Added Dartium changes onto 45.0.2454.104

Source/devtools/front_end/workspace/UISourceCode.js

 /*
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 21 matching lines @@
 /**
  * @constructor
  * @extends {WebInspector.Object}
  * @implements {WebInspector.ContentProvider}
  * @param {!WebInspector.Project} project
  * @param {string} parentPath
  * @param {string} name
  * @param {string} originURL
  * @param {string} url
  * @param {!WebInspector.ResourceType} contentType
+ * @param {string=} language
  */
-WebInspector.UISourceCode = function(project, parentPath, name, originURL, url, contentType)
+WebInspector.UISourceCode = function(project, parentPath, name, originURL, url, contentType, language)
 {
     this._project = project;
     this._parentPath = parentPath;
     this._name = name;
     this._originURL = originURL;
     this._url = url;
     this._contentType = contentType;
     /** @type {!Array.<function(?string)>} */
     this._requestContentCallbacks = [];
+    this.language = url.endsWith(".dart") ? "Dart" : "JavaScript";
 
     /** @type {!Array.<!WebInspector.Revision>} */
     this.history = [];
 }
 
 /**
  * @enum {string}
  */
 WebInspector.UISourceCode.Events = {
     WorkingCopyChanged: "WorkingCopyChanged",
@@ skipping 656 matching lines @@
      * @param {string} query
      * @param {boolean} caseSensitive
      * @param {boolean} isRegex
      * @param {function(!Array.<!WebInspector.ContentProvider.SearchMatch>)} callback
      */
     searchInContent: function(query, caseSensitive, isRegex, callback)
     {
         callback([]);
     }
 }