Remove TabContents from TabStripModelObserver::TabReplacedAt.

chrome/browser/ui/tabs/tab_strip_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/tabs/tab_strip_model.h"
 
 #include <algorithm>
 #include <map>
 #include <string>
 
@@ skipping 141 matching lines @@
 TabContents* TabStripModel::ReplaceTabContentsAt(int index,
                                                  TabContents* new_contents) {
   DCHECK(ContainsIndex(index));
   TabContents* old_contents = GetTabContentsAtImpl(index);
 
   ForgetOpenersAndGroupsReferencing(old_contents->web_contents());
 
   contents_data_[index]->contents = new_contents->web_contents();
 
   FOR_EACH_OBSERVER(TabStripModelObserver, observers_,
-                    TabReplacedAt(this, old_contents, new_contents, index));
+                    TabReplacedAt(this,
+                                  old_contents->web_contents(),
+                                  new_contents->web_contents(),
+                                  index));
 
   // When the active tab contents is replaced send out a selection notification
   // too. We do this as nearly all observers need to treat a replacement of the
   // selected contents as the selection changing.
   if (active_index() == index) {
     FOR_EACH_OBSERVER(TabStripModelObserver, observers_,
                       ActiveTabChanged(old_contents->web_contents(),
                                        new_contents->web_contents(),
                                        active_index(), false));
   }
@@ skipping 1091 matching lines @@
 void TabStripModel::ForgetOpenersAndGroupsReferencing(
     const WebContents* tab) {
   for (WebContentsDataVector::const_iterator i = contents_data_.begin();
        i != contents_data_.end(); ++i) {
     if ((*i)->group == tab)
       (*i)->group = NULL;
     if ((*i)->opener == tab)
       (*i)->opener = NULL;
   }
 }