DevTools: migrate sources panel sidebar to views.

third_party/WebKit/Source/devtools/front_end/sources/TabbedEditorContainer.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:
  *
  * 1. Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *
@@ skipping 196 matching lines @@
         this._currentFile = uiSourceCode;
 
         var tabId = this._tabIds.get(uiSourceCode) || this._appendFileTab(uiSourceCode, userGesture);
 
         this._tabbedPane.selectTab(tabId, userGesture);
         if (userGesture)
             this._editorSelectedByUserAction();
 
         var previousView = this._currentView;
         this._currentView = this.visibleView;
+        WebInspector.context.setFlavor(WebInspector.UISourceCodeFrame, this._currentView instanceof WebInspector.UISourceCodeFrame ? this._currentView : null);
         this._addViewListeners();
 
         var eventData = {
             currentFile: this._currentFile,
             currentView: this._currentView,
             previousView: previousView,
             userGesture: userGesture
         };
         this.dispatchEventToListeners(WebInspector.TabbedEditorContainer.Events.EditorSelected, eventData);
     },
@@ skipping 15 matching lines @@
      * @param {string} id
      * @param {string} nextTabId
      */
     _maybeCloseTab: function(id, nextTabId)
     {
         var uiSourceCode = this._files[id];
         var shouldPrompt = uiSourceCode.isDirty() && uiSourceCode.project().canSetFileContent();
         // FIXME: this should be replaced with common Save/Discard/Cancel dialog.
         if (!shouldPrompt || confirm(WebInspector.UIString("Are you sure you want to close unsaved file: %s?", uiSourceCode.name()))) {
             uiSourceCode.resetWorkingCopy();
+            var previousView = this._currentView;
             if (nextTabId)
                 this._tabbedPane.selectTab(nextTabId, true);
             this._tabbedPane.closeTab(id, true);
+            if (WebInspector.context.flavor(WebInspector.UISourceCodeFrame) === previousView)
+                WebInspector.context.setFlavor(WebInspector.UISourceCodeFrame, null);
             return true;
         }
         return false;
     },
 
     /**
      * @param {!Array.<string>} ids
      */
     _closeTabs: function(ids)
     {
@@ skipping 481 matching lines @@
     /**
      * @override
      * @param {string} tabId
      * @param {!WebInspector.ContextMenu} contextMenu
      */
     onContextMenu: function(tabId, contextMenu)
     {
         this._editorContainer._onContextMenu(tabId, contextMenu);
     }
 }