Migrate content/common/gpu/media code to media/gpu

media/gpu/shared_memory_region.h

Index: media/gpu/shared_memory_region.h
diff --git a/content/common/gpu/media/shared_memory_region.h b/media/gpu/shared_memory_region.h
similarity index 89%
rename from content/common/gpu/media/shared_memory_region.h
rename to media/gpu/shared_memory_region.h
index f7c5db299828ba1190baa39f9d93327417413f5c..2ca11d7e9032cfdbf8b8dd01ad4dc212fddebb0c 100644
--- a/content/common/gpu/media/shared_memory_region.h
+++ b/media/gpu/shared_memory_region.h
@@ -2,13 +2,13 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef CONTENT_COMMON_GPU_MEDIA_SHARED_MEMORY_REGION_H_
-#define CONTENT_COMMON_GPU_MEDIA_SHARED_MEMORY_REGION_H_
+#ifndef MEDIA_GPU_SHARED_MEMORY_REGION_H_
+#define MEDIA_GPU_SHARED_MEMORY_REGION_H_
 
 #include "base/memory/shared_memory.h"
 #include "media/base/bitstream_buffer.h"
 
-namespace content {
+namespace media {
 
 // Helper class to access a region of a SharedMemory. Different from
 // SharedMemory, in which the |offset| of function MapAt() must be aligned to
@@ -52,6 +52,6 @@ class SharedMemoryRegion {
   DISALLOW_COPY_AND_ASSIGN(SharedMemoryRegion);
 };
 
-}  // namespace content
+}  // namespace media
 
-#endif  // CONTENT_COMMON_GPU_MEDIA_SHARED_MEMORY_REGION_H_
+#endif  // MEDIA_GPU_SHARED_MEMORY_REGION_H_