Cleanup: Remove unneeded headers from app/

chrome/gpu/gpu_backing_store_glx.h

 // 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.
 
 #ifndef CHROME_GPU_GPU_BACKING_STORE_GLX_H_
 #define CHROME_GPU_GPU_BACKING_STORE_GLX_H_
 #pragma once
 
 #include "app/surface/transport_dib.h"
-#include "app/x11_util.h"
 #include "base/basictypes.h"
 #include "base/process.h"
 #include "ipc/ipc_channel.h"
 
 class GpuViewX;
 class GpuThread;
 class SkBitmap;
 
 class GpuBackingStoreGLX : public IPC::Channel::Listener {
  public:
@@ skipping 36 matching lines @@
   // The size of the texture loaded into GL. This is 0x0 when there is no
   // texture loaded. This may be different than the size of the backing store
   // because we could have been resized without yet getting the updated
   // bitmap.
   gfx::Size texture_size_;
 
   DISALLOW_COPY_AND_ASSIGN(GpuBackingStoreGLX);
 };
 
 #endif  // CHROME_GPU_GPU_BACKING_STORE_GLX_H_