Devtools: Fix SASS mappings with workers

third_party/WebKit/Source/devtools/front_end/bindings/SASSSourceMapping.js

 /*
  * Copyright (C) 2012 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 14 matching lines @@
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 /**
  * @constructor
  * @implements {WebInspector.CSSSourceMapping}
  * @param {!WebInspector.CSSStyleModel} cssModel
- * @param {!WebInspector.Workspace} workspace
  * @param {!WebInspector.NetworkMapping} networkMapping
  * @param {!WebInspector.NetworkProject} networkProject
  */
-WebInspector.SASSSourceMapping = function(cssModel, workspace, networkMapping, networkProject)
+WebInspector.SASSSourceMapping = function(cssModel, networkMapping, networkProject)
 {
     this._cssModel = cssModel;
-    this._workspace = workspace;
     this._networkProject = networkProject;
     this._reset();
     WebInspector.moduleSetting("cssSourceMapsEnabled").addChangeListener(this._toggleSourceMapSupport, this);
     this._cssModel.addEventListener(WebInspector.CSSStyleModel.Events.StyleSheetChanged, this._styleSheetChanged, this);
-    this._workspace.addEventListener(WebInspector.Workspace.Events.ProjectRemoved, this._reset, this);
+    cssModel.target().resourceTreeModel.addEventListener(WebInspector.ResourceTreeModel.EventTypes.MainFrameNavigated, this._reset, this);
     this._networkMapping = networkMapping;
 }
 
 WebInspector.SASSSourceMapping.prototype = {
     /**
      * @param {!WebInspector.Event} event
      */
     _styleSheetChanged: function(event)
     {
         var id = /** @type {!CSSAgent.StyleSheetId} */ (event.data.styleSheetId);
@@ skipping 171 matching lines @@
 
     _reset: function()
     {
         /** @type {!Object.<string, !Array.<function(?WebInspector.SourceMap)>>} */
         this._pendingSourceMapLoadingCallbacks = {};
         /** @type {!Object.<string, !WebInspector.SourceMap>} */
         this._sourceMapByURL = {};
         this._sourceMapByStyleSheetURL = {};
     }
 }