Remove TabContents from TabStripModelObserver::TabMoved.

chrome/browser/ui/gtk/tabs/tab_strip_gtk.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/gtk/tabs/tab_strip_gtk.h"
 
 #include <gtk/gtk.h>
 
 #include <algorithm>
 #include <string>
@@ skipping 1084 matching lines @@
                       old_model.selected_indices().end(),
                       model_->selection_model().selected_indices().begin(),
                       model_->selection_model().selected_indices().end(),
                       it2);
   for (std::vector<int>::iterator it = no_longer_selected.begin();
        it != no_longer_selected.end(); ++it) {
     GetTabAtAdjustForAnimation(*it)->StopMiniTabTitleAnimation();
   }
 }
 
-void TabStripGtk::TabMoved(TabContents* contents,
+void TabStripGtk::TabMoved(WebContents* contents,
                            int from_index,
                            int to_index) {
   gfx::Rect start_bounds = GetIdealBounds(from_index);
   TabGtk* tab = GetTabAt(from_index);
   tab_data_.erase(tab_data_.begin() + from_index);
   TabData data = {tab, gfx::Rect()};
   tab->set_mini(model_->IsMiniTab(to_index));
   tab->SetBlocked(model_->IsTabBlocked(to_index));
   tab_data_.insert(tab_data_.begin() + to_index, data);
   GenerateIdealBounds();
@@ skipping 1150 matching lines @@
 
 void TabStripGtk::SetNewTabButtonBackground() {
   SkColor color = theme_service_->GetColor(
       ThemeService::COLOR_BUTTON_BACKGROUND);
   SkBitmap background = theme_service_->GetImageNamed(
       IDR_THEME_WINDOW_CONTROL_BACKGROUND).AsBitmap();
   SkBitmap mask = theme_service_->GetImageNamed(
       IDR_NEWTAB_BUTTON_MASK).AsBitmap();
   newtab_button_->SetBackground(color, background, mask);
 }