Update bower.json for Polymer elements and add PRESUBMIT.py

third_party/polymer/v1_0/components/polymer-externs/polymer.externs.js

Index: third_party/polymer/v1_0/components/polymer-externs/polymer.externs.js
diff --git a/third_party/polymer/v1_0/components/polymer-externs/polymer.externs.js b/third_party/polymer/v1_0/components/polymer-externs/polymer.externs.js
index 41008e3bdf1fbadbfaf97df69e202fdc42615a5b..abc7de6a4f0a0aa074560abf2c98bf7e1ded3e2d 100644
--- a/third_party/polymer/v1_0/components/polymer-externs/polymer.externs.js
+++ b/third_party/polymer/v1_0/components/polymer-externs/polymer.externs.js
@@ -72,6 +72,8 @@ PolymerElement.prototype.observers;
 PolymerElement.prototype.created = function() {};
 /** On ready callback. */
 PolymerElement.prototype.ready = function() {};
+/** On registered callback. */
+PolymerElement.prototype.registered = function() {};
 /** On attached to the DOM callback. */
 PolymerElement.prototype.attached = function() {};
 /** On detached from the DOM callback. */
@@ -236,6 +238,11 @@ PolymerElement.prototype.setScrollDirection = function(direction, node) {};
  */
 PolymerElement.prototype.async = function(method, wait) {};
 
+/**
+ * @param {...*} var_args
+ */
+PolymerElement.prototype.factoryImpl = function(var_args) {};
+
 Polymer.Base;
 
 /**
@@ -413,7 +420,7 @@ PolymerDomApi.prototype.querySelector = function(selector) {};
 
 /**
  * @param {string} selector
- * @return {!Array<?HTMLElement>}
+ * @return {!Array<!HTMLElement>}
  */
 PolymerDomApi.prototype.querySelectorAll = function(selector) {};
 
@@ -441,6 +448,12 @@ PolymerDomApi.prototype.removeAttribute = function(attribute) {};
 PolymerDomApi.prototype.classList;
 
 /**
+ * @param {string} selector
+ * @return {!Array<!HTMLElement>}
+ */
+PolymerDomApi.prototype.queryDistributedElements = function(selector) {};
+
+/**
  * A Polymer Event API.
  *
  * @constructor
@@ -485,6 +498,34 @@ Polymer.CaseMap.camelToDashCase = function(camel) {};
 
 
 /**
+ * Settings pulled from
+ * https://github.com/Polymer/polymer/blob/master/src/lib/settings.html
+ */
+Polymer.Settings;
+
+/** @type {boolean} */
+Polymer.Settings.wantShadow;
+
+/** @type {boolean} */
+Polymer.Settings.hasShadow;
+
+/** @type {boolean} */
+Polymer.Settings.nativeShadow;
+
+/** @type {boolean} */
+Polymer.Settings.useShadow;
+
+/** @type {boolean} */
+Polymer.Settings.useNativeShadow;
+
+/** @type {boolean} */
+Polymer.Settings.useNativeImports;
+
+/** @type {boolean} */
+Polymer.Settings.useNativeCustomElements;
+
+
+/**
  * An Event type fired when moving while finger/button is down.
  * state - a string indicating the tracking state:
  *     + start: fired when tracking is first detected (finger/button down and