Multi-tab: Adding new Notification when tab selection changes (again).

chrome/browser/ui/views/tabs/browser_tab_strip_controller.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/views/tabs/browser_tab_strip_controller.h"
 
 #include "base/auto_reset.h"
 #include "base/command_line.h"
 #include "chrome/browser/extensions/extension_tab_helper.h"
 #include "chrome/browser/favicon/favicon_tab_helper.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/tabs/tab_strip_model.h"
+#include "chrome/browser/tabs/tab_strip_selection_model.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/tab_contents/tab_contents_wrapper.h"
 #include "chrome/browser/ui/tabs/tab_menu_model.h"
 #include "chrome/browser/ui/views/tabs/base_tab_strip.h"
 #include "chrome/browser/ui/views/tabs/tab_renderer_data.h"
 #include "chrome/common/url_constants.h"
 #include "content/browser/renderer_host/render_view_host.h"
 #include "content/browser/tab_contents/tab_contents.h"
 #include "content/browser/user_metrics.h"
 #include "content/common/notification_service.h"
@@ skipping 311 matching lines @@
 }
 
 void BrowserTabStripController::TabDetachedAt(TabContentsWrapper* contents,
                                               int model_index) {
   // Cancel any pending tab transition.
   hover_tab_selector_.CancelTabTransition();
 
   tabstrip_->RemoveTabAt(model_index);
 }
 
-void BrowserTabStripController::ActiveTabChanged(
-    TabContentsWrapper* old_contents,
-    TabContentsWrapper* contents,
-    int model_index,
-    bool user_gesture) {
-  tabstrip_->SelectTabAt(model_->GetIndexOfTabContents(old_contents),
-                         model_index);
+void BrowserTabStripController::TabSelectionChanged(
+    const TabStripSelectionModel& old_model) {
+  tabstrip_->SetSelection(old_model, model_->selection_model());
 }
 
 void BrowserTabStripController::TabMoved(TabContentsWrapper* contents,
                                          int from_model_index,
                                          int to_model_index) {
   // Cancel any pending tab transition.
   hover_tab_selector_.CancelTabTransition();
 
   // Update the data first as the pinned state may have changed.
   TabRendererData data;
@@ skipping 116 matching lines @@
     TabStripModel::ContextMenuCommand command_id,
     BaseTab* tab) {
   if (command_id == TabStripModel::CommandCloseTabsToRight ||
       command_id == TabStripModel::CommandCloseOtherTabs) {
     // Just tell all Tabs to stop pulsing - it's safe.
     tabstrip_->StopAllHighlighting();
   }
 }