Remove third_party/polymer from .gitignore

third_party/polymer/v1_0/components/more-routing/route.html

-<!--
-Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
-This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
-The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
-The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
-Code distributed by Google as part of the polymer project is also
-subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
--->
-<link rel="import" href="emitter.html">
-<link rel="import" href="params.html">
-
-<script>
-(function(scope) {
-var MoreRouting = scope.MoreRouting = scope.MoreRouting || {};
-MoreRouting.Route = Route;
-
-// Note that this can differ from the part separator defined by the driver. The
-// driver's separator is used when parsing/generating URLs given to the client,
-// whereas this one is for route definitions.
-var PART_SEPARATOR    = '/';
-var PARAM_SENTINEL    = ':';
-var SEPARATOR_CLEANER = /\/\/+/g;
-
-/**
- * TODO(nevir): Docs.
- */
-function Route(path, parent) {
-  // For `MoreRouting.Emitter`; Emits changes for `active`.
-  this.__listeners = [];
-
-  this.path     = path;
-  this.parent   = parent;
-  this.fullPath = path;
-  this.compiled = this._compile(this.path);
-  this.active   = false;
-  this.driver   = null;
-
-  var params = MoreRouting.Params(namedParams(this.compiled), this.parent && this.parent.params);
-  params.__subscribe(this._navigateToParams.bind(this));
-  Object.defineProperty(this, 'params', {
-    get: function() { return params; },
-    set: function() { throw new Error('Route#params cannot be overwritten'); },
-  });
-
-  this.parts    = [];
-  this.children = [];
-
-  // Param values matching the current URL, or an empty object if not `active`.
-  //
-  // To make data "binding" easy, `Route` guarantees that `params` will always
-  // be the same object; just make a reference to it.
-  if (this.parent) {
-    this.parent.children.push(this);
-    this.fullPath  = this.parent.fullPath + this.fullPath;
-    this.depth     = this.parent.depth + this.compiled.length;
-    this.numParams = this.parent.numParams + countParams(this.compiled);
-  } else {
-    this.depth     = this.compiled.length;
-    this.numParams = countParams(this.compiled);
-  }
-}
-Route.prototype = Object.create(MoreRouting.Emitter);
-
-Object.defineProperty(Route.prototype, 'active', {
-  get: function() {
-    return this._active;
-  },
-  set: function(value) {
-    if (value !== this._active);
-    this._active = value;
-    this.__notify('active', value);
-  },
-});
-
-Route.isPath = function isPath(pathOrName) {
-  return pathOrName.indexOf(PART_SEPARATOR) === 0;
-};
-
-Route.joinPath = function joinPath(paths) {
-  var joined = Array.prototype.join.call(arguments, PART_SEPARATOR);
-  joined = joined.replace(SEPARATOR_CLEANER, PART_SEPARATOR);
-
-  var minLength = joined.length - PART_SEPARATOR.length;
-  if (joined.substr(minLength) === PART_SEPARATOR) {
-    joined = joined.substr(0, minLength);
-  }
-
-  return joined;
-};
-
-Route.prototype.urlFor = function urlFor(params) {
-  return this.driver.urlForParts(this.partsForParams(params));
-};
-
-Route.prototype.navigateTo = function navigateTo(params) {
-  return this.driver.navigateToParts(this.partsForParams(params));
-}
-
-Route.prototype.isCurrentUrl = function isCurrentUrl(params) {
-  if (!this.active) return false;
-  var currentKeys = Object.keys(this.params);
-  for (var i = 0, key; key = currentKeys[i]; i++) {
-    if (this.params[key] !== String(params[key])) {
-      return false;
-    }
-  }
-  return true;
-};
-
-// Driver Interface
-
-Route.prototype.partsForParams = function partsForParams(params, silent) {
-  var parts = this.parent && this.parent.partsForParams(params, silent) || [];
-  for (var i = 0, config; config = this.compiled[i]; i++) {
-    if (config.type === 'static') {
-      parts.push(config.part);
-    } else if (config.type === 'param') {
-      var value
-      if (params && config.name in params) {
-        value = params[config.name];
-      } else {
-        value = this.params[config.name];
-      }
-      if (value === undefined) {
-        if (silent) {
-          return null;
-        } else {
-          throw new Error('Missing param "' + config.name + '" for route ' + this);
-        }
-      }
-      parts.push(value);
-    }
-  }
-  return parts;
-};
-
-/**
- * Called by the driver whenever it has detected a change to the URL.
- *
- * @param {Array.<String>|null} parts The parts of the URL, or null if the
- *     route should be disabled.
- */
-Route.prototype.processPathParts = function processPathParts(parts) {
-  this.parts  = parts;
-  this.active = this.matchesPathParts(parts);
-
-  // We don't want to notify of these changes; they'd be no-op noise.
-  this.params.__silent = true;
-
-  if (this.active) {
-    var keys = Object.keys(this.params);
-    for (var i = 0; i < keys.length; i++) {
-      delete this.params[keys[i]];
-    }
-    for (var i = 0, config; config = this.compiled[i]; i++) {
-      if (config.type === 'param') {
-        this.params[config.name] = parts[i];
-      }
-    }
-  } else {
-    for (key in this.params) {
-      this.params[key] = undefined;
-    }
-  }
-
-  delete this.params.__silent;
-};
-
-Route.prototype.matchesPathParts = function matchesPathParts(parts) {
-  if (!parts) return false;
-  if (parts.length < this.compiled.length) return false;
-  for (var i = 0, config; config = this.compiled[i]; i++) {
-    if (config.type === 'static' && parts[i] !== config.part) {
-      return false;
-    }
-  }
-  return true;
-};
-
-Route.prototype.toString = function toString() {
-  return this.path;
-};
-
-// Internal Implementation
-
-Route.prototype._compile = function _compile(rawPath) {
-  // Not strictly required, but helps us stay consistent w/ `getRoute`, etc.
-  if (rawPath.indexOf(PART_SEPARATOR) !== 0) {
-    throw new Error('Route paths must begin with a path separator; got: "' + rawPath + '"');
-  }
-  var path = rawPath.substr(PART_SEPARATOR.length);
-  if (path === '') return [];
-
-  return path.split(PART_SEPARATOR).map(function(part) {
-    // raw fragment.
-    if (part.substr(0, 1) == PARAM_SENTINEL) {
-      return {type: 'param', name: part.substr(1)};
-    } else {
-      return {type: 'static', part: part};
-    }
-  });
-};
-
-Route.prototype._navigateToParams = function _navigateToParams() {
-  var parts = this.partsForParams(this.params, true);
-  if (!parts) return;
-  this.driver.navigateToParts(parts);
-};
-
-function countParams(compiled) {
-  return compiled.reduce(function(count, part) {
-    return count + (part.type === 'param' ? 1 : 0);
-  }, 0);
-}
-
-function namedParams(compiled) {
-  var result = [];
-  compiled.forEach(function(part) {
-    if (part.type === 'static') return;
-    result.push(part.name);
-  });
-  return result;
-}
-
-})(window);
-</script>