Chromecast: use CastContent{Browser,Renderer}Client as a base class.

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 <string>
 
 #include "base/command_line.h"
 #include "base/cpu.h"
@@ skipping 132 matching lines @@
       ui::ResourceBundle::DO_NOT_LOAD_COMMON_RESOURCES);
 
   base::FilePath pak_file;
   CHECK(PathService::Get(FILE_CAST_PAK, &pak_file));
   ui::ResourceBundle::GetSharedInstance().AddDataPackFromPath(
       pak_file,
       ui::SCALE_FACTOR_NONE);
 }
 
 content::ContentBrowserClient* CastMainDelegate::CreateContentBrowserClient() {
-  browser_client_.reset(new CastContentBrowserClient);
+  browser_client_ = CastContentBrowserClient::Create();
   return browser_client_.get();
 }
 
 content::ContentRendererClient*
 CastMainDelegate::CreateContentRendererClient() {
-  renderer_client_.reset(new CastContentRendererClient);
+  renderer_client_ = CastContentRendererClient::Create();
   return renderer_client_.get();
 }
 
 }  // namespace shell
 }  // namespace chromecast