Remove TabContents from TabStripModelObserver::ActiveTabChanged.

chrome/browser/ui/tabs/tab_strip_model.h

 // Copyright (c) 2012 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_TABS_TAB_STRIP_MODEL_H_
 #define CHROME_BROWSER_UI_TABS_TAB_STRIP_MODEL_H_
 
 #include <vector>
 
 #include "base/memory/scoped_ptr.h"
@@ skipping 321 matching lines @@
   void TabNavigating(TabContents* contents,
                      content::PageTransition transition);
 
   // Forget all Opener relationships that are stored (but _not_ group
   // relationships!) This is to reduce unpredictable tab switching behavior
   // in complex session states. The exact circumstances under which this method
   // is called are left up to the implementation of the selected
   // TabStripModelOrderController.
   void ForgetAllOpeners();
 
-  // Forgets the group affiliation of the specified TabContents. This
-  // should be called when a TabContents that is part of a logical group
+  // Forgets the group affiliation of the specified WebContents. This
+  // should be called when a WebContents that is part of a logical group
   // of tabs is moved to a new logical context by the user (e.g. by typing a new
   // URL or selecting a bookmark). This also forgets the opener, which is
   // considered a weaker relationship than group.
-  void ForgetGroup(TabContents* contents);
+  void ForgetGroup(content::WebContents* contents);
 
   // Returns true if the group/opener relationships present for |contents|
   // should be reset when _any_ selection change occurs in the model.
-  bool ShouldResetGroupOnSelect(TabContents* contents) const;
+  bool ShouldResetGroupOnSelect(content::WebContents* contents) const;
 
   // Changes the blocked state of the tab at |index|.
   void SetTabBlocked(int index, bool blocked);
 
   // Changes the pinned state of the tab at |index|. See description above
   // class for details on this.
   void SetTabPinned(int index, bool pinned);
 
   // Returns true if the tab at |index| is pinned.
   // See description above class for details on pinned tabs.
@@ skipping 175 matching lines @@
                         bool create_historical_tabs);
 
   // Gets the WebContents at an index. Does no bounds checking.
   TabContents* GetTabContentsAtImpl(int index) const;
   content::WebContents* GetWebContentsAtImpl(int index) const;
 
   // Notifies the observers if the active tab is being deactivated.
   void NotifyIfTabDeactivated(content::WebContents* contents);
 
   // Notifies the observers if the active tab has changed.
-  void NotifyIfActiveTabChanged(TabContents* old_contents,
+  void NotifyIfActiveTabChanged(content::WebContents* old_contents,
                                 NotifyTypes notify_types);
 
   // Notifies the observers if the active tab or the tab selection has changed.
   // |old_model| is a snapshot of |selection_model_| before the change.
   // Note: This function might end up sending 0 to 2 notifications in the
   // following order: ActiveTabChanged, TabSelectionChanged.
   void NotifyIfActiveOrSelectionChanged(
       TabContents* old_contents,
       NotifyTypes notify_types,
       const TabStripSelectionModel& old_model);
@@ skipping 115 matching lines @@
 
   // A scoped container for notification registries.
   content::NotificationRegistrar registrar_;
 
   TabStripSelectionModel selection_model_;
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(TabStripModel);
 };
 
 #endif  // CHROME_BROWSER_UI_TABS_TAB_STRIP_MODEL_H_