Test ExistingThreadLoader.

content/utility/utility_process_control_impl.cc

 // Copyright 2015 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 "content/utility/utility_process_control_impl.h"
 
 #include "base/bind.h"
+#include "base/thread_task_runner_handle.h"
+#include "content/common/mojo/existing_thread_loader.h"
 #include "content/common/mojo/static_loader.h"
 #include "content/public/common/content_client.h"
 #include "content/public/utility/content_utility_client.h"
 #include "content/public/utility/utility_thread.h"
 #include "content/utility/utility_thread_impl.h"
 
 #if defined(ENABLE_MOJO_MEDIA_IN_UTILITY_PROCESS)
 #include "media/mojo/services/mojo_media_application_factory.h"
 #endif
 
 namespace content {
 
 namespace {
 
 // Called when a static application terminates.
 void QuitProcess() {
   UtilityThread::Get()->ReleaseProcessIfNeeded();
 }
 
 }  // namespace
 
-UtilityProcessControlImpl::UtilityProcessControlImpl() {}
+UtilityProcessControlImpl::UtilityProcessControlImpl()
+    : test_thread_("TestThread") {
+  test_thread_.Start();
+}
 
 UtilityProcessControlImpl::~UtilityProcessControlImpl() {}
 
 void UtilityProcessControlImpl::RegisterLoaders(
     NameToLoaderMap* name_to_loader_map) {
   NameToLoaderMap& map_ref = *name_to_loader_map;
 
   ContentUtilityClient::StaticMojoApplicationMap apps;
   GetContentClient()->utility()->RegisterMojoApplications(&apps);
 
   for (const auto& entry : apps) {
     map_ref[entry.first] =
         new StaticLoader(entry.second, base::Bind(&QuitProcess));
   }
 
 #if defined(ENABLE_MOJO_MEDIA_IN_UTILITY_PROCESS)
-  map_ref["mojo:media"] = new StaticLoader(
-      base::Bind(&media::CreateMojoMediaApplication), base::Bind(&QuitProcess));
+  map_ref["mojo:media"] =
+      new ExistingThreadLoader(base::Bind(&media::CreateMojoMediaApplication),
+                               test_thread_.task_runner());
 #endif
 }
 
 void UtilityProcessControlImpl::OnLoadFailed() {
   UtilityThreadImpl* utility_thread =
       static_cast<UtilityThreadImpl*>(UtilityThread::Get());
   utility_thread->Shutdown();
   utility_thread->ReleaseProcessIfNeeded();
 }
 
 }  // namespace content