Chromecast: MessageLoopProxy cleanup --> SingleThreadTaskRunner.

chromecast/media/cdm/browser_cdm_cast.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_MEDIA_CDM_BROWSER_CDM_CAST_H_
 #define CHROMECAST_MEDIA_CDM_BROWSER_CDM_CAST_H_
 
 #include <stdint.h>
 
 #include <map>
 #include <string>
 #include <vector>
 
 #include "base/callback.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/threading/thread_checker.h"
 #include "media/base/browser_cdm.h"
 #include "media/cdm/json_web_key.h"
 
 namespace base {
-class MessageLoopProxy;
+class SingleThreadTaskRunner;
 }
 
 namespace media {
 class PlayerTrackerImpl;
 }
 
 namespace chromecast {
 namespace media {
 class DecryptContext;
 
@@ skipping 61 matching lines @@
   DISALLOW_COPY_AND_ASSIGN(BrowserCdmCast);
 };
 
 // BrowserCdm implementation that lives on the UI thread and forwards all calls
 // to a BrowserCdmCast instance on the CMA thread. This is used to simplify the
 // UI-CMA threading interaction.
 class BrowserCdmCastUi : public ::media::BrowserCdm {
  public:
   BrowserCdmCastUi(
       scoped_ptr<BrowserCdmCast> browser_cdm_cast,
-      const scoped_refptr<base::MessageLoopProxy>& cdm_loop);
+      const scoped_refptr<base::SingleThreadTaskRunner>& task_runner);
   ~BrowserCdmCastUi() override;
 
   // PlayerTracker implementation:
   int RegisterPlayer(const base::Closure& new_key_cb,
                      const base::Closure& cdm_unset_cb) override;
   void UnregisterPlayer(int registration_id) override;
 
   BrowserCdmCast* browser_cdm_cast() const;
 
  private:
@@ skipping 12 matching lines @@
   void UpdateSession(const std::string& session_id,
                      const std::vector<uint8_t>& response,
                      scoped_ptr<::media::SimpleCdmPromise> promise) override;
   void CloseSession(const std::string& session_id,
                     scoped_ptr<::media::SimpleCdmPromise> promise) override;
   void RemoveSession(const std::string& session_id,
                      scoped_ptr<::media::SimpleCdmPromise> promise) override;
   ::media::CdmContext* GetCdmContext() override;
 
   scoped_ptr<BrowserCdmCast> browser_cdm_cast_;
-  scoped_refptr<base::MessageLoopProxy> cdm_loop_;
+  scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
 
   base::ThreadChecker thread_checker_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserCdmCastUi);
 };
 
 }  // namespace media
 }  // namespace chromecast
 
 #endif  // CHROMECAST_MEDIA_CDM_BROWSER_CDM_CAST_H_