Chromecast: updates BrowserCdmCast to handle new BrowserCdm API.

chromecast/browser/media/cast_browser_cdm_factory.h

 // Copyright 2014 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 CHROMECAST_BROWSER_MEDIA_CAST_BROWSER_CDM_FACTORY_H_
 #define CHROMECAST_BROWSER_MEDIA_CAST_BROWSER_CDM_FACTORY_H_
 
 #include "chromecast/media/base/key_systems_common.h"
 #include "media/base/browser_cdm.h"
 #include "media/base/browser_cdm_factory.h"
 
 namespace chromecast {
 namespace media {
 
+class BrowserCdmCast;
+
 class CastBrowserCdmFactory : public ::media::BrowserCdmFactory {
  public:
   CastBrowserCdmFactory() {}
   ~CastBrowserCdmFactory() override {};
 
   // ::media::BrowserCdmFactory implementation:
   scoped_ptr< ::media::BrowserCdm> CreateBrowserCdm(
       const std::string& key_system,
       const ::media::SessionMessageCB& session_message_cb,
       const ::media::SessionClosedCB& session_closed_cb,
       const ::media::SessionErrorCB& session_error_cb,
       const ::media::SessionKeysChangeCB& session_keys_change_cb,
       const ::media::SessionExpirationUpdateCB&
           session_expiration_update_cb) override;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(CastBrowserCdmFactory);
 };
 
 // Allow platform-specific CDMs to be provided.
-scoped_ptr< ::media::BrowserCdm> CreatePlatformBrowserCdm(
-    const CastKeySystem& key_system,
-    const ::media::SessionMessageCB& session_message_cb,
-    const ::media::SessionClosedCB& session_closed_cb,
-    const ::media::SessionErrorCB& session_error_cb,
-    const ::media::SessionKeysChangeCB& session_keys_change_cb,
-    const ::media::SessionExpirationUpdateCB& session_expiration_update_cb);
+scoped_ptr<BrowserCdmCast> CreatePlatformBrowserCdm(
+    const CastKeySystem& key_system);
 
 }  // namespace media
 }  // namespace chromecast
 
 #endif  // CHROMECAST_BROWSER_MEDIA_CAST_BROWSER_CDM_FACTORY_H_