[chromecast] Pass media task runner to VideoPlaneController.

chromecast/app/cast_main_delegate.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_APP_CAST_MAIN_DELEGATE_H_
 #define CHROMECAST_APP_CAST_MAIN_DELEGATE_H_
 
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 #include "build/build_config.h"
@@ skipping 18 matching lines @@
  public:
   CastMainDelegate();
   ~CastMainDelegate() override;
 
   // content::ContentMainDelegate implementation:
   bool BasicStartupComplete(int* exit_code) override;
   void PreSandboxStartup() override;
   int RunProcess(
       const std::string& process_type,
       const content::MainFunctionParams& main_function_params) override;
-  void ProcessExiting(const std::string& process_type) override;
 #if !defined(OS_ANDROID)
   void ZygoteForked() override;
 #endif  // !defined(OS_ANDROID)
   content::ContentBrowserClient* CreateContentBrowserClient() override;
   content::ContentRendererClient* CreateContentRendererClient() override;
   content::ContentUtilityClient* CreateContentUtilityClient() override;
 
  private:
   void InitializeResourceBundle();
 
   scoped_ptr<CastContentBrowserClient> browser_client_;
   scoped_ptr<CastContentRendererClient> renderer_client_;
   scoped_ptr<CastContentUtilityClient> utility_client_;
   scoped_ptr<CastResourceDelegate> resource_delegate_;
   CastContentClient content_client_;
 
 #if defined(OS_ANDROID)
   scoped_ptr<content::BrowserMainRunner> browser_runner_;
 #endif  // defined(OS_ANDROID)
 
   DISALLOW_COPY_AND_ASSIGN(CastMainDelegate);
 };
 
 }  // namespace shell
 }  // namespace chromecast
 
 #endif  // CHROMECAST_APP_CAST_MAIN_DELEGATE_H_