[chromecast] Pass media task runner to VideoPlaneController.

chromecast/app/cast_main_delegate.cc

 // 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.
 
 #include "chromecast/app/cast_main_delegate.h"
 
 #include <algorithm>
 #include <string>
 #include <vector>
 
@@ skipping 147 matching lines @@
 
   // Note: Android must handle running its own browser process.
   // See ChromeMainDelegateAndroid::RunProcess.
   browser_runner_.reset(content::BrowserMainRunner::Create());
   return browser_runner_->Initialize(main_function_params);
 #else
   return -1;
 #endif  // defined(OS_ANDROID)
 }
 
-void CastMainDelegate::ProcessExiting(const std::string& process_type) {
-  if (process_type.empty())
-    browser_client_->ProcessExiting();
-}
-
 #if !defined(OS_ANDROID)
 void CastMainDelegate::ZygoteForked() {
   const base::CommandLine* command_line(base::CommandLine::ForCurrentProcess());
   std::string process_type =
       command_line->GetSwitchValueASCII(switches::kProcessType);
   CastCrashReporterClient::InitCrashReporter(process_type);
 }
 #endif  // !defined(OS_ANDROID)
 
 void CastMainDelegate::InitializeResourceBundle() {
@@ skipping 52 matching lines @@
   return renderer_client_.get();
 }
 
 content::ContentUtilityClient* CastMainDelegate::CreateContentUtilityClient() {
   utility_client_ = CastContentUtilityClient::Create();
   return utility_client_.get();
 }
 
 }  // namespace shell
 }  // namespace chromecast