Remove TabContents from TabStripModelObserver::TabReplacedAt.

chrome/browser/ui/browser_command_controller.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/browser_command_controller.h"
 
 #include "chrome/app/chrome_command_ids.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/defaults.h"
 #include "chrome/browser/extensions/extension_service.h"
@@ skipping 705 matching lines @@
                                              int index,
                                              bool foreground) {
   AddInterstitialObservers(contents);
 }
 
 void BrowserCommandController::TabDetachedAt(WebContents* contents, int index) {
   RemoveInterstitialObservers(contents);
 }
 
 void BrowserCommandController::TabReplacedAt(TabStripModel* tab_strip_model,
-                                             TabContents* old_contents,
-                                             TabContents* new_contents,
+                                             WebContents* old_contents,
+                                             WebContents* new_contents,
                                              int index) {
-  RemoveInterstitialObservers(old_contents->web_contents());
-  AddInterstitialObservers(new_contents->web_contents());
+  RemoveInterstitialObservers(old_contents);
+  AddInterstitialObservers(new_contents);
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 // BrowserCommandController, TabRestoreServiceObserver implementation:
 
 void BrowserCommandController::TabRestoreServiceChanged(
     TabRestoreService* service) {
   command_updater_.UpdateCommandEnabled(IDC_RESTORE_TAB,
                                         CanRestoreTab(browser_));
 }
@@ skipping 443 matching lines @@
 
 BrowserWindow* BrowserCommandController::window() {
   return browser_->window();
 }
 
 Profile* BrowserCommandController::profile() {
   return browser_->profile();
 }
 
 }  // namespace chrome