ash: Remove a few unused includes.

ash/desktop_background/wallpaper_resizer.cc

 // Copyright (c) 2013 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 "ash/desktop_background/wallpaper_resizer.h"
 
 #include "ash/desktop_background/wallpaper_resizer_observer.h"
 #include "base/bind.h"
 #include "base/logging.h"
 #include "base/threading/sequenced_worker_pool.h"
 #include "base/threading/worker_pool.h"
 #include "content/public/browser/browser_thread.h"
 #include "third_party/skia/include/core/SkImage.h"
-#include "ui/base/resource/resource_bundle.h"
 #include "ui/gfx/image/image_skia_rep.h"
 #include "ui/gfx/skia_util.h"
 
 using content::BrowserThread;
 
 namespace ash {
 namespace {
 
 // For our scaling ratios we need to round positive numbers.
 int RoundPositive(double x) {
@@ skipping 112 matching lines @@
 }
 
 void WallpaperResizer::OnResizeFinished(SkBitmap* resized_bitmap) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   image_ = gfx::ImageSkia::CreateFrom1xBitmap(*resized_bitmap);
   FOR_EACH_OBSERVER(WallpaperResizerObserver, observers_,
                     OnWallpaperResized());
 }
 
 } // namespace ash