Move a bunch of content\common code into the content namespace.

content/common/gpu/media/rendering_helper.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_COMMON_GPU_MEDIA_RENDERING_HELPER_H_
 #define CONTENT_COMMON_GPU_MEDIA_RENDERING_HELPER_H_
 
 #include "base/basictypes.h"
 
 namespace base {
 class WaitableEvent;
 }
 
-namespace video_test_util {
+namespace content {
 
 // Creates and draws textures used by the video decoder.
 // This class is not thread safe and thus all the methods of this class
 // (except for ctor/dtor) ensure they're being run on a single thread.
 class RenderingHelper {
  public:
   // Create a platform specifc implementation this object.
   static RenderingHelper* Create();
 
   // Platform specific setup.
@@ skipping 25 matching lines @@
   // Delete |texture_id|.
   virtual void DeleteTexture(uint32 texture_id) = 0;
 
   // Get the platform specific handle to the OpenGL context.
   virtual void* GetGLContext() = 0;
 
   // Get the platform specific handle to the OpenGL display.
   virtual void* GetGLDisplay() = 0;
 };
 
-}  // namespace video_test_util
+}  // namespace content
 
 #endif  // CONTENT_COMMON_GPU_MEDIA_RENDERING_HELPER_H_