Rename PrerenderWebMediaPlayer to PrerenderMediaLoadDeferrer.

chrome/renderer/prerender/prerender_webmediaplayer.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 CHROME_RENDERER_PRERENDER_PRERENDER_WEBMEDIAPLAYER_H_
-#define CHROME_RENDERER_PRERENDER_PRERENDER_WEBMEDIAPLAYER_H_
-
-#include "base/callback.h"
-#include "content/public/renderer/render_view_observer.h"
-
-namespace prerender {
-
-// Defers media player loading in prerendered pages until the prerendered page
-// is swapped in.
-//
-// TODO(scherkus): Rename as this class no longer inherits WebMediaPlayer.
-class PrerenderWebMediaPlayer : public content::RenderViewObserver {
- public:
-  // Will run |closure| to continue loading the media resource once the page is
-  // swapped in.
-  PrerenderWebMediaPlayer(content::RenderView* render_view,
-                          const base::Closure& closure);
-  virtual ~PrerenderWebMediaPlayer();
-
- private:
-  // RenderViewObserver method:
-  virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
-
-  void OnSetIsPrerendering(bool is_prerendering);
-
-  bool is_prerendering_;
-  base::Closure continue_loading_cb_;
-
-  DISALLOW_COPY_AND_ASSIGN(PrerenderWebMediaPlayer);
-};
-
-}  // namespace prerender
-
-#endif  // CHROME_RENDERER_PRERENDER_PRERENDER_WEBMEDIAPLAYER_H_