DevTools: reformat front-end code to match chromium style.

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.
 
 /**
  * @constructor
  * @implements {WebInspector.TabbedEditorContainerDelegate}
  * @implements {WebInspector.Searchable}
  * @implements {WebInspector.Replaceable}
  * @extends {WebInspector.VBox}
@@ skipping 157 matching lines @@
     },
 
     _handleKeyDown: function(event)
     {
         var shortcutKey = WebInspector.KeyboardShortcut.makeKeyFromEvent(event);
         var handler = this._shortcuts[shortcutKey];
         if (handler && handler())
             event.consume(true);
     },
 
+    /**
+     * @override
+     */
     wasShown: function()
     {
         WebInspector.VBox.prototype.wasShown.call(this);
         WebInspector.context.setFlavor(WebInspector.SourcesView, this);
     },
 
+    /**
+     * @override
+     */
     willHide: function()
     {
         WebInspector.context.setFlavor(WebInspector.SourcesView, null);
         WebInspector.VBox.prototype.willHide.call(this);
     },
 
     /**
      * @return {!Element}
      */
     toolbarContainerElement: function()
     {
         return this._toolbarContainerElement;
     },
 
     /**
      * @return {!WebInspector.SearchableView}
      */
     searchableView: function()
     {
         return this._searchableView;
     },
 
     /**
-     * @return {!WebInspector.Widget}
+     * @return {?WebInspector.Widget}
      */
     visibleView: function()
     {
         return this._editorContainer.visibleView;
     },
 
     /**
      * @return {?WebInspector.UISourceCodeFrame}
      */
     currentSourceFrame: function()
@@ skipping 595 matching lines @@
      */
     handleAction: function(context, actionId)
     {
         var sourcesView = WebInspector.context.flavor(WebInspector.SourcesView);
         if (!sourcesView)
             return false;
         sourcesView._editorContainer.closeAllFiles();
         return true;
     }
 };