Revert of Pass task runners to AudioManager constructor.

media/mojo/services/mojo_media_application.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 MEDIA_MOJO_SERVICES_MOJO_MEDIA_APPLICATION_H_
 #define MEDIA_MOJO_SERVICES_MOJO_MEDIA_APPLICATION_H_
 
 #include <stdint.h>
 
 #include <memory>
@@ skipping 18 matching lines @@
   explicit MojoMediaApplication(
       std::unique_ptr<MojoMediaClient> mojo_media_client);
   ~MojoMediaApplication() final;
 
  private:
   // shell::ShellClient implementation.
   void Initialize(shell::Connector* connector,
                   const shell::Identity& identity,
                   uint32_t id) final;
   bool AcceptConnection(shell::Connection* connection) final;
-  bool ShellConnectionLost() final;
 
   // shell::InterfaceFactory<interfaces::ServiceFactory> implementation.
   void Create(shell::Connection* connection,
               mojo::InterfaceRequest<interfaces::ServiceFactory> request) final;
 
   // Note: Since each instance runs on a different thread, do not share a common
   // MojoMediaClient with other instances to avoid threading issues. Hence using
   // a unique_ptr here.
   std::unique_ptr<MojoMediaClient> mojo_media_client_;
 
   shell::Connector* connector_;
   scoped_refptr<MediaLog> media_log_;
   shell::MessageLoopRefFactory ref_factory_;
 };
 
 }  // namespace media
 
 #endif  // MEDIA_MOJO_SERVICES_MOJO_MEDIA_APPLICATION_H_