Remove TabContents from TabStripModelObserver::TabMoved.

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 1231 matching lines @@
   WebContentsData* moved_data = contents_data_[index];
   contents_data_.erase(contents_data_.begin() + index);
   contents_data_.insert(contents_data_.begin() + to_position, moved_data);
 
   selection_model_.Move(index, to_position);
   if (!selection_model_.IsSelected(select_after_move) && select_after_move) {
     // TODO(sky): why doesn't this code notify observers?
     selection_model_.SetSelectedIndex(to_position);
   }
 
-  TabContents* tab_contents =
-      TabContents::FromWebContents(moved_data->contents);
   FOR_EACH_OBSERVER(TabStripModelObserver, observers_,
-                    TabMoved(tab_contents, index, to_position));
+                    TabMoved(moved_data->contents, index, to_position));
 }
 
 void TabStripModel::MoveSelectedTabsToImpl(int index,
                                            size_t start,
                                            size_t length) {
   DCHECK(start < selection_model_.selected_indices().size() &&
          start + length <= selection_model_.selected_indices().size());
   size_t end = start + length;
   int count_before_index = 0;
   for (size_t i = start; i < end &&
@@ skipping 35 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;
   }
 }