Remove TabContents from TabStripModelObserver::ActiveTabChanged.

chrome/browser/ui/toolbar/wrench_menu_model.cc

 // 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.
 
 #include "chrome/browser/ui/toolbar/wrench_menu_model.h"
 
 #include <algorithm>
 #include <cmath>
 
 #include "base/command_line.h"
@@ skipping 401 matching lines @@
   }
   return true;
 }
 
 bool WrenchMenuModel::GetAcceleratorForCommandId(
       int command_id,
       ui::Accelerator* accelerator) {
   return provider_->GetAcceleratorForCommandId(command_id, accelerator);
 }
 
-void WrenchMenuModel::ActiveTabChanged(TabContents* old_contents,
-                                       TabContents* new_contents,
+void WrenchMenuModel::ActiveTabChanged(WebContents* old_contents,
+                                       WebContents* new_contents,
                                        int index,
                                        bool user_gesture) {
   // The user has switched between tabs and the new tab may have a different
   // zoom setting.
   UpdateZoomControls();
 }
 
 void WrenchMenuModel::TabReplacedAt(TabStripModel* tab_strip_model,
                                     TabContents* old_contents,
                                     TabContents* new_contents,
@@ skipping 277 matching lines @@
   zoom_label_ = l10n_util::GetStringFUTF16(
       IDS_ZOOM_PERCENT, base::IntToString16(zoom_percent));
 }
 
 string16 WrenchMenuModel::GetSyncMenuLabel() const {
   Profile* profile = browser_->profile()->GetOriginalProfile();
   return sync_ui_util::GetSyncMenuLabel(
       ProfileSyncServiceFactory::GetForProfile(profile),
       *SigninManagerFactory::GetForProfile(profile));
 }