media: Quit MojoMediaApplication when no ServiceFactory service is bound.

media/mojo/services/mojo_media_application.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 "media/mojo/services/mojo_media_application.h"
 
 #include "base/logging.h"
 #include "media/base/media_log.h"
 #include "media/mojo/services/service_factory_impl.h"
 #include "mojo/application/public/cpp/application_connection.h"
 #include "mojo/application/public/cpp/application_impl.h"
 
 namespace media {
 
 const char kMojoMediaAppUrl[] = "mojo:media";
 
 // static
 GURL MojoMediaApplication::AppUrl() {
   return GURL(kMojoMediaAppUrl);
 }
 
 // static
 scoped_ptr<mojo::ApplicationDelegate> MojoMediaApplication::CreateApp() {
   return scoped_ptr<mojo::ApplicationDelegate>(new MojoMediaApplication());
 }
 
 // TODO(xhwang): Hook up MediaLog when possible.
-MojoMediaApplication::MojoMediaApplication() : media_log_(new MediaLog()) {
-}
+MojoMediaApplication::MojoMediaApplication()
+    : app_impl_(nullptr), media_log_(new MediaLog()) {}
 
 MojoMediaApplication::~MojoMediaApplication() {
 }
 
 void MojoMediaApplication::Initialize(mojo::ApplicationImpl* app) {
+  app_impl_ = app;
+
   logging::LoggingSettings settings;
   settings.logging_dest = logging::LOG_TO_SYSTEM_DEBUG_LOG;
   logging::InitLogging(settings);
   // Display process ID, thread ID and timestamp in logs.
   logging::SetLogItems(true, true, true, false);
 }
 
 bool MojoMediaApplication::ConfigureIncomingConnection(
     mojo::ApplicationConnection* connection) {
   connection->AddService<interfaces::ServiceFactory>(this);
   return true;
 }
 
 void MojoMediaApplication::Create(
     mojo::ApplicationConnection* connection,
     mojo::InterfaceRequest<interfaces::ServiceFactory> request) {
   // The created object is owned by the pipe.
   new ServiceFactoryImpl(request.Pass(), connection->GetServiceProvider(),
-                         media_log_);
+                         media_log_,
+                         app_impl_->app_lifetime_helper()->CreateAppRefCount());
 }
 
 }  // namespace media