Make MediaPlayerEventRouter a PKS to decouple it from ExtensionService

chrome/browser/chromeos/extensions/media_player_api_factory.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_EXTENSIONS_INPUT_METHOD_API_FACTORY_H_
-#define CHROME_BROWSER_CHROMEOS_EXTENSIONS_INPUT_METHOD_API_FACTORY_H_
+#ifndef CHROME_BROWSER_CHROMEOS_EXTENSIONS_MEDIA_PLAYER_API_FACTORY_H_
+#define CHROME_BROWSER_CHROMEOS_EXTENSIONS_MEDIA_PLAYER_API_FACTORY_H_
 
 #include "base/memory/singleton.h"
 #include "chrome/browser/profiles/profile_keyed_service_factory.h"
 
 namespace extensions {
-class InputMethodAPI;
+class MediaPlayerAPI;
 
-class InputMethodAPIFactory : public ProfileKeyedServiceFactory {
+class MediaPlayerAPIFactory : public ProfileKeyedServiceFactory {
  public:
-  static InputMethodAPIFactory* GetInstance();
+  static MediaPlayerAPI* GetForProfile(Profile* profile);
+  static MediaPlayerAPIFactory* GetInstance();
 
  private:
-  friend struct DefaultSingletonTraits<InputMethodAPIFactory>;
+  friend struct DefaultSingletonTraits<MediaPlayerAPIFactory>;
 
-  InputMethodAPIFactory();
-  virtual ~InputMethodAPIFactory();
+  MediaPlayerAPIFactory();
+  virtual ~MediaPlayerAPIFactory();
 
   // ProfileKeyedServiceFactory implementation.
   virtual ProfileKeyedService* BuildServiceInstanceFor(
       Profile* profile) const OVERRIDE;
   virtual bool ServiceIsCreatedWithProfile() const OVERRIDE;
   virtual bool ServiceIsNULLWhileTesting() const OVERRIDE;
 };
 
 }  // namespace extensions
 
-#endif  // CHROME_BROWSER_CHROMEOS_EXTENSIONS_INPUT_METHOD_API_FACTORY_H_
+#endif  // CHROME_BROWSER_CHROMEOS_EXTENSIONS_MEDIA_PLAYER_API_FACTORY_H_