Moved GPU related files in content/renderer into gpu subdirectory.

content/renderer/gpu/gpu_video_decode_accelerator_host.h

Index: content/renderer/gpu/gpu_video_decode_accelerator_host.h
===================================================================
--- content/renderer/gpu/gpu_video_decode_accelerator_host.h	(revision 0)
+++ content/renderer/gpu/gpu_video_decode_accelerator_host.h	(working copy)
@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef CONTENT_RENDERER_GPU_VIDEO_DECODE_ACCELERATOR_HOST_H_
-#define CONTENT_RENDERER_GPU_VIDEO_DECODE_ACCELERATOR_HOST_H_
+#ifndef CONTENT_RENDERER_GPU_GPU_VIDEO_DECODE_ACCELERATOR_HOST_H_
+#define CONTENT_RENDERER_GPU_GPU_VIDEO_DECODE_ACCELERATOR_HOST_H_
 
 #include <vector>
 
@@ -83,4 +83,4 @@
   DISALLOW_COPY_AND_ASSIGN(GpuVideoDecodeAcceleratorHost);
 };
 
-#endif  // CONTENT_RENDERER_GPU_VIDEO_DECODE_ACCELERATOR_HOST_H_
+#endif  // CONTENT_RENDERER_GPU_GPU_VIDEO_DECODE_ACCELERATOR_HOST_H_