Cleanup: Remove unneeded headers from app/ (part 2)

chrome/browser/views/tabs/dragged_tab_controller.cc

 // Copyright (c) 2010 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/views/tabs/dragged_tab_controller.h"
 
 #include <math.h>
 #include <set>
 
 #include "app/animation.h"
 #include "app/slide_animation.h"
-#include "app/l10n_util.h"
 #include "app/resource_bundle.h"
 #include "base/callback.h"
 #include "base/i18n/rtl.h"
 #include "base/keyboard_codes.h"
 #include "chrome/browser/browser_window.h"
 #include "chrome/browser/extensions/extension_function_dispatcher.h"
 #include "chrome/browser/tab_contents/tab_contents.h"
 #include "chrome/browser/tabs/tab_strip_model.h"
 #include "chrome/browser/metrics/user_metrics.h"
 #include "chrome/browser/views/frame/browser_view.h"
@@ skipping 1321 matching lines @@
 #else
     NOTIMPLEMENTED();
 #endif
   }
 }
 
 TabStripModel* DraggedTabController::GetModel(BaseTabStrip* tabstrip) const {
   return static_cast<BrowserTabStripController*>(tabstrip->controller())->
       model();
 }