Move MessageLoop to base namespace.

media/tools/player_x11/gl_video_renderer.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 MEDIA_TOOLS_PLAYER_X11_GL_VIDEO_RENDERER_H_
 #define MEDIA_TOOLS_PLAYER_X11_GL_VIDEO_RENDERER_H_
 
 #include "base/basictypes.h"
 #include "base/memory/ref_counted.h"
 #include "ui/gfx/rect.h"
 #include "ui/gfx/size.h"
 #include "ui/gl/gl_bindings.h"
 
-class MessageLoop;
-
 namespace media {
 class VideoFrame;
 }
 
 class GlVideoRenderer : public base::RefCountedThreadSafe<GlVideoRenderer> {
  public:
   GlVideoRenderer(Display* display, Window window);
 
   void Paint(media::VideoFrame* video_frame);
 
@@ skipping 10 matching lines @@
   // GL context.
   GLXContext gl_context_;
 
   // 3 textures, one for each plane.
   GLuint textures_[3];
 
   DISALLOW_COPY_AND_ASSIGN(GlVideoRenderer);
 };
 
 #endif  // MEDIA_TOOLS_PLAYER_X11_GL_VIDEO_RENDERER_H_