Multi-tab: Adding new Notification when tab selection changes.

chrome/browser/ui/views/tabs/browser_tab_strip_controller.h

 // Copyright (c) 2011 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.
 
 #ifndef CHROME_BROWSER_UI_VIEWS_TABS_BROWSER_TAB_STRIP_CONTROLLER_H_
 #define CHROME_BROWSER_UI_VIEWS_TABS_BROWSER_TAB_STRIP_CONTROLLER_H_
 #pragma once
 
 #include "base/memory/scoped_ptr.h"
 #include "chrome/browser/tabs/tab_strip_model.h"
 #include "chrome/browser/ui/tabs/hover_tab_selector.h"
 #include "chrome/browser/ui/views/tabs/tab_strip_controller.h"
 #include "content/common/notification_observer.h"
 #include "content/common/notification_registrar.h"
 
 class BaseTab;
 class BaseTabStrip;
 class Browser;
+class TabStripSelectionModel;
 
 struct TabRendererData;
 
 // An implementation of TabStripController that sources data from the
 // TabContentsWrappers in a TabStripModel.
 class BrowserTabStripController : public TabStripController,
                                   public TabStripModelObserver,
                                   public NotificationObserver {
  public:
   BrowserTabStripController(Browser* browser, TabStripModel* model);
@@ skipping 35 matching lines @@
   virtual bool IsCompatibleWith(BaseTabStrip* other) const OVERRIDE;
   virtual void CreateNewTab() OVERRIDE;
   virtual void ClickActiveTab(int index) OVERRIDE;
 
   // TabStripModelObserver implementation:
   virtual void TabInsertedAt(TabContentsWrapper* contents,
                              int model_index,
                              bool active) OVERRIDE;
   virtual void TabDetachedAt(TabContentsWrapper* contents,
                              int model_index) OVERRIDE;
-  virtual void ActiveTabChanged(TabContentsWrapper* old_contents,
-                                TabContentsWrapper* contents,
-                                int model_index,
-                                bool user_gesture) OVERRIDE;
+  virtual void TabSelectionChanged(
+      const TabStripSelectionModel& old_model) OVERRIDE;
   virtual void TabMoved(TabContentsWrapper* contents,
                         int from_model_index,
                         int to_model_index) OVERRIDE;
   virtual void TabChangedAt(TabContentsWrapper* contents,
                             int model_index,
                             TabChangeType change_type) OVERRIDE;
   virtual void TabReplacedAt(TabStripModel* tab_strip_model,
                              TabContentsWrapper* old_contents,
                              TabContentsWrapper* new_contents,
                              int model_index) OVERRIDE;
@@ skipping 53 matching lines @@
 
   NotificationRegistrar notification_registrar_;
 
   // Helper for performing tab selection as a result of dragging over a tab.
   HoverTabSelector hover_tab_selector_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserTabStripController);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_TABS_BROWSER_TAB_STRIP_CONTROLLER_H_