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

chrome/browser/ui/touch/frame/touch_browser_frame_view.cc

 // 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.
 
 #include "chrome/browser/ui/touch/frame/touch_browser_frame_view.h"
 
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/renderer_host/render_widget_host_view_views.h"
 #include "chrome/browser/tabs/tab_strip_model.h"
 #include "chrome/browser/ui/browser.h"
@@ skipping 208 matching lines @@
       minimize_button()->GetMirroredBounds().Contains(point))
     return true;
 
   return false;
 }
 
 void TouchBrowserFrameView::ActiveTabChanged(TabContentsWrapper* old_contents,
                                              TabContentsWrapper* new_contents,
                                              int index,
                                              bool user_gesture) {
-  if (new_contents == old_contents)
-    return;
-
   TabContents* contents = new_contents->tab_contents();
   if (!TabContentsHasFocus(contents))
     return;
 
   bool* editable = GetFocusedStateAccessor()->GetProperty(
       contents->property_bag());
   UpdateKeyboardAndLayout(editable ? *editable : false);
 }
 
 
@@ skipping 76 matching lines @@
     RenderViewHost* host =
         browser_view()->browser()->GetSelectedTabContents()->render_view_host();
     host->Send(new ViewMsg_ScrollFocusedEditableNodeIntoView(
         host->routing_id()));
   } else {
     // Notify the keyboard that it is hidden now.
     keyboard_->SetVisible(false);
   }
   SchedulePaint();
 }