Cleanup: Update the path to gfx size headers.

content/renderer/gpu/mailbox_output_surface.h

 // 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.
 
 #ifndef CONTENT_RENDERER_GPU_MAILBOX_OUTPUT_SURFACE_H_
 #define CONTENT_RENDERER_GPU_MAILBOX_OUTPUT_SURFACE_H_
 
 #include <queue>
 
 #include "base/memory/ref_counted.h"
 #include "cc/resources/resource_format.h"
 #include "cc/resources/transferable_resource.h"
 #include "content/renderer/gpu/compositor_output_surface.h"
-#include "ui/gfx/size.h"
+#include "ui/gfx/geometry/size.h"
 
 namespace cc {
 class CompositorFrameAck;
 }
 
 namespace content {
 class FrameSwapMessageQueue;
 
 // Implementation of CompositorOutputSurface that renders to textures which
 // are sent to the browser through the mailbox extension.
@@ skipping 43 matching lines @@
   std::queue<TransferableFrame> returned_textures_;
 
   uint32 fbo_;
   bool is_backbuffer_discarded_;
   cc::ResourceFormat format_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_GPU_MAILBOX_OUTPUT_SURFACE_H_