Remove TabContents from TabStripModelObserver::TabMoved.

chrome/browser/ui/tabs/tab_strip_model_observer.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_observer.h"
 
 using content::WebContents;
 
 void TabStripModelObserver::TabInsertedAt(WebContents* contents,
                                           int index,
@@ skipping 16 matching lines @@
                                              TabContents* new_contents,
                                              int index,
                                              bool user_gesture) {
 }
 
 void TabStripModelObserver::TabSelectionChanged(
     TabStripModel* tab_strip_model,
     const TabStripSelectionModel& model) {
 }
 
-void TabStripModelObserver::TabMoved(TabContents* contents,
+void TabStripModelObserver::TabMoved(WebContents* contents,
                                      int from_index,
                                      int to_index) {
 }
 
 void TabStripModelObserver::TabChangedAt(TabContents* contents,
                                          int index,
                                          TabChangeType change_type) {
 }
 
 void TabStripModelObserver::TabReplacedAt(TabStripModel* tab_strip_model,
@@ skipping 10 matching lines @@
                                                 int index) {
 }
 
 void TabStripModelObserver::TabBlockedStateChanged(WebContents* contents,
                                                    int index) {
 }
 
 void TabStripModelObserver::TabStripEmpty() {}
 
 void TabStripModelObserver::TabStripModelDeleted() {}