Reverting 9594.

chrome/renderer/webmediaplayer_delegate_impl.h

 // Copyright (c) 2008 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.
 //
 // Delegate calls from WebCore::MediaPlayerPrivate to google's video player.
 // It contains PipelineImpl which is the actual media player pipeline, it glues
 // the media player pipeline, data source, audio renderer and renderer.
 // PipelineImpl would creates multiple threads and access some public methods
 // of this class, so we need to be extra careful about concurrent access of
 // methods and members.
@@ skipping 26 matching lines @@
 // at destruction of this class we will need to unhook it from destruction event
 // list of the main thread.
 
 #ifndef CHROME_RENDERER_WEBMEDIAPLAYER_DELEGATE_IMPL_H_
 #define CHROME_RENDERER_WEBMEDIAPLAYER_DELEGATE_IMPL_H_
 
 #include <vector>
 
 #include "base/lock.h"
 #include "base/message_loop.h"
+#include "media/base/factory.h"
 #include "media/base/filters.h"
 #include "media/base/pipeline_impl.h"
 #include "webkit/glue/webmediaplayer_delegate.h"
 
 class RenderView;
 class VideoRendererImpl;
 
-namespace media {
-class FilterFactoryCollection;
-}
-
 // This typedef is used for WebMediaPlayerDelegateImpl::PostTask() and
 // NotifyWebMediaPlayerTask in the source file.
 typedef void (webkit_glue::WebMediaPlayer::*WebMediaPlayerMethod)();
 
 class WebMediaPlayerDelegateImpl : public webkit_glue::WebMediaPlayerDelegate,
                                    public MessageLoop::DestructionObserver {
  public:
   explicit WebMediaPlayerDelegateImpl(RenderView* render_view);
   virtual ~WebMediaPlayerDelegateImpl();
 
@@ skipping 117 matching lines @@
   // |main_loop_|. |tasks_| can be access from main thread or the media threads
   // we need a lock for protecting it.
   Lock task_lock_;
   typedef std::vector<CancelableTask*> CancelableTaskList;
   CancelableTaskList tasks_;
 
   DISALLOW_COPY_AND_ASSIGN(WebMediaPlayerDelegateImpl);
 };
 
 #endif  // ifndef CHROME_RENDERER_WEBMEDIAPLAYER_DELEGATE_IMPL_H_