Remove TabContents from TabStripModelObserver::TabReplacedAt.

chrome/browser/extensions/browser_event_router.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_EXTENSIONS_BROWSER_EVENT_ROUTER_H_
 #define CHROME_BROWSER_EXTENSIONS_BROWSER_EVENT_ROUTER_H_
 
 #include <map>
 #include <string>
 
@@ skipping 44 matching lines @@
   virtual void TabSelectionChanged(
       TabStripModel* tab_strip_model,
       const TabStripSelectionModel& old_model) OVERRIDE;
   virtual void TabMoved(content::WebContents* contents,
                         int from_index,
                         int to_index) OVERRIDE;
   virtual void TabChangedAt(content::WebContents* contents,
                             int index,
                             TabChangeType change_type) OVERRIDE;
   virtual void TabReplacedAt(TabStripModel* tab_strip_model,
-                             TabContents* old_contents,
-                             TabContents* new_contents,
+                             content::WebContents* old_contents,
+                             content::WebContents* new_contents,
                              int index) OVERRIDE;
   virtual void TabPinnedStateChanged(content::WebContents* contents,
                                      int index) OVERRIDE;
   virtual void TabStripEmpty() OVERRIDE;
 
   // Fires the onClicked event for page_action.
   void PageActionExecuted(Profile* profile,
                           const ExtensionAction& page_action,
                           int tab_id,
                           const std::string& url,
@@ skipping 126 matching lines @@
 
   // The main profile that owns this event router.
   Profile* profile_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserEventRouter);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_BROWSER_EVENT_ROUTER_H_