTracker.add(element, "keydown", this.onKeydown_.bind(this));
+      this.eventTracker.add(element, "mousedown", this.onMousedown_.bind(this));
+      return true
+    },
+    destroy: function() {
+      this.eventTracker.removeAll()
+    },
+    getCustomEquivalent: function(sampleElement) {
+      return assert(this.getFirstFocusable())
+    },
+    getElements: function() {
+      var elements = this.root.querySelectorAll("[focus-type]");
+      return Array.prototype.slice.call(elements)
+    },
+    getEquivalentElement: function(sampleElement) {
+      if (this.getFocusableElements().indexOf(sampleElement) >= 0)
+        return sampleElement;
+      var sampleFocusType = this.getTypeForElement(sampleElement);
+      if (sampleFocusType) {
+        var sameType = this.getFirstFocusable(sampleFocusType);
+        if (sameType)
+          return sameType
+      }
+      return this.getCustomEquivalent(sampleElement)
+    },
+    getFirstFocusable: function(opt_type) {
+      var filter = opt_type ? '="' + opt_type + '"' : "";
+      var elements = this.root.querySelectorAll("[focus-type" + filter + "]");
+      for (var i = 0; i < elements.length; ++i) {
+        if (cr.ui.FocusRow.isFocusable(elements[i]))
+          return elements[i]
+      }
+      return null
+    },
+    getFocusableElements: function() {
+      return this.getElements().filter(cr.ui.FocusRow.isFocusable)
+    },
+    getTypeForElement: function(element) {
+      return element.getAttribute("focus-type") || ""
+    },
+    isActive: function() {
+      return this.root.classList.contains(FocusRow.ACTIVE_CLASS)
+    },
+    makeActive: function(active) {
+      if (active == this.isActive())
+        return;
+      this.getElements().forEach(function(element) {
+        element.tabIndex = active ? 0 : -1
+      });
+      this.root.classList.toggle(FocusRow.ACTIVE_CLASS, active)
+    },
+    onBlur_: function(e) {
+      if (!this.boundary_.contains(e.relatedTarget))
+        return;
+      var currentTarget = e.currentTarget;
+      if (this.getFocusableElements().indexOf(currentTarget) >= 0)
+        this.makeActive(false)
+    },
+    onFocus_: function(e) {
+      if (this.delegate)
+        this.delegate.onFocus(this, e)
+    },
+    onMousedown_: function(e) {
+      if (e.button)
+        return;
+      if (!e.currentTarget.disabled)
+        e.currentTarget.tabIndex = 0
+    },
+    onKeydown_: function(e) {
+      var elements = this.getFocusableElements();
+      var currentElement = e.currentTarget;
+      var elementIndex = elements.indexOf(currentElement);
+      assert(elementIndex >= 0);
+      if (this.delegate && this.delegate.onKeydown(this, e))
+        return;
+      if (hasKeyModifiers(e))
+        return;
+      var index = -1;
+      if (e.key == "ArrowLeft")
+        index = elementIndex + (isRTL() ? 1 : -1);
+      else if (e.key == "ArrowRight")
+        index = elementIndex + (isRTL() ? -1 : 1);
+      else if (e.key == "Home")
+        index = 0;
+      else if (e.key == "End")
+        index = elements.length - 1;
+      var elementToFocus = elements[index];
+      if (elementToFocus) {
+        this.getEquivalentElement(elementToFocus).focus();
+        e.preventDefault()
+      }
+    }
+  };
+  return {
+    FocusRow: FocusRow
+  }
+});
 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
-cr.define("cr.icon",function(){function getSupportedScaleFactors(){var supportedScaleFactors=[];if(!cr.isIOS){supportedScaleFactors.push(1)}if(cr.isMac||cr.isChromeOS||cr.isWindows||cr.isLinux){supportedScaleFactors.push(2)}else{supportedScaleFactors.push(window.devicePixelRatio)}return supportedScaleFactors}function getImageSet(path){var supportedScaleFactors=getSupportedScaleFactors();var replaceStartIndex=path.indexOf("scalefactor");if(replaceStartIndex<0)return url(path);var s="";for(var i=0;i<supportedScaleFactors.length;++i){var scaleFactor=supportedScaleFactors[i];var pathWithScaleFactor=path.substr(0,replaceStartIndex)+scaleFactor+path.substr(replaceStartIndex+"scalefactor".length);s+=url(pathWithScaleFactor)+" "+scaleFactor+"x";if(i!=supportedScaleFactors.length-1)s+=", "}return"-webkit-image-set("+s+")"}function getImage(path){var chromeThemePath="chrome://theme";var isChromeThemeUrl=path.slice(0,chromeThemePath.length)==chromeThemePath;return isChromeThemeUrl?getImageSet(path+"@scalefactorx"):url(path)}var FAVICON_URL_REGEX=/\.ico$/i;function getFavicon(url,opt_size,opt_type){var size=opt_size||16;var type=opt_type||"favicon";return getImageSet("chrome://"+type+"/size/"+size+"@scalefactorx/"+(FAVICON_URL_REGEX.test(url)?"iconurl/":"")+url)}return{getImage:getImage,getFavicon:getFavicon}});
+cr.define("cr.icon", function() {
+  function getSupportedScaleFactors() {
+    var supportedScaleFactors = [];
+    if (!cr.isIOS) {
+      supportedScaleFactors.push(1)
+    }
+    if (cr.isMac || cr.isChromeOS || cr.isWindows || cr.isLinux) {
+      supportedScaleFactors.push(2)
+    } else {
+      supportedScaleFactors.push(window.devicePixelRatio)
+    }
+    return supportedScaleFactors
+  }
+  function getImageSet(path) {
+    var supportedScaleFactors = getSupportedScaleFactors();
+    var replaceStartIndex = path.indexOf("scalefactor");
+    if (replaceStartIndex < 0)
+      return url(path);
+    var s = "";
+    for (var i = 0; i < supportedScaleFactors.length; ++i) {
+      var scaleFactor = supportedScaleFactors[i];
+      var pathWithScaleFactor = path.substr(0, replaceStartIndex) +
+          scaleFactor + path.substr(replaceStartIndex + "scalefactor".length);
+      s += url(pathWithScaleFactor) + " " + scaleFactor + "x";
+      if (i != supportedScaleFactors.length - 1)
+        s += ", "
+    }
+    return "-webkit-image-set(" + s + ")"
+  }
+  function getImage(path) {
+    var chromeThemePath = "chrome://theme";
+    var isChromeThemeUrl =
+        path.slice(0, chromeThemePath.length) == chromeThemePath;
+    return isChromeThemeUrl ? getImageSet(path + "@scalefactorx") : url(path)
+  }
+  var FAVICON_URL_REGEX = /\.ico$/i;
+  function getFavicon(url, opt_size, opt_type) {
+    var size = opt_size || 16;
+    var type = opt_type || "favicon";
+    return getImageSet(
+        "chrome://" + type + "/size/" + size + "@scalefactorx/" +
+        (FAVICON_URL_REGEX.test(url) ? "iconurl/" : "") + url)
+  }
+  return {
+    getImage: getImage, getFavicon: getFavicon
+  }
+});
 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
-Polymer({is:"history-searched-label",properties:{title:String,searchTerm:String},observers:["setSearchedTextToBold_(title, searchTerm)"],setSearchedTextToBold_:function(){var i=0;var titleText=this.title;if(this.searchTerm==""||this.searchTerm==null){this.textContent=titleText;return}var re=new RegExp(quoteString(this.searchTerm),"gim");var match;this.textContent="";while(match=re.exec(titleText)){if(match.index>i)this.appendChild(document.createTextNode(titleText.slice(i,match.index)));i=re.lastIndex;var b=document.createElement("b");b.textContent=titleText.substring(match.index,i);this.appendChild(b)}if(i<titleText.length)this.appendChild(document.createTextNode(titleText.slice(i)))}});
+Polymer({
+  is: "history-searched-label",
+  properties: {title: String, searchTerm: String},
+  observers: ["setSearchedTextToBold_(title, searchTerm)"],
+  setSearchedTextToBold_: function() {
+    var i = 0;
+    var titleText = this.title;
+    if (this.searchTerm == "" || this.searchTerm == null) {
+      this.textContent = titleText;
+      return
+    }
+    var re = new RegExp(quoteString(this.searchTerm), "gim");
+    var match;
+    this.textContent = "";
+    while (match = re.exec(titleText)) {
+      if (match.index > i)
+        this.appendChild(
+            document.createTextNode(titleText.slice(i, match.index)));
+      i = re.lastIndex;
+      var b = document.createElement("b");
+      b.textContent = titleText.substring(match.index, i);
+      this.appendChild(b)
+    }
+    if (i < titleText.length)
+      this.appendChild(document.createTextNode(titleText.slice(i)))
+  }
+});
 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
-function HistoryFocusRow(root,boundary,delegate){cr.ui.FocusRow.call(this,root,boundary,delegate);this.addItems()}HistoryFocusRow.prototype={__proto__:cr.ui.FocusRow.prototype,getCustomEquivalent:function(sampleElement){var equivalent;if(this.getTypeForElement(sampleElement)=="star")equivalent=this.getFirstFocusable("title");return equivalent||cr.ui.FocusRow.prototype.getCustomEquivalent.call(this,sampleElement)},addItems:function(){this.destroy();assert(this.addItem("checkbox","#checkbox"));assert(this.addItem("title","#title"));assert(this.addItem("menu-button","#menu-button"));this.addItem("star","#bookmark-star")}};cr.define("md_history",function(){function FocusRowDelegate(historyItemElement){this.historyItemElement=historyItemElement}FocusRowDelegate.prototype={onFocus:function(row,e){this.historyItemElement.lastFocused=e.path[0]},onKeydown:function(row,e){if(e.key=="Enter")e.stopPropagation();return false}};var HistoryItem=Polymer({is:"history-item",properties:{item:{type:Object,observer:"showIcon_"},selected:{type:Boolean,reflectToAttribute:true},isCardStart:{type:Boolean,reflectToAttribute:true},isCardEnd:{type:Boolean,reflectToAttribute:true},embedded:{type:Boolean,reflectToAttribute:true},lastFocused:{type:Object,notify:true},ironListTabIndex:{type:Number,observer:"ironListTabIndexChanged_"},hasTimeGap:Boolean,index:Number,numberOfItems:Number,path:String,searchTerm:String},row_:null,attached:function(){Polymer.RenderStatus.afterNextRender(this,function(){this.row_=new HistoryFocusRow(this.$["main-container"],null,new FocusRowDelegate(this));this.row_.makeActive(this.ironListTabIndex==0);this.listen(this,"focus","onFocus_");this.listen(this,"dom-change","onDomChange_")})},detached:function(){this.unlisten(this,"focus","onFocus_");this.unlisten(this,"dom-change","onDomChange_");if(this.row_)this.row_.destroy()},onFocus_:function(){if(this.lastFocused)this.row_.getEquivalentElement(this.lastFocused).focus();else this.row_.getFirstFocusable().focus();this.tabIndex=-1},ironListTabIndexChanged_:function(){if(this.row_)this.row_.makeActive(this.ironListTabIndex==0)},onDomChange_:function(){if(this.row_)this.row_.addItems()},onItemClick_:function(e){for(var i=0;i<e.path.length;i++){var elem=e.path[i];if(elem.id!="checkbox"&&(elem.nodeName=="A"||elem.nodeName=="BUTTON")){return}}if(this.selectionNotAllowed_())return;this.$.checkbox.focus();this.fire("history-checkbox-select",{element:this,shiftKey:e.shiftKey})},onItemMousedown_:function(e){if(e.shiftKey)e.preventDefault()},getEntrySummary_:function(){var item=this.item;return loadTimeData.getStringF("entrySummary",item.dateTimeOfDay,item.starred?loadTimeData.getString("bookmarked"):"",item.title,item.domain)},getAriaChecked_:function(selected){return selected?"true":"false"},onRemoveBookmarkTap_:function(){if(!this.item.starred)return;if(this.$$("#bookmark-star")==this.root.activeElement)this.$["menu-button"].focus();var browserService=md_history.BrowserService.getInstance();browserService.removeBookmark(this.item.url);browserService.recordAction("BookmarkStarClicked");this.fire("remove-bookmark-stars",this.item.url)},onMenuButtonTap_:function(e){this.fire("open-menu",{target:Polymer.dom(e).localTarget,index:this.index,item:this.item,path:this.path});e.stopPropagation()},onLinkClick_:function(){var browserService=md_history.BrowserService.getInstance();browserService.recordAction("EntryLinkClick");if(this.searchTerm)browserService.recordAction("SearchResultClick");if(this.index==undefined)return;browserService.recordHistogram("HistoryPage.ClickPosition",Math.min(this.index,UMA_MAX_BUCKET_VALUE),UMA_MAX_BUCKET_VALUE);if(this.index<=UMA_MAX_SUBSET_BUCKET_VALUE){browserService.recordHistogram("HistoryPage.ClickPositionSubset",this.index,UMA_MAX_SUBSET_BUCKET_VALUE)}},onLinkRightClick_:function(){md_history.BrowserService.getInstance().recordAction("EntryLinkRightClick")},showIcon_:function(){this.$.icon.style.backgroundImage=cr.icon.getFavicon(this.item.url)},selectionNotAllowed_:function(){return!loadTimeData.getBoolean("allowDeletingHistory")},cardTitle_:function(numberOfItems,historyDate,search){if(!search)return this.item.dateRelativeDay;return HistoryItem.searchResultsTitle(numberOfItems,search)},addTimeTitle_:function(){var el=this.$["time-accessed"];el.setAttribute("title",new Date(this.item.time).toString());this.unlisten(el,"mouseover","addTimeTitle_")}});HistoryItem.needsTimeGap=function(visits,currentIndex,searchedTerm){if(currentIndex>=visits.length-1||visits.length==0)return false;var currentItem=visits[currentIndex];var nextItem=visits[currentIndex+1];if(searchedTerm)return currentItem.dateShort!=nextItem.dateShort;return currentItem.time-nextItem.time>BROWSING_GAP_TIME&&currentItem.dateRelativeDay==nextItem.dateRelativeDay};HistoryItem.searchResultsTitle=function(numberOfResults,searchTerm){var resultId=numberOfResults==1?"searchResult":"searchResults";return loadTimeData.getStringF("foundSearchResults",numberOfResults,loadTimeData.getString(resultId),searchTerm)};return{HistoryItem:HistoryItem}});
+function HistoryFocusRow(root, boundary, delegate) {
+  cr.ui.FocusRow.call(this, root, boundary, delegate);
+  this.addItems()
+}
+HistoryFocusRow.prototype = {
+  __proto__: cr.ui.FocusRow.prototype,
+  getCustomEquivalent: function(sampleElement) {
+    var equivalent;
+    if (this.getTypeForElement(sampleElement) == "star")
+      equivalent = this.getFirstFocusable("title");
+    return equivalent ||
+        cr.ui.FocusRow.prototype.getCustomEquivalent.call(this, sampleElement)
+  },
+  addItems: function() {
+    this.destroy();
+    assert(this.addItem("checkbox", "#checkbox"));
+    assert(this.addItem("title", "#title"));
+    assert(this.addItem("menu-button", "#menu-button"));
+    this.addItem("star", "#bookmark-star")
+  }
+};
+cr.define("md_history", function() {
+  function FocusRowDelegate(historyItemElement) {
+    this.historyItemElement = historyItemElement
+  }
+  FocusRowDelegate.prototype = {
+    onFocus: function(row, e) {
+      this.historyItemElement.lastFocused = e.path[0]
+    },
+    onKeydown: function(row, e) {
+      if (e.key == "Enter")
+        e.stopPropagation();
+      return false
+    }
+  };
+  var HistoryItem = Polymer({
+    is: "history-item",
+    properties: {
+      item: {type: Object, observer: "showIcon_"},
+      selected: {type: Boolean, reflectToAttribute: true},
+      isCardStart: {type: Boolean, reflectToAttribute: true},
+      isCardEnd: {type: Boolean, reflectToAttribute: true},
+      embedded: {type: Boolean, reflectToAttribute: true},
+      lastFocused: {type: Object, notify: true},
+      ironListTabIndex: {type: Number, observer: "ironListTabIndexChanged_"},
+      hasTimeGap: Boolean,
+      index: Number,
+      numberOfItems: Number,
+      path: String,
+      searchTerm: String
+    },
+    row_: null,
+    attached: function() {
+      Polymer.RenderStatus.afterNextRender(this, function() {
+        this.row_ = new HistoryFocusRow(
+            this.$["main-container"], null, new FocusRowDelegate(this));
+        this.row_.makeActive(this.ironListTabIndex == 0);
+        this.listen(this, "focus", "onFocus_");
+        this.listen(this, "dom-change", "onDomChange_")
+      })
+    },
+    detached: function() {
+      this.unlisten(this, "focus", "onFocus_");
+      this.unlisten(this, "dom-change", "onDomChange_");
+      if (this.row_)
+        this.row_.destroy()
+    },
+    onFocus_: function() {
+      if (this.lastFocused)
+        this.row_.getEquivalentElement(this.lastFocused).focus();
+      else
+        this.row_.getFirstFocusable().focus();
+      this.tabIndex = -1
+    },
+    ironListTabIndexChanged_: function() {
+      if (this.row_)
+        this.row_.makeActive(this.ironListTabIndex == 0)
+    },
+    onDomChange_: function() {
+      if (this.row_)
+        this.row_.addItems()
+    },
+    onItemClick_: function(e) {
+      for (var i = 0; i < e.path.length; i++) {
+        var elem = e.path[i];
+        if (elem.id != "checkbox" &&
+            (elem.nodeName == "A" || elem.nodeName == "BUTTON")) {
+          return
+        }
+      }
+      if (this.selectionNotAllowed_())
+        return;
+      this.$.checkbox.focus();
+      this.fire(
+          "history-checkbox-select", {element: this, shiftKey: e.shiftKey})
+    },
+    onItemMousedown_: function(e) {
+      if (e.shiftKey)
+        e.preventDefault()
+    },
+    getEntrySummary_: function() {
+      var item = this.item;
+      return loadTimeData.getStringF(
+          "entrySummary", item.dateTimeOfDay,
+          item.starred ? loadTimeData.getString("bookmarked") : "", item.title,
+          item.domain)
+    },
+    getAriaChecked_: function(selected) {
+      return selected ? "true" : "false"
+    },
+    onRemoveBookmarkTap_: function() {
+      if (!this.item.starred)
+        return;
+      if (this.$$("#bookmark-star") == this.root.activeElement)
+        this.$["menu-button"].focus();
+      var browserService = md_history.BrowserService.getInstance();
+      browserService.removeBookmark(this.item.url);
+      browserService.recordAction("BookmarkStarClicked");
+      this.fire("remove-bookmark-stars", this.item.url)
+    },
+    onMenuButtonTap_: function(e) {
+      this.fire("open-menu", {
+        target: Polymer.dom(e).localTarget,
+        index: this.index,
+        item: this.item,
+        path: this.path
+      });
+      e.stopPropagation()
+    },
+    onLinkClick_: function() {
+      var browserService = md_history.BrowserService.getInstance();
+      browserService.recordAction("EntryLinkClick");
+      if (this.searchTerm)
+        browserService.recordAction("SearchResultClick");
+      if (this.index == undefined)
+        return;
+      browserService.recordHistogram(
+          "HistoryPage.ClickPosition",
+          Math.min(this.index, UMA_MAX_BUCKET_VALUE), UMA_MAX_BUCKET_VALUE);
+      if (this.index <= UMA_MAX_SUBSET_BUCKET_VALUE) {
+        browserService.recordHistogram(
+            "HistoryPage.ClickPositionSubset", this.index,
+            UMA_MAX_SUBSET_BUCKET_VALUE)
+      }
+    },
+    onLinkRightClick_: function() {
+      md_history.BrowserService.getInstance().recordAction(
+          "EntryLinkRightClick")
+    },
+    showIcon_: function() {
+      this.$.icon.style.backgroundImage = cr.icon.getFavicon(this.item.url)
+    },
+    selectionNotAllowed_: function() {
+      return !loadTimeData.getBoolean("allowDeletingHistory")
+    },
+    cardTitle_: function(numberOfItems, historyDate, search) {
+      if (!search)
+        return this.item.dateRelativeDay;
+      return HistoryItem.searchResultsTitle(numberOfItems, search)
+    },
+    addTimeTitle_: function() {
+      var el = this.$["time-accessed"];
+      el.setAttribute("title", new Date(this.item.time).toString());
+      this.unlisten(el, "mouseover", "addTimeTitle_")
+    }
+  });
+  HistoryItem.needsTimeGap = function(visits, currentIndex, searchedTerm) {
+    if (currentIndex >= visits.length - 1 || visits.length == 0)
+      return false;
+    var currentItem = visits[currentIndex];
+    var nextItem = visits[currentIndex + 1];
+    if (searchedTerm)
+      return currentItem.dateShort != nextItem.dateShort;
+    return currentItem.time - nextItem.time > BROWSING_GAP_TIME &&
+        currentItem.dateRelativeDay == nextItem.dateRelativeDay
+  };
+  HistoryItem.searchResultsTitle = function(numberOfResults, searchTerm) {
+    var resultId = numberOfResults == 1 ? "searchResult" : "searchResults";
+    return loadTimeData.getStringF(
+        "foundSearchResults", numberOfResults, loadTimeData.getString(resultId),
+        searchTerm)
+  };
+  return {
+    HistoryItem: HistoryItem
+  }
+});
 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
-var SelectionTreeNode=function(currentPath){this.currentPath=currentPath;this.leaf=false;this.indexes=[];this.children=[]};SelectionTreeNode.prototype.addChild=function(index,path){this.indexes.push(index);this.children[index]=new SelectionTreeNode(path)};var HistoryListBehavior={properties:{selectedPaths:{type:Object,value:function(){return new Set}},lastSelectedPath:String},listeners:{"history-checkbox-select":"itemSelected_"},addNewResults:function(results,incremental,finished){},hasResults:function(historyDataLength){return historyDataLength>0},noResultsMessage:function(searchedTerm,isLoading){if(isLoading)return"";var messageId=searchedTerm!==""?"noSearchResults":"noResults";return loadTimeData.getString(messageId)},unselectAllItems:function(){this.selectedPaths.forEach(function(path){this.set(path+".selected",false)}.bind(this));this.selectedPaths.clear()},deleteSelected:function(){var toBeRemoved=Array.from(this.selectedPaths.values()).map(function(path){return this.get(path)}.bind(this));md_history.BrowserService.getInstance().deleteItems(toBeRemoved).then(function(){this.removeItemsByPath(Array.from(this.selectedPaths));this.fire("unselect-all")}.bind(this))},removeItemsByPath:function(paths){if(paths.length==0)return;this.removeItemsBeneathNode_(this.buildRemovalTree_(paths))},buildRemovalTree_:function(paths){var rootNode=new SelectionTreeNode(paths[0].split(".")[0]);paths.forEach(function(path){var components=path.split(".");var node=rootNode;components.shift();while(components.length>1){var index=Number(components.shift());var arrayName=components.shift();if(!node.children[index])node.addChild(index,[node.currentPath,index,arrayName].join("."));node=node.children[index]}node.leaf=true;node.indexes.push(Number(components.shift()))});return rootNode},removeItemsBeneathNode_:function(node){var array=this.get(node.currentPath);var splices=[];node.indexes.sort(function(a,b){return b-a});node.indexes.forEach(function(index){if(node.leaf||this.removeItemsBeneathNode_(node.children[index])){var item=array.splice(index,1)[0];splices.push({index:index,removed:[item],addedCount:0,object:array,type:"splice"})}}.bind(this));if(array.length==0&&node.currentPath.indexOf(".")!=-1)return true;this.notifySplices(node.currentPath,splices);return false},itemSelected_:function(e){var item=e.detail.element;var paths=[];var itemPath=item.path;if(e.detail.shiftKey&&this.lastSelectedPath){var itemPathComponents=itemPath.split(".");var itemIndex=Number(itemPathComponents.pop());var itemArrayPath=itemPathComponents.join(".");var lastItemPathComponents=this.lastSelectedPath.split(".");var lastItemIndex=Number(lastItemPathComponents.pop());if(itemArrayPath==lastItemPathComponents.join(".")){for(var i=Math.min(itemIndex,lastItemIndex);i<=Math.max(itemIndex,lastItemIndex);i++){paths.push(itemArrayPath+"."+i)}}}if(paths.length==0)paths.push(item.path);var selected=!this.selectedPaths.has(item.path);paths.forEach(function(path){this.set(path+".selected",selected);if(selected){this.selectedPaths.add(path);return}this.selectedPaths.delete(path)}.bind(this));this.lastSelectedPath=itemPath}};
+var SelectionTreeNode = function(currentPath) {
+  this.currentPath = currentPath;
+  this.leaf = false;
+  this.indexes = [];
+  this.children = []
+};
+SelectionTreeNode.prototype.addChild = function(index, path) {
+  this.indexes.push(index);
+  this.children[index] = new SelectionTreeNode(path)
+};
+var HistoryListBehavior = {
+  properties: {
+    selectedPaths: {
+      type: Object,
+      value: function() {
+        return new Set
+      }
+    },
+    lastSelectedPath: String
+  },
+  listeners: {"history-checkbox-select": "itemSelected_"},
+  addNewResults: function(results, incremental, finished) {},
+  hasResults: function(historyDataLength) {
+    return historyDataLength > 0
+  },
+  noResultsMessage: function(searchedTerm, isLoading) {
+    if (isLoading)
+      return "";
+    var messageId = searchedTerm !== "" ? "noSearchResults" : "noResults";
+    return loadTimeData.getString(messageId)
+  },
+  unselectAllItems: function() {
+    this.selectedPaths.forEach(function(path) {
+      this.set(path + ".selected", false)
+    }.bind(this));
+    this.selectedPaths.clear()
+  },
+  deleteSelected: function() {
+    var toBeRemoved =
+        Array.from(this.selectedPaths.values()).map(function(path) {
+          return this.get(path)
+        }.bind(this));
+    md_history.BrowserService.getInstance()
+        .deleteItems(toBeRemoved)
+        .then(function() {
+          this.removeItemsByPath(Array.from(this.selectedPaths));
+          this.fire("unselect-all")
+        }.bind(this))
+  },
+  removeItemsByPath: function(paths) {
+    if (paths.length == 0)
+      return;
+    this.removeItemsBeneathNode_(this.buildRemovalTree_(paths))
+  },
+  buildRemovalTree_: function(paths) {
+    var rootNode = new SelectionTreeNode(paths[0].split(".")[0]);
+    paths.forEach(function(path) {
+      var components = path.split(".");
+      var node = rootNode;
+      components.shift();
+      while (components.length > 1) {
+        var index = Number(components.shift());
+        var arrayName = components.shift();
+        if (!node.children[index])
+          node.addChild(index, [node.currentPath, index, arrayName].join("."));
+        node = node.children[index]
+      }
+      node.leaf = true;
+      node.indexes.push(Number(components.shift()))
+    });
+    return rootNode
+  },
+  removeItemsBeneathNode_: function(node) {
+    var array = this.get(node.currentPath);
+    var splices = [];
+    node.indexes.sort(function(a, b) {
+      return b - a
+    });
+    node.indexes.forEach(function(index) {
+      if (node.leaf || this.removeItemsBeneathNode_(node.children[index])) {
+        var item = array.splice(index, 1)[0];
+        splices.push({
+          index: index,
+          removed: [item],
+          addedCount: 0,
+          object: array,
+          type: "splice"
+        })
+      }
+    }.bind(this));
+    if (array.length == 0 && node.currentPath.indexOf(".") != -1)
+      return true;
+    this.notifySplices(node.currentPath, splices);
+    return false
+  },
+  itemSelected_: function(e) {
+    var item = e.detail.element;
+    var paths = [];
+    var itemPath = item.path;
+    if (e.detail.shiftKey && this.lastSelectedPath) {
+      var itemPathComponents = itemPath.split(".");
+      var itemIndex = Number(itemPathComponents.pop());
+      var itemArrayPath = itemPathComponents.join(".");
+      var lastItemPathComponents = this.lastSelectedPath.split(".");
+      var lastItemIndex = Number(lastItemPathComponents.pop());
+      if (itemArrayPath == lastItemPathComponents.join(".")) {
+        for (var i = Math.min(itemIndex, lastItemIndex);
+             i <= Math.max(itemIndex, lastItemIndex); i++) {
+          paths.push(itemArrayPath + "." + i)
+        }
+      }
+    }
+    if (paths.length == 0)
+      paths.push(item.path);
+    var selected = !this.selectedPaths.has(item.path);
+    paths.forEach(function(path) {
+      this.set(path + ".selected", selected);
+      if (selected) {
+        this.selectedPaths.add(path);
+        return
+      }
+      this.selectedPaths.delete(path)
+    }.bind(this));
+    this.lastSelectedPath = itemPath
+  }
+};
 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
-Polymer({is:"history-list",behaviors:[HistoryListBehavior],properties:{searchedTerm:{type:String,value:""},resultLoadingDisabled_:{type:Boolean,value:false},historyData_:Array,lastFocused_:Object,querying:Boolean},listeners:{"remove-bookmark-stars":"removeBookmarkStars_"},attached:function(){this.$["infinite-list"].notifyResize();this.$["infinite-list"].scrollTarget=this;this.$["scroll-threshold"].scrollTarget=this},removeBookmarkStars_:function(e){var url=e.detail;if(this.historyData_===undefined)return;for(var i=0;i<this.historyData_.length;i++){if(this.historyData_[i].url==url)this.set("historyData_."+i+".starred",false)}},addNewResults:function(historyResults,incremental,finished){var results=historyResults.slice();this.$["scroll-threshold"].clearTriggers();if(!incremental){this.resultLoadingDisabled_=false;if(this.historyData_)this.splice("historyData_",0,this.historyData_.length);this.fire("unselect-all")}if(this.historyData_){results.unshift("historyData_");this.push.apply(this,results)}else{this.set("historyData_",results)}this.resultLoadingDisabled_=finished},loadMoreData_:function(){if(this.resultLoadingDisabled_||this.querying)return;this.fire("load-more-history")},needsTimeGap_:function(item,index,length){return md_history.HistoryItem.needsTimeGap(this.historyData_,index,this.searchedTerm)},isCardStart_:function(item,i,length){if(length==0||i>length-1)return false;return i==0||this.historyData_[i].dateRelativeDay!=this.historyData_[i-1].dateRelativeDay},isCardEnd_:function(item,i,length){if(length==0||i>length-1)return false;return i==length-1||this.historyData_[i].dateRelativeDay!=this.historyData_[i+1].dateRelativeDay},pathForItem_:function(index){return"historyData_."+index}});
+Polymer({
+  is: "history-list",
+  behaviors: [HistoryListBehavior],
+  properties: {
+    searchedTerm: {type: String, value: ""},
+    resultLoadingDisabled_: {type: Boolean, value: false},
+    historyData_: Array,
+    lastFocused_: Object,
+    querying: Boolean
+  },
+  listeners: {"remove-bookmark-stars": "removeBookmarkStars_"},
+  attached: function() {
+    this.$["infinite-list"].notifyResize();
+    this.$["infinite-list"].scrollTarget = this;
+    this.$["scroll-threshold"].scrollTarget = this
+  },
+  removeBookmarkStars_: function(e) {
+    var url = e.detail;
+    if (this.historyData_ === undefined)
+      return;
+    for (var i = 0; i < this.historyData_.length; i++) {
+      if (this.historyData_[i].url == url)
+        this.set("historyData_." + i + ".starred", false)
+    }
+  },
+  addNewResults: function(historyResults, incremental, finished) {
+    var results = historyResults.slice();
+    this.$["scroll-threshold"].clearTriggers();
+    if (!incremental) {
+      this.resultLoadingDisabled_ = false;
+      if (this.historyData_)
+        this.splice("historyData_", 0, this.historyData_.length);
+      this.fire("unselect-all")
+    }
+    if (this.historyData_) {
+      results.unshift("historyData_");
+      this.push.apply(this, results)
+    } else {
+      this.set("historyData_", results)
+    }
+    this.resultLoadingDisabled_ = finished
+  },
+  loadMoreData_: function() {
+    if (this.resultLoadingDisabled_ || this.querying)
+      return;
+    this.fire("load-more-history")
+  },
+  needsTimeGap_: function(item, index, length) {
+    return md_history.HistoryItem.needsTimeGap(
+        this.historyData_, index, this.searchedTerm)
+  },
+  isCardStart_: function(item, i, length) {
+    if (length == 0 || i > length - 1)
+      return false;
+    return i == 0 ||
+        this.historyData_[i].dateRelativeDay !=
+        this.historyData_[i - 1].dateRelativeDay
+  },
+  isCardEnd_: function(item, i, length) {
+    if (length == 0 || i > length - 1)
+      return false;
+    return i == length - 1 ||
+        this.historyData_[i].dateRelativeDay !=
+        this.historyData_[i + 1].dateRelativeDay
+  },
+  pathForItem_: function(index) {
+    return "historyData_." + index
+  }
+});
 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
-Polymer({is:"history-list-container",properties:{groupedRange:{type:Number,observer:"groupedRangeChanged_"},selectedPage_:String,grouped:Boolean,queryState:Object,queryResult:Object,actionMenuModel_:Object},observers:["searchTermChanged_(queryState.searchTerm)","groupedOffsetChanged_(queryState.groupedOffset)"],listeners:{"load-more-history":"loadMoreHistory_","open-menu":"openMenu_"},historyResult:function(info,results){this.initializeResults_(info,results);this.closeMenu_();if(info.term&&!this.queryState.incremental){Polymer.IronA11yAnnouncer.requestAvailability();this.fire("iron-announce",{text:md_history.HistoryItem.searchResultsTitle(results.length,info.term)})}var list=this.getSelectedList_();list.addNewResults(results,this.queryState.incremental,info.finished)},queryHistory:function(incremental){var queryState=this.queryState;var noResults=!this.queryResult||this.queryResult.results==null;if(queryState.queryingDisabled||!this.queryState.searchTerm&&noResults){return}var dialog=this.$.dialog.getIfExists();if(!incremental&&dialog&&dialog.open)dialog.close();this.set("queryState.querying",true);this.set("queryState.incremental",incremental);var lastVisitTime=0;if(incremental){var lastVisit=this.queryResult.results.slice(-1)[0];lastVisitTime=lastVisit?Math.floor(lastVisit.time):0}var maxResults=this.groupedRange==HistoryRange.ALL_TIME?RESULTS_PER_PAGE:0;chrome.send("queryHistory",[queryState.searchTerm,queryState.groupedOffset,queryState.range,lastVisitTime,maxResults])},historyDeleted:function(){if(this.getSelectedItemCount()>0)return;this.queryHistory(false)},getContentScrollTarget:function(){return this.getSelectedList_()},getSelectedItemCount:function(){return this.getSelectedList_().selectedPaths.size},unselectAllItems:function(count){var selectedList=this.getSelectedList_();if(selectedList)selectedList.unselectAllItems(count)},deleteSelectedWithPrompt:function(){if(!loadTimeData.getBoolean("allowDeletingHistory"))return;var browserService=md_history.BrowserService.getInstance();browserService.recordAction("RemoveSelected");if(this.queryState.searchTerm!="")browserService.recordAction("SearchResultRemove");this.$.dialog.get().showModal();this.$$(".action-button").focus()},groupedRangeChanged_:function(range,oldRange){this.selectedPage_=range==HistoryRange.ALL_TIME?"infinite-list":"grouped-list";if(oldRange==undefined)return;this.set("queryState.groupedOffset",0);if(this.queryResult.info){this.set("queryResult.results",[]);this.historyResult(this.queryResult.info,[])}this.queryHistory(false);this.fire("history-view-changed")},searchTermChanged_:function(){this.queryHistory(false);if(this.queryState.searchTerm)md_history.BrowserService.getInstance().recordAction("Search")},groupedOffsetChanged_:function(){this.queryHistory(false)},loadMoreHistory_:function(){this.queryHistory(true)},initializeResults_:function(info,results){if(results.length==0)return;var currentDate=results[0].dateRelativeDay;for(var i=0;i<results.length;i++){results[i].selected=false;results[i].readableTimestamp=info.term==""?results[i].dateTimeOfDay:results[i].dateShort;if(results[i].dateRelativeDay!=currentDate){currentDate=results[i].dateRelativeDay}}},onDialogConfirmTap_:function(){md_history.BrowserService.getInstance().recordAction("ConfirmRemoveSelected");this.getSelectedList_().deleteSelected();var dialog=assert(this.$.dialog.getIfExists());dialog.close()},onDialogCancelTap_:function(){md_history.BrowserService.getInstance().recordAction("CancelRemoveSelected");var dialog=assert(this.$.dialog.getIfExists());dialog.close()},closeMenu_:function(){var menu=this.$.sharedMenu.getIfExists();if(menu&&menu.open){this.actionMenuModel_=null;menu.close()}},openMenu_:function(e){var target=e.detail.target;this.actionMenuModel_=e.detail;var menu=this.$.sharedMenu.get();menu.showAt(target)},onMoreFromSiteTap_:function(){md_history.BrowserService.getInstance().recordAction("EntryMenuShowMoreFromSite");var menu=assert(this.$.sharedMenu.getIfExists());this.set("queryState.searchTerm",this.actionMenuModel_.item.domain);this.actionMenuModel_=null;this.closeMenu_()},onRemoveFromHistoryTap_:function(){var browserService=md_history.BrowserService.getInstance();browserService.recordAction("EntryMenuRemoveFromHistory");var menu=assert(this.$.sharedMenu.getIfExists());var itemData=this.actionMenuModel_;browserService.deleteItems([itemData.item]).then(function(items){this.fire("unselect-all");this.getSelectedList_().removeItemsByPath([itemData.path]);var index=itemData.index;if(index==undefined)return;var browserService=md_history.BrowserService.getInstance();browserService.recordHistogram("HistoryPage.RemoveEntryPosition",Math.min(index,UMA_MAX_BUCKET_VALUE),UMA_MAX_BUCKET_VALUE);if(index<=UMA_MAX_SUBSET_BUCKET_VALUE){browserService.recordHistogram("HistoryPage.RemoveEntryPositionSubset",index,UMA_MAX_SUBSET_BUCKET_VALUE)}}.bind(this));this.closeMenu_()},getSelectedList_:function(){return this.$$("#"+this.selectedPage_)},canDeleteHistory_:function(){return loadTimeData.getBoolean("allowDeletingHistory")}});(function(){"use strict";Polymer({is:"iron-location",properties:{path:{type:String,notify:true,value:function(){return window.decodeURIComponent(window.location.pathname)}},query:{type:String,notify:true,value:function(){return window.decodeURIComponent(window.location.search.slice(1))}},hash:{type:String,notify:true,value:function(){return window.decodeURIComponent(window.location.hash.slice(1))}},dwellTime:{type:Number,value:2e3},urlSpaceRegex:{type:String,value:""},_urlSpaceRegExp:{computed:"_makeRegExp(urlSpaceRegex)"},_lastChangedAt:{type:Number},_initialized:{type:Boolean,value:false}},hostAttributes:{hidden:true},observers:["_updateUrl(path, query, hash)"],attached:function(){this.listen(window,"hashchange","_hashChanged");this.listen(window,"location-changed","_urlChanged");this.listen(window,"popstate","_urlChanged");this.listen(document.body,"click","_globalOnClick");this._lastChangedAt=window.performance.now()-(this.dwellTime-200);this._initialized=true;this._urlChanged()},detached:function(){this.unlisten(window,"hashchange","_hashChanged");this.unlisten(window,"location-changed","_urlChanged");this.unlisten(window,"popstate","_urlChanged");this.unlisten(document.body,"click","_globalOnClick");this._initialized=false},_hashChanged:function(){this.hash=window.decodeURIComponent(window.location.hash.substring(1))},_urlChanged:function(){this._dontUpdateUrl=true;this._hashChanged();this.path=window.decodeURIComponent(window.location.pathname);this.query=window.decodeURIComponent(window.location.search.substring(1));this._dontUpdateUrl=false;this._updateUrl()},_getUrl:function(){var partiallyEncodedPath=window.encodeURI(this.path).replace(/\#/g,"%23").replace(/\?/g,"%3F");var partiallyEncodedQuery="";if(this.query){partiallyEncodedQuery="?"+window.encodeURI(this.query).replace(/\#/g,"%23")}var partiallyEncodedHash="";if(this.hash){partiallyEncodedHash="#"+window.encodeURI(this.hash)}return partiallyEncodedPath+partiallyEncodedQuery+partiallyEncodedHash},_updateUrl:function(){if(this._dontUpdateUrl||!this._initialized){return}if(this.path===window.decodeURIComponent(window.location.pathname)&&this.query===window.decodeURIComponent(window.location.search.substring(1))&&this.hash===window.decodeURIComponent(window.location.hash.substring(1))){return}var newUrl=this._getUrl();var fullNewUrl=new URL(newUrl,window.location.protocol+"//"+window.location.host).href;var now=window.performance.now();var shouldReplace=this._lastChangedAt+this.dwellTime>now;this._lastChangedAt=now;if(shouldReplace){window.history.replaceState({},"",fullNewUrl)}else{window.history.pushState({},"",fullNewUrl)}this.fire("location-changed",{},{node:window})},_globalOnClick:function(event){if(event.defaultPrevented){return}var href=this._getSameOriginLinkHref(event);if(!href){return}event.preventDefault();if(href===window.location.href){return}window.history.pushState({},"",href);this.fire("location-changed",{},{node:window})},_getSameOriginLinkHref:function(event){if(event.button!==0){return null}if(event.metaKey||event.ctrlKey){return null}var eventPath=Polymer.dom(event).path;var anchor=null;for(var i=0;i<eventPath.length;i++){var element=eventPath[i];if(element.tagName==="A"&&element.href){anchor=element;break}}if(!anchor){return null}if(anchor.target==="_blank"){return null}if((anchor.target==="_top"||anchor.target==="_parent")&&window.top!==window){return null}var href=anchor.href;var url;if(document.baseURI!=null){url=new URL(href,document.baseURI)}else{url=new URL(href)}var origin;if(window.location.origin){origin=window.location.origin}else{origin=window.location.protocol+"//"+window.location.hostname;if(window.location.port){origin+=":"+window.location.port}}if(url.origin!==origin){return null}var normalizedHref=url.pathname+url.search+url.hash;if(this._urlSpaceRegExp&&!this._urlSpaceRegExp.test(normalizedHref)){return null}var fullNormalizedHref=new URL(normalizedHref,window.location.href).href;return fullNormalizedHref},_makeRegExp:function(urlSpaceRegex){return RegExp(urlSpaceRegex)}})})();"use strict";Polymer({is:"iron-query-params",properties:{paramsString:{type:String,notify:true,observer:"paramsStringChanged"},paramsObject:{type:Object,notify:true,value:function(){return{}}},_dontReact:{type:Boolean,value:false}},hostAttributes:{hidden:true},observers:["paramsObjectChanged(paramsObject.*)"],paramsStringChanged:function(){this._dontReact=true;this.paramsObject=this._decodeParams(this.paramsString);this._dontReact=false},paramsObjectChanged:function(){if(this._dontReact){return}this.paramsString=this._encodeParams(this.paramsObject)},_encodeParams:function(params){var encodedParams=[];for(var key in params){var value=params[key];if(value===""){encodedParams.push(encodeURIComponent(key))}else if(value){encodedParams.push(encodeURIComponent(key)+"="+encodeURIComponent(value.toString()))}}return encodedParams.join("&")},_decodeParams:function(paramString){var params={};paramString=(paramString||"").replace(/\+/g,"%20");var paramList=paramString.split("&");for(var i=0;i<paramList.length;i++){var param=paramList[i].split("=");if(param[0]){params[decodeURIComponent(param[0])]=decodeURIComponent(param[1]||"")}}return params}});
+Polymer({
+  is: "history-list-container",
+  properties: {
+    groupedRange: {type: Number, observer: "groupedRangeChanged_"},
+    selectedPage_: String,
+    grouped: Boolean,
+    queryState: Object,
+    queryResult: Object,
+    actionMenuModel_: Object
+  },
+  observers: [
+    "searchTermChanged_(queryState.searchTerm)",
+    "groupedOffsetChanged_(queryState.groupedOffset)"
+  ],
+  listeners:
+      {"load-more-history": "loadMoreHistory_", "open-menu": "openMenu_"},
+  historyResult: function(info, results) {
+    this.initializeResults_(info, results);
+    this.closeMenu_();
+    if (info.term && !this.queryState.incremental) {
+      Polymer.IronA11yAnnouncer.requestAvailability();
+      this.fire("iron-announce", {
+        text:
+            md_history.HistoryItem.searchResultsTitle(results.length, info.term)
+      })
+    }
+    var list = this.getSelectedList_();
+    list.addNewResults(results, this.queryState.incremental, info.finished)
+  },
+  queryHistory: function(incremental) {
+    var queryState = this.queryState;
+    var noResults = !this.queryResult || this.queryResult.results == null;
+    if (queryState.queryingDisabled ||
+        !this.queryState.searchTerm && noResults) {
+      return
+    }
+    var dialog = this.$.dialog.getIfExists();
+    if (!incremental && dialog && dialog.open)
+      dialog.close();
+    this.set("queryState.querying", true);
+    this.set("queryState.incremental", incremental);
+    var lastVisitTime = 0;
+    if (incremental) {
+      var lastVisit = this.queryResult.results.slice(-1)[0];
+      lastVisitTime = lastVisit ? Math.floor(lastVisit.time) : 0
+    }
+    var maxResults =
+        this.groupedRange == HistoryRange.ALL_TIME ? RESULTS_PER_PAGE : 0;
+    chrome.send("queryHistory", [
+      queryState.searchTerm, queryState.groupedOffset, queryState.range,
+      lastVisitTime, maxResults
+    ])
+  },
+  historyDeleted: function() {
+    if (this.getSelectedItemCount() > 0)
+      return;
+    this.queryHistory(false)
+  },
+  getContentScrollTarget: function() {
+    return this.getSelectedList_()
+  },
+  getSelectedItemCount: function() {
+    return this.getSelectedList_().selectedPaths.size
+  },
+  unselectAllItems: function(count) {
+    var selectedList = this.getSelectedList_();
+    if (selectedList)
+      selectedList.unselectAllItems(count)
+  },
+  deleteSelectedWithPrompt: function() {
+    if (!loadTimeData.getBoolean("allowDeletingHistory"))
+      return;
+    var browserService = md_history.BrowserService.getInstance();
+    browserService.recordAction("RemoveSelected");
+    if (this.queryState.searchTerm != "")
+      browserService.recordAction("SearchResultRemove");
+    this.$.dialog.get().showModal();
+    this.$$(".action-button").focus()
+  },
+  groupedRangeChanged_: function(range, oldRange) {
+    this.selectedPage_ =
+        range == HistoryRange.ALL_TIME ? "infinite-list" : "grouped-list";
+    if (oldRange == undefined)
+      return;
+    this.set("queryState.groupedOffset", 0);
+    if (this.queryResult.info) {
+      this.set("queryResult.results", []);
+      this.historyResult(this.queryResult.info, [])
+    }
+    this.queryHistory(false);
+    this.fire("history-view-changed")
+  },
+  searchTermChanged_: function() {
+    this.queryHistory(false);
+    if (this.queryState.searchTerm)
+      md_history.BrowserService.getInstance().recordAction("Search")
+  },
+  groupedOffsetChanged_: function() {
+    this.queryHistory(false)
+  },
+  loadMoreHistory_: function() {
+    this.queryHistory(true)
+  },
+  initializeResults_: function(info, results) {
+    if (results.length == 0)
+      return;
+    var currentDate = results[0].dateRelativeDay;
+    for (var i = 0; i < results.length; i++) {
+      results[i].selected = false;
+      results[i].readableTimestamp =
+          info.term == "" ? results[i].dateTimeOfDay : results[i].dateShort;
+      if (results[i].dateRelativeDay != currentDate) {
+        currentDate = results[i].dateRelativeDay
+      }
+    }
+  },
+  onDialogConfirmTap_: function() {
+    md_history.BrowserService.getInstance().recordAction(
+        "ConfirmRemoveSelected");
+    this.getSelectedList_().deleteSelected();
+    var dialog = assert(this.$.dialog.getIfExists());
+    dialog.close()
+  },
+  onDialogCancelTap_: function() {
+    md_history.BrowserService.getInstance().recordAction(
+        "CancelRemoveSelected");
+    var dialog = assert(this.$.dialog.getIfExists());
+    dialog.close()
+  },
+  closeMenu_: function() {
+    var menu = this.$.sharedMenu.getIfExists();
+    if (menu && menu.open) {
+      this.actionMenuModel_ = null;
+      menu.close()
+    }
+  },
+  openMenu_: function(e) {
+    var target = e.detail.target;
+    this.actionMenuModel_ = e.detail;
+    var menu = this.$.sharedMenu.get();
+    menu.showAt(target)
+  },
+  onMoreFromSiteTap_: function() {
+    md_history.BrowserService.getInstance().recordAction(
+        "EntryMenuShowMoreFromSite");
+    var menu = assert(this.$.sharedMenu.getIfExists());
+    this.set("queryState.searchTerm", this.actionMenuModel_.item.domain);
+    this.actionMenuModel_ = null;
+    this.closeMenu_()
+  },
+  onRemoveFromHistoryTap_: function() {
+    var browserService = md_history.BrowserService.getInstance();
+    browserService.recordAction("EntryMenuRemoveFromHistory");
+    var menu = assert(this.$.sharedMenu.getIfExists());
+    var itemData = this.actionMenuModel_;
+    browserService.deleteItems([itemData.item]).then(function(items) {
+      this.fire("unselect-all");
+      this.getSelectedList_().removeItemsByPath([itemData.path]);
+      var index = itemData.index;
+      if (index == undefined)
+        return;
+      var browserService = md_history.BrowserService.getInstance();
+      browserService.recordHistogram(
+          "HistoryPage.RemoveEntryPosition",
+          Math.min(index, UMA_MAX_BUCKET_VALUE), UMA_MAX_BUCKET_VALUE);
+      if (index <= UMA_MAX_SUBSET_BUCKET_VALUE) {
+        browserService.recordHistogram(
+            "HistoryPage.RemoveEntryPositionSubset", index,
+            UMA_MAX_SUBSET_BUCKET_VALUE)
+      }
+    }.bind(this));
+    this.closeMenu_()
+  },
+  getSelectedList_: function() {
+    return this.$$("#" + this.selectedPage_)
+  },
+  canDeleteHistory_: function() {
+    return loadTimeData.getBoolean("allowDeletingHistory")
+  }
+});
+(function() {
+  "use strict";
+  Polymer({
+    is: "iron-location",
+    properties: {
+      path: {
+        type: String,
+        notify: true,
+        value: function() {
+          return window.decodeURIComponent(window.location.pathname)
+        }
+      },
+      query: {
+        type: String,
+        notify: true,
+        value: function() {
+          return window.decodeURIComponent(window.location.search.slice(1))
+        }
+      },
+      hash: {
+        type: String,
+        notify: true,
+        value: function() {
+          return window.decodeURIComponent(window.location.hash.slice(1))
+        }
+      },
+      dwellTime: {type: Number, value: 2e3},
+      urlSpaceRegex: {type: String, value: ""},
+      _urlSpaceRegExp: {computed: "_makeRegExp(urlSpaceRegex)"},
+      _lastChangedAt: {type: Number},
+      _initialized: {type: Boolean, value: false}
+    },
+    hostAttributes: {hidden: true},
+    observers: ["_updateUrl(path, query, hash)"],
+    attached: function() {
+      this.listen(window, "hashchange", "_hashChanged");
+      this.listen(window, "location-changed", "_urlChanged");
+      this.listen(window, "popstate", "_urlChanged");
+      this.listen(document.body, "click", "_globalOnClick");
+      this._lastChangedAt = window.performance.now() - (this.dwellTime - 200);
+      this._initialized = true;
+      this._urlChanged()
+    },
+    detached: function() {
+      this.unlisten(window, "hashchange", "_hashChanged");
+      this.unlisten(window, "location-changed", "_urlChanged");
+      this.unlisten(window, "popstate", "_urlChanged");
+      this.unlisten(document.body, "click", "_globalOnClick");
+      this._initialized = false
+    },
+    _hashChanged: function() {
+      this.hash = window.decodeURIComponent(window.location.hash.substring(1))
+    },
+    _urlChanged: function() {
+      this._dontUpdateUrl = true;
+      this._hashChanged();
+      this.path = window.decodeURIComponent(window.location.pathname);
+      this.query =
+          window.decodeURIComponent(window.location.search.substring(1));
+      this._dontUpdateUrl = false;
+      this._updateUrl()
+    },
+    _getUrl: function() {
+      var partiallyEncodedPath = window.encodeURI(this.path)
+                                     .replace(/\#/g, "%23")
+                                     .replace(/\?/g, "%3F");
+      var partiallyEncodedQuery = "";
+      if (this.query) {
+        partiallyEncodedQuery =
+            "?" + window.encodeURI(this.query).replace(/\#/g, "%23")
+      }
+      var partiallyEncodedHash = "";
+      if (this.hash) {
+        partiallyEncodedHash = "#" + window.encodeURI(this.hash)
+      }
+      return partiallyEncodedPath + partiallyEncodedQuery + partiallyEncodedHash
+    },
+    _updateUrl: function() {
+      if (this._dontUpdateUrl || !this._initialized) {
+        return
+      }
+      if (this.path === window.decodeURIComponent(window.location.pathname) &&
+          this.query ===
+              window.decodeURIComponent(window.location.search.substring(1)) &&
+          this.hash ===
+              window.decodeURIComponent(window.location.hash.substring(1))) {
+        return
+      }
+      var newUrl = this._getUrl();
+      var fullNewUrl =
+          new URL(
+              newUrl, window.location.protocol + "//" + window.location.host)
+              .href;
+      var now = window.performance.now();
+      var shouldReplace = this._lastChangedAt + this.dwellTime > now;
+      this._lastChangedAt = now;
+      if (shouldReplace) {
+        window.history.replaceState({}, "", fullNewUrl)
+      } else {
+        window.history.pushState({}, "", fullNewUrl)
+      }
+      this.fire("location-changed", {}, {node: window})
+    },
+    _globalOnClick: function(event) {
+      if (event.defaultPrevented) {
+        return
+      }
+      var href = this._getSameOriginLinkHref(event);
+      if (!href) {
+        return
+      }
+      event.preventDefault();
+      if (href === window.location.href) {
+        return
+      }
+      window.history.pushState({}, "", href);
+      this.fire("location-changed", {}, {node: window})
+    },
+    _getSameOriginLinkHref: function(event) {
+      if (event.button !== 0) {
+        return null
+      }
+      if (event.metaKey || event.ctrlKey) {
+        return null
+      }
+      var eventPath = Polymer.dom(event).path;
+      var anchor = null;
+      for (var i = 0; i < eventPath.length; i++) {
+        var element = eventPath[i];
+        if (element.tagName === "A" && element.href) {
+          anchor = element;
+          break
+        }
+      }
+      if (!anchor) {
+        return null
+      }
+      if (anchor.target === "_blank") {
+        return null
+      }
+      if ((anchor.target === "_top" || anchor.target === "_parent") &&
+          window.top !== window) {
+        return null
+      }
+      var href = anchor.href;
+      var url;
+      if (document.baseURI != null) {
+        url = new URL(href, document.baseURI)
+      } else {
+        url = new URL(href)
+      }
+      var origin;
+      if (window.location.origin) {
+        origin = window.location.origin
+      } else {
+        origin = window.location.protocol + "//" + window.location.hostname;
+        if (window.location.port) {
+          origin += ":" + window.location.port
+        }
+      }
+      if (url.origin !== origin) {
+        return null
+      }
+      var normalizedHref = url.pathname + url.search + url.hash;
+      if (this._urlSpaceRegExp && !this._urlSpaceRegExp.test(normalizedHref)) {
+        return null
+      }
+      var fullNormalizedHref =
+          new URL(normalizedHref, window.location.href).href;
+      return fullNormalizedHref
+    },
+    _makeRegExp: function(urlSpaceRegex) {
+      return RegExp(urlSpaceRegex)
+    }
+  })
+})();
+"use strict";
+Polymer({
+  is: "iron-query-params",
+  properties: {
+    paramsString: {type: String, notify: true, observer: "paramsStringChanged"},
+    paramsObject: {
+      type: Object,
+      notify: true,
+      value: function() {
+        return {}
+      }
+    },
+    _dontReact: {type: Boolean, value: false}
+  },
+  hostAttributes: {hidden: true},
+  observers: ["paramsObjectChanged(paramsObject.*)"],
+  paramsStringChanged: function() {
+    this._dontReact = true;
+    this.paramsObject = this._decodeParams(this.paramsString);
+    this._dontReact = false
+  },
+  paramsObjectChanged: function() {
+    if (this._dontReact) {
+      return
+    }
+    this.paramsString = this._encodeParams(this.paramsObject)
+  },
+  _encodeParams: function(params) {
+    var encodedParams = [];
+    for (var key in params) {
+      var value = params[key];
+      if (value === "") {
+        encodedParams.push(encodeURIComponent(key))
+      } else if (value) {
+        encodedParams.push(
+            encodeURIComponent(key) + "=" +
+            encodeURIComponent(value.toString()))
+      }
+    }
+    return encodedParams.join("&")
+  },
+  _decodeParams: function(paramString) {
+    var params = {};
+    paramString = (paramString || "").replace(/\+/g, "%20");
+    var paramList = paramString.split("&");
+    for (var i = 0; i < paramList.length; i++) {
+      var param = paramList[i].split("=");
+      if (param[0]) {
+        params[decodeURIComponent(param[0])] =
+            decodeURIComponent(param[1] || "")
+      }
+    }
+    return params
+  }
+});
 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
-Polymer({is:"history-router",properties:{selectedPage:{type:String,observer:"serializePath_",notify:true},queryState:{type:Object,notify:true},path_:{type:String,observer:"pathChanged_"},queryParams_:Object},observers:["queryParamsChanged_(queryParams_.*)","searchTermChanged_(queryState.searchTerm)"],attached:function(){if(window.location.hash){window.location.href=window.location.href.split("#")[0]+"?"+window.location.hash.substr(1)}},serializePath_:function(){var page=this.selectedPage=="history"?"":this.selectedPage;this.path_="/"+page},pathChanged_:function(){var sections=this.path_.substr(1).split("/");this.selectedPage=sections[0]||"history"},queryParamsChanged_:function(){this.set("queryState.searchTerm",this.queryParams_.q||"")},searchTermChanged_:function(){this.set("queryParams_.q",this.queryState.searchTerm||null)}});Polymer.IronMultiSelectableBehaviorImpl={properties:{multi:{type:Boolean,value:false,observer:"multiChanged"},selectedValues:{type:Array,notify:true},selectedItems:{type:Array,readOnly:true,notify:true}},observers:["_updateSelected(selectedValues.splices)"],select:function(value){if(this.multi){if(this.selectedValues){this._toggleSelected(value)}else{this.selectedValues=[value]}}else{this.selected=value}},multiChanged:function(multi){this._selection.multi=multi},get _shouldUpdateSelection(){return this.selected!=null||this.selectedValues!=null&&this.selectedValues.length},_updateAttrForSelected:function(){if(!this.multi){Polymer.IronSelectableBehavior._updateAttrForSelected.apply(this)}else if(this._shouldUpdateSelection){this.selectedValues=this.selectedItems.map(function(selectedItem){return this._indexToValue(this.indexOf(selectedItem))},this).filter(function(unfilteredValue){return unfilteredValue!=null},this)}},_updateSelected:function(){if(this.multi){this._selectMulti(this.selectedValues)}else{this._selectSelected(this.selected)}},_selectMulti:function(values){if(values){var selectedItems=this._valuesToItems(values);this._selection.clear(selectedItems);for(var i=0;i<selectedItems.length;i++){this._selection.setItemSelected(selectedItems[i],true)}if(this.fallbackSelection&&this.items.length&&!this._selection.get().length){var fallback=this._valueToItem(this.fallbackSelection);if(fallback){this.selectedValues=[this.fallbackSelection]}}}else{this._selection.clear()}},_selectionChange:function(){var s=this._selection.get();if(this.multi){this._setSelectedItems(s)}else{this._setSelectedItems([s]);this._setSelectedItem(s)}},_toggleSelected:function(value){var i=this.selectedValues.indexOf(value);var unselected=i<0;if(unselected){this.push("selectedValues",value)}else{this.splice("selectedValues",i,1)}},_valuesToItems:function(values){return values==null?null:values.map(function(value){return this._valueToItem(value)},this)}};Polymer.IronMultiSelectableBehavior=[Polymer.IronSelectableBehavior,Polymer.IronMultiSelectableBehaviorImpl];Polymer({is:"iron-selector",behaviors:[Polymer.IronMultiSelectableBehavior]});
+Polymer({
+  is: "history-router",
+  properties: {
+    selectedPage: {type: String, observer: "serializePath_", notify: true},
+    queryState: {type: Object, notify: true},
+    path_: {type: String, observer: "pathChanged_"},
+    queryParams_: Object
+  },
+  observers: [
+    "queryParamsChanged_(queryParams_.*)",
+    "searchTermChanged_(queryState.searchTerm)"
+  ],
+  attached: function() {
+    if (window.location.hash) {
+      window.location.href = window.location.href.split("#")[0] + "?" +
+          window.location.hash.substr(1)
+    }
+  },
+  serializePath_: function() {
+    var page = this.selectedPage == "history" ? "" : this.selectedPage;
+    this.path_ = "/" + page
+  },
+  pathChanged_: function() {
+    var sections = this.path_.substr(1).split("/");
+    this.selectedPage = sections[0] || "history"
+  },
+  queryParamsChanged_: function() {
+    this.set("queryState.searchTerm", this.queryParams_.q || "")
+  },
+  searchTermChanged_: function() {
+    this.set("queryParams_.q", this.queryState.searchTerm || null)
+  }
+});
+Polymer.IronMultiSelectableBehaviorImpl = {
+  properties: {
+    multi: {type: Boolean, value: false, observer: "multiChanged"},
+    selectedValues: {type: Array, notify: true},
+    selectedItems: {type: Array, readOnly: true, notify: true}
+  },
+  observers: ["_updateSelected(selectedValues.splices)"],
+  select: function(value) {
+    if (this.multi) {
+      if (this.selectedValues) {
+        this._toggleSelected(value)
+      } else {
+        this.selectedValues = [value]
+      }
+    } else {
+      this.selected = value
+    }
+  },
+  multiChanged: function(multi) {
+    this._selection.multi = multi
+  },
+  get _shouldUpdateSelection() {
+    return this.selected != null ||
+        this.selectedValues != null && this.selectedValues.length
+  },
+  _updateAttrForSelected: function() {
+    if (!this.multi) {
+      Polymer.IronSelectableBehavior._updateAttrForSelected.apply(this)
+    } else if (this._shouldUpdateSelection) {
+      this.selectedValues =
+          this.selectedItems
+              .map(
+                  function(selectedItem) {
+                    return this._indexToValue(this.indexOf(selectedItem))
+                  },
+                  this)
+              .filter(function(unfilteredValue) {
+                return unfilteredValue != null
+              }, this)
+    }
+  },
+  _updateSelected: function() {
+    if (this.multi) {
+      this._selectMulti(this.selectedValues)
+    } else {
+      this._selectSelected(this.selected)
+    }
+  },
+  _selectMulti: function(values) {
+    if (values) {
+      var selectedItems = this._valuesToItems(values);
+      this._selection.clear(selectedItems);
+      for (var i = 0; i < selectedItems.length; i++) {
+        this._selection.setItemSelected(selectedItems[i], true)
+      }
+      if (this.fallbackSelection && this.items.length &&
+          !this._selection.get().length) {
+        var fallback = this._valueToItem(this.fallbackSelection);
+        if (fallback) {
+          this.selectedValues = [this.fallbackSelection]
+        }
+      }
+    } else {
+      this._selection.clear()
+    }
+  },
+  _selectionChange: function() {
+    var s = this._selection.get();
+    if (this.multi) {
+      this._setSelectedItems(s)
+    } else {
+      this._setSelectedItems([s]);
+      this._setSelectedItem(s)
+    }
+  },
+  _toggleSelected: function(value) {
+    var i = this.selectedValues.indexOf(value);
+    var unselected = i < 0;
+    if (unselected) {
+      this.push("selectedValues", value)
+    } else {
+      this.splice("selectedValues", i, 1)
+    }
+  },
+  _valuesToItems: function(values) {
+    return values == null ? null : values.map(function(value) {
+      return this._valueToItem(value)
+    }, this)
+  }
+};
+Polymer.IronMultiSelectableBehavior =
+    [Polymer.IronSelectableBehavior, Polymer.IronMultiSelectableBehaviorImpl];
+Polymer(
+    {is: "iron-selector", behaviors: [Polymer.IronMultiSelectableBehavior]});
 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
-Polymer({is:"history-side-bar",behaviors:[Polymer.IronA11yKeysBehavior],properties:{selectedPage:{type:String,notify:true},drawer:{type:Boolean,reflectToAttribute:true},showFooter:Boolean},keyBindings:{"space:keydown":"onSpacePressed_"},onSpacePressed_:function(e){e.detail.keyboardEvent.path[0].click()},onSelectorActivate_:function(){this.fire("history-close-drawer")},onClearBrowsingDataTap_:function(e){var browserService=md_history.BrowserService.getInstance();browserService.recordAction("InitClearBrowsingData");browserService.openClearBrowsingData();this.$["cbd-ripple"].upAction();e.preventDefault()},onItemClick_:function(e){e.preventDefault()}});
+Polymer({
+  is: "history-side-bar",
+  behaviors: [Polymer.IronA11yKeysBehavior],
+  properties: {
+    selectedPage: {type: String, notify: true},
+    drawer: {type: Boolean, reflectToAttribute: true},
+    showFooter: Boolean
+  },
+  keyBindings: {"space:keydown": "onSpacePressed_"},
+  onSpacePressed_: function(e) {
+    e.detail.keyboardEvent.path[0].click()
+  },
+  onSelectorActivate_: function() {
+    this.fire("history-close-drawer")
+  },
+  onClearBrowsingDataTap_: function(e) {
+    var browserService = md_history.BrowserService.getInstance();
+    browserService.recordAction("InitClearBrowsingData");
+    browserService.openClearBrowsingData();
+    this.$["cbd-ripple"].upAction();
+    e.preventDefault()
+  },
+  onItemClick_: function(e) {
+    e.preventDefault()
+  }
+});
 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
-cr.define("md_history",function(){var lazyLoadPromise=null;function ensureLazyLoaded(){if(!lazyLoadPromise){lazyLoadPromise=new Promise(function(resolve,reject){Polymer.Base.importHref("chrome://history/lazy_load.html",resolve,reject,true)})}return lazyLoadPromise}return{ensureLazyLoaded:ensureLazyLoaded}});Polymer({is:"history-app",behaviors:[Polymer.IronScrollTargetBehavior],properties:{selectedPage_:{type:String,observer:"selectedPageChanged_"},grouped_:{type:Boolean,reflectToAttribute:true},queryState_:{type:Object,value:function(){return{incremental:false,querying:true,queryingDisabled:false,_range:HistoryRange.ALL_TIME,searchTerm:"",groupedOffset:0,set range(val){this._range=Number(val)},get range(){return this._range}}}},queryResult_:{type:Object,value:function(){return{info:null,results:null,sessionList:null}}},isUserSignedIn_:{type:Boolean,value:loadTimeData.getBoolean("isUserSignedIn")},toolbarShadow_:{type:Boolean,reflectToAttribute:true,notify:true},showMenuPromo_:{type:Boolean,value:function(){return loadTimeData.getBoolean("showMenuPromo")}},hasDrawer_:Boolean,showSidebarFooter:Boolean,hasSyncedResults:Boolean},listeners:{"cr-toolbar-menu-promo-close":"onCrToolbarMenuPromoClose_","cr-toolbar-menu-promo-shown":"onCrToolbarMenuPromoShown_","cr-toolbar-menu-tap":"onCrToolbarMenuTap_","delete-selected":"deleteSelected","history-checkbox-select":"checkboxSelected","history-close-drawer":"closeDrawer_","history-view-changed":"historyViewChanged_","opened-changed":"onOpenedChanged_","unselect-all":"unselectAll"},boundOnCanExecute_:null,boundOnCommand_:null,attached:function(){this.grouped_=loadTimeData.getBoolean("groupByDomain");cr.ui.decorate("command",cr.ui.Command);this.boundOnCanExecute_=this.onCanExecute_.bind(this);this.boundOnCommand_=this.onCommand_.bind(this);document.addEventListener("canExecute",this.boundOnCanExecute_);document.addEventListener("command",this.boundOnCommand_)},detached:function(){document.removeEventListener("canExecute",this.boundOnCanExecute_);document.removeEventListener("command",this.boundOnCommand_)},onFirstRender:function(){setTimeout(function(){chrome.send("metricsHandler:recordTime",["History.ResultsRenderedTime",window.performance.now()])});var searchField=this.$.toolbar.searchField;if(!searchField.narrow){searchField.getSearchInput().focus()}md_history.ensureLazyLoaded().then(function(){window.requestIdleCallback(function(){document.fonts.load("bold 12px Roboto")})})},_scrollHandler:function(){if(this.scrollTarget)this.toolbarShadow_=this.scrollTarget.scrollTop!=0},onCrToolbarMenuPromoClose_:function(){this.showMenuPromo_=false},onCrToolbarMenuPromoShown_:function(){md_history.BrowserService.getInstance().menuPromoShown()},onCrToolbarMenuTap_:function(){var drawer=this.$$("#drawer");if(drawer)drawer.toggle()},onOpenedChanged_:function(e){if(e.detail.value)this.showMenuPromo_=false},checkboxSelected:function(e){var toolbar=this.$.toolbar;toolbar.count=this.$.history.getSelectedItemCount()},unselectAll:function(){var listContainer=this.$.history;var toolbar=this.$.toolbar;listContainer.unselectAllItems(toolbar.count);toolbar.count=0},deleteSelected:function(){this.$.history.deleteSelectedWithPrompt()},historyResult:function(info,results){this.set("queryState_.querying",false);this.set("queryResult_.info",info);this.set("queryResult_.results",results);var listContainer=this.$["history"];listContainer.historyResult(info,results)},focusToolbarSearchField:function(){this.$.toolbar.showSearchField()},onCanExecute_:function(e){e=e;switch(e.command.id){case"find-command":case"toggle-grouped":e.canExecute=true;break;case"slash-command":e.canExecute=!this.$.toolbar.searchField.isSearchFocused();break;case"delete-command":e.canExecute=this.$.toolbar.count>0;break}},onCommand_:function(e){if(e.command.id=="find-command"||e.command.id=="slash-command")this.focusToolbarSearchField();if(e.command.id=="delete-command")this.deleteSelected();if(e.command.id=="toggle-grouped")this.grouped_=!this.grouped_},setForeignSessions:function(sessionList){this.set("queryResult_.sessionList",sessionList)},historyDeleted:function(){this.$.history.historyDeleted()},updateSignInState:function(isUserSignedIn){this.isUserSignedIn_=isUserSignedIn},syncedTabsSelected_:function(selectedPage){return selectedPage=="syncedTabs"},shouldShowSpinner_:function(querying,incremental,searchTerm){return querying&&!incremental&&searchTerm!=""},showSyncNotice_:function(hasSyncedResults,selectedPage){return hasSyncedResults&&selectedPage!="syncedTabs"},selectedPageChanged_:function(){this.unselectAll();this.historyViewChanged_()},historyViewChanged_:function(){requestAnimationFrame(function(){md_history.ensureLazyLoaded().then(function(){if(!this.$.content.selectedItem)return;this.scrollTarget=this.$.content.selectedItem.getContentScrollTarget();this._scrollHandler()}.bind(this))}.bind(this));this.recordHistoryPageView_()},getSelectedPage_:function(selectedPage,items){return selectedPage},closeDrawer_:function(){var drawer=this.$$("#drawer");if(drawer)drawer.close()},recordHistoryPageView_:function(){var histogramValue=HistoryPageViewHistogram.END;switch(this.selectedPage_){case"syncedTabs":histogramValue=this.isUserSignedIn_?HistoryPageViewHistogram.SYNCED_TABS:HistoryPageViewHistogram.SIGNIN_PROMO;break;default:switch(this.queryState_.range){case HistoryRange.ALL_TIME:histogramValue=HistoryPageViewHistogram.HISTORY;break;case HistoryRange.WEEK:histogramValue=HistoryPageViewHistogram.GROUPED_WEEK;break;case HistoryRange.MONTH:histogramValue=HistoryPageViewHistogram.GROUPED_MONTH;break}break}md_history.BrowserService.getInstance().recordHistogram("History.HistoryPageView",histogramValue,HistoryPageViewHistogram.END)}});
+cr.define("md_history", function() {
+  var lazyLoadPromise = null;
+  function ensureLazyLoaded() {
+    if (!lazyLoadPromise) {
+      lazyLoadPromise = new Promise(function(resolve, reject) {
+        Polymer.Base.importHref(
+            "chrome://history/lazy_load.html", resolve, reject, true)
+      })
+    }
+    return lazyLoadPromise
+  }
+  return {
+    ensureLazyLoaded: ensureLazyLoaded
+  }
+});
+Polymer({
+  is: "history-app",
+  behaviors: [Polymer.IronScrollTargetBehavior],
+  properties: {
+    selectedPage_: {type: String, observer: "selectedPageChanged_"},
+    grouped_: {type: Boolean, reflectToAttribute: true},
+    queryState_: {
+      type: Object,
+      value: function() {
+        return {
+          incremental: false, querying: true, queryingDisabled: false,
+              _range: HistoryRange.ALL_TIME, searchTerm: "", groupedOffset: 0,
+              set range(val){this._range = Number(val)}, get range() {
+            return this._range
+          }
+        }
+      }
+    },
+    queryResult_: {
+      type: Object,
+      value: function() {
+        return {
+          info: null, results: null, sessionList: null
+        }
+      }
+    },
+    isUserSignedIn_:
+        {type: Boolean, value: loadTimeData.getBoolean("isUserSignedIn")},
+    toolbarShadow_: {type: Boolean, reflectToAttribute: true, notify: true},
+    showMenuPromo_: {
+      type: Boolean,
+      value: function() {
+        return loadTimeData.getBoolean("showMenuPromo")
+      }
+    },
+    hasDrawer_: Boolean,
+    showSidebarFooter: Boolean,
+    hasSyncedResults: Boolean
+  },
+  listeners: {
+    "cr-toolbar-menu-promo-close": "onCrToolbarMenuPromoClose_",
+    "cr-toolbar-menu-promo-shown": "onCrToolbarMenuPromoShown_",
+    "cr-toolbar-menu-tap": "onCrToolbarMenuTap_",
+    "delete-selected": "deleteSelected",
+    "history-checkbox-select": "checkboxSelected",
+    "history-close-drawer": "closeDrawer_",
+    "history-view-changed": "historyViewChanged_",
+    "opened-changed": "onOpenedChanged_",
+    "unselect-all": "unselectAll"
+  },
+  boundOnCanExecute_: null,
+  boundOnCommand_: null,
+  attached: function() {
+    this.grouped_ = loadTimeData.getBoolean("groupByDomain");
+    cr.ui.decorate("command", cr.ui.Command);
+    this.boundOnCanExecute_ = this.onCanExecute_.bind(this);
+    this.boundOnCommand_ = this.onCommand_.bind(this);
+    document.addEventListener("canExecute", this.boundOnCanExecute_);
+    document.addEventListener("command", this.boundOnCommand_)
+  },
+  detached: function() {
+    document.removeEventListener("canExecute", this.boundOnCanExecute_);
+    document.removeEventListener("command", this.boundOnCommand_)
+  },
+  onFirstRender: function() {
+    setTimeout(function() {
+      chrome.send(
+          "metricsHandler:recordTime",
+          ["History.ResultsRenderedTime", window.performance.now()])
+    });
+    var searchField = this.$.toolbar.searchField;
+    if (!searchField.narrow) {
+      searchField.getSearchInput().focus()
+    }
+    md_history.ensureLazyLoaded().then(function() {
+      window.requestIdleCallback(function() {
+        document.fonts.load("bold 12px Roboto")
+      })
+    })
+  },
+  _scrollHandler: function() {
+    if (this.scrollTarget)
+      this.toolbarShadow_ = this.scrollTarget.scrollTop != 0
+  },
+  onCrToolbarMenuPromoClose_: function() {
+    this.showMenuPromo_ = false
+  },
+  onCrToolbarMenuPromoShown_: function() {
+    md_history.BrowserService.getInstance().menuPromoShown()
+  },
+  onCrToolbarMenuTap_: function() {
+    var drawer = this.$$("#drawer");
+    if (drawer)
+      drawer.toggle()
+  },
+  onOpenedChanged_: function(e) {
+    if (e.detail.value)
+      this.showMenuPromo_ = false
+  },
+  checkboxSelected: function(e) {
+    var toolbar = this.$.toolbar;
+    toolbar.count = this.$.history.getSelectedItemCount()
+  },
+  unselectAll: function() {
+    var listContainer = this.$.history;
+    var toolbar = this.$.toolbar;
+    listContainer.unselectAllItems(toolbar.count);
+    toolbar.count = 0
+  },
+  deleteSelected: function() {
+    this.$.history.deleteSelectedWithPrompt()
+  },
+  historyResult: function(info, results) {
+    this.set("queryState_.querying", false);
+    this.set("queryResult_.info", info);
+    this.set("queryResult_.results", results);
+    var listContainer = this.$["history"];
+    listContainer.historyResult(info, results)
+  },
+  focusToolbarSearchField: function() {
+    this.$.toolbar.showSearchField()
+  },
+  onCanExecute_: function(e) {
+    e = e;
+    switch (e.command.id) {
+      case "find-command":
+      case "toggle-grouped":
+        e.canExecute = true;
+        break;
+      case "slash-command":
+        e.canExecute = !this.$.toolbar.searchField.isSearchFocused();
+        break;
+      case "delete-command":
+        e.canExecute = this.$.toolbar.count > 0;
+        break
+    }
+  },
+  onCommand_: function(e) {
+    if (e.command.id == "find-command" || e.command.id == "slash-command")
+      this.focusToolbarSearchField();
+    if (e.command.id == "delete-command")
+      this.deleteSelected();
+    if (e.command.id == "toggle-grouped")
+      this.grouped_ = !this.grouped_
+  },
+  setForeignSessions: function(sessionList) {
+    this.set("queryResult_.sessionList", sessionList)
+  },
+  historyDeleted: function() {
+    this.$.history.historyDeleted()
+  },
+  updateSignInState: function(isUserSignedIn) {
+    this.isUserSignedIn_ = isUserSignedIn
+  },
+  syncedTabsSelected_: function(selectedPage) {
+    return selectedPage == "syncedTabs"
+  },
+  shouldShowSpinner_: function(querying, incremental, searchTerm) {
+    return querying && !incremental && searchTerm != ""
+  },
+  showSyncNotice_: function(hasSyncedResults, selectedPage) {
+    return hasSyncedResults && selectedPage != "syncedTabs"
+  },
+  selectedPageChanged_: function() {
+    this.unselectAll();
+    this.historyViewChanged_()
+  },
+  historyViewChanged_: function() {
+    requestAnimationFrame(function() {
+      md_history.ensureLazyLoaded().then(function() {
+        if (!this.$.content.selectedItem)
+          return;
+        this.scrollTarget =
+            this.$.content.selectedItem.getContentScrollTarget();
+        this._scrollHandler()
+      }.bind(this))
+    }.bind(this));
+    this.recordHistoryPageView_()
+  },
+  getSelectedPage_: function(selectedPage, items) {
+    return selectedPage
+  },
+  closeDrawer_: function() {
+    var drawer = this.$$("#drawer");
+    if (drawer)
+      drawer.close()
+  },
+  recordHistoryPageView_: function() {
+    var histogramValue = HistoryPageViewHistogram.END;
+    switch (this.selectedPage_) {
+      case "syncedTabs":
+        histogramValue = this.isUserSignedIn_ ?
+            HistoryPageViewHistogram.SYNCED_TABS :
+            HistoryPageViewHistogram.SIGNIN_PROMO;
+        break;
+      default:
+        switch (this.queryState_.range) {
+          case HistoryRange.ALL_TIME:
+            histogramValue = HistoryPageViewHistogram.HISTORY;
+            break;
+          case HistoryRange.WEEK:
+            histogramValue = HistoryPageViewHistogram.GROUPED_WEEK;
+            break;
+          case HistoryRange.MONTH:
+            histogramValue = HistoryPageViewHistogram.GROUPED_MONTH;
+            break
+        }
+        break
+    }
+    md_history.BrowserService.getInstance().recordHistogram(
+        "History.HistoryPageView", histogramValue, HistoryPageViewHistogram.END)
+  }
+});