Remove MessageLoop::current() from rendering_helper.cc.

media/gpu/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 MEDIA_GPU_RENDERING_HELPER_H_
 #define MEDIA_GPU_RENDERING_HELPER_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <map>
 #include <memory>
 #include <queue>
 #include <vector>
 
 #include "base/cancelable_callback.h"
 #include "base/macros.h"
+#include "base/memory/ref_counted.h"
+#include "base/single_thread_task_runner.h"
 #include "base/time/time.h"
 #include "build/build_config.h"
 #include "ui/gfx/geometry/rect.h"
 #include "ui/gfx/geometry/size.h"
 #include "ui/gl/gl_bindings.h"
 #include "ui/gl/gl_context.h"
 #include "ui/gl/gl_surface.h"
 
 namespace base {
-class MessageLoop;
 class WaitableEvent;
 }
 
 namespace ui {
 class DisplayConfigurator;
 }
 
 namespace media {
 
 class VideoFrameTexture : public base::RefCounted<VideoFrameTexture> {
@@ skipping 141 matching lines @@
                              const base::TimeTicks timebase,
                              const base::TimeDelta interval);
 
   void DropOneFrameForAllVideos();
   void ScheduleNextRenderContent();
 
   // Render |texture_id| to the current view port of the screen using target
   // |texture_target|.
   void RenderTexture(uint32_t texture_target, uint32_t texture_id);
 
-  base::MessageLoop* message_loop_;
+  scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
 
   scoped_refptr<gl::GLContext> gl_context_;
   scoped_refptr<gl::GLSurface> gl_surface_;
 
 #if defined(USE_OZONE)
   class StubOzoneDelegate;
   std::unique_ptr<StubOzoneDelegate> platform_window_delegate_;
 
 #if defined(OS_CHROMEOS)
   std::unique_ptr<ui::DisplayConfigurator> display_configurator_;
@@ skipping 20 matching lines @@
   base::CancelableClosure render_task_;
   base::TimeTicks vsync_timebase_;
   base::TimeDelta vsync_interval_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderingHelper);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_GPU_RENDERING_HELPER_H_