DevTools: [Persistence] sync working copies of UISourceCodes

third_party/WebKit/Source/devtools/front_end/sources/SourcesView.js

 // 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.
 /**
  * @implements {Sources.TabbedEditorContainerDelegate}
  * @implements {UI.Searchable}
  * @implements {UI.Replaceable}
  * @unrestricted
  */
 Sources.SourcesView = class extends UI.VBox {
@@ skipping 52 matching lines @@
 
     /**
      * @param {!Event} event
      */
     function handleBeforeUnload(event) {
       if (event.returnValue)
         return;
 
       var unsavedSourceCodes = [];
       var projects = Workspace.workspace.projectsForType(Workspace.projectTypes.FileSystem);
-      for (var i = 0; i < projects.length; ++i)
-        unsavedSourceCodes = unsavedSourceCodes.concat(projects[i].uiSourceCodes().filter(isUnsaved));
+      for (var i = 0; i < projects.length; ++i) {
+        unsavedSourceCodes =
+            unsavedSourceCodes.concat(projects[i].uiSourceCodes().filter(sourceCode => sourceCode.isDirty()));
+      }
 
       if (!unsavedSourceCodes.length)
         return;
 
       event.returnValue = Common.UIString('DevTools have unsaved changes that will be permanently lost.');
       UI.viewManager.showView('sources');
       for (var i = 0; i < unsavedSourceCodes.length; ++i)
         Common.Revealer.reveal(unsavedSourceCodes[i]);
-
-      /**
-       * @param {!Workspace.UISourceCode} sourceCode
-       * @return {boolean}
-       */
-      function isUnsaved(sourceCode) {
-        var binding = Persistence.persistence.binding(sourceCode);
-        if (binding)
-          return binding.network.isDirty();
-        return sourceCode.isDirty();
-      }
     }
 
     if (!window.opener)
       window.addEventListener('beforeunload', handleBeforeUnload, true);
 
     this._shortcuts = {};
     this.element.addEventListener('keydown', this._handleKeyDown.bind(this), false);
   }
 
   /**
@@ skipping 657 matching lines @@
    * @return {boolean}
    */
   handleAction(context, actionId) {
     var sourcesView = UI.context.flavor(Sources.SourcesView);
     if (!sourcesView)
       return false;
     sourcesView._editorContainer.closeAllFiles();
     return true;
   }
 };