Make MediaPlayerEventRouter a PKS to decouple it from ExtensionService

chrome/browser/chromeos/media/media_player_extension_api.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_BROWSER_CHROMEOS_MEDIA_MEDIA_PLAYER_EXTENSION_API_H_
-#define CHROME_BROWSER_CHROMEOS_MEDIA_MEDIA_PLAYER_EXTENSION_API_H_
-
-#include <map>
-#include <string>
-#include <vector>
-
-#include "chrome/browser/extensions/extension_function.h"
-
-// Implements the chrome.mediaPlayerPrivate.play method.
-class PlayMediaplayerFunction : public SyncExtensionFunction {
- public:
-  DECLARE_EXTENSION_FUNCTION_NAME("mediaPlayerPrivate.play");
-
- protected:
-  virtual ~PlayMediaplayerFunction() {}
-
-  // SyncExtensionFunction overrides.
-  virtual bool RunImpl() OVERRIDE;
-};
-
-// Implements the chrome.mediaPlayerPrivate.getPlaylist method.
-class GetPlaylistMediaplayerFunction : public SyncExtensionFunction {
- public:
-  DECLARE_EXTENSION_FUNCTION_NAME("mediaPlayerPrivate.getPlaylist");
-
- protected:
-  virtual ~GetPlaylistMediaplayerFunction() {}
-
-  // SyncExtensionFunction overrides.
-  virtual bool RunImpl() OVERRIDE;
-};
-
-// Implements the chrome.mediaPlayerPrivate.setWindowHeight method.
-class SetWindowHeightMediaplayerFunction : public SyncExtensionFunction {
- public:
-  DECLARE_EXTENSION_FUNCTION_NAME("mediaPlayerPrivate.setWindowHeight");
-
- protected:
-  virtual ~SetWindowHeightMediaplayerFunction() {}
-
-  // SyncExtensionFunction overrides.
-  virtual bool RunImpl() OVERRIDE;
-};
-
-// Implements the chrome.mediaPlayerPrivate.closeWindow method.
-class CloseWindowMediaplayerFunction : public SyncExtensionFunction {
- public:
-  DECLARE_EXTENSION_FUNCTION_NAME("mediaPlayerPrivate.closeWindow");
-
- protected:
-  virtual ~CloseWindowMediaplayerFunction() {}
-
-  // SyncExtensionFunction overrides.
-  virtual bool RunImpl() OVERRIDE;
-};
-
-#endif  // CHROME_BROWSER_CHROMEOS_MEDIA_MEDIA_PLAYER_EXTENSION_API_H_