Use ScopedTaskEnvironment instead of MessageLoopForUI in ui/aura/test/.

content/public/test/test_renderer_host.cc

 // Copyright (c) 2012 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/public/test/test_renderer_host.h"
 
 #include <utility>
 
 #include "base/memory/ptr_util.h"
 #include "base/run_loop.h"
@@ skipping 251 matching lines @@
 
 #if defined(OS_WIN)
   ole_initializer_.reset(new ui::ScopedOleInitializer());
 #endif
 #if defined(USE_AURA)
   ui::ContextFactory* context_factory =
       ImageTransportFactory::GetInstance()->GetContextFactory();
   ui::ContextFactoryPrivate* context_factory_private =
       ImageTransportFactory::GetInstance()->GetContextFactoryPrivate();
 
-  aura_test_helper_.reset(
-      new aura::test::AuraTestHelper(base::MessageLoopForUI::current()));
+  aura_test_helper_.reset(new aura::test::AuraTestHelper());
   aura_test_helper_->SetUp(context_factory, context_factory_private);
   new wm::DefaultActivationClient(aura_test_helper_->root_window());
 #endif
 
   sanity_checker_.reset(new ContentBrowserSanityChecker());
 
   DCHECK(!browser_context_);
   browser_context_.reset(CreateBrowserContext());
 
   SetContents(CreateTestWebContents());
@@ skipping 41 matching lines @@
 
 void RenderViewHostTestHarness::SetRenderProcessHostFactory(
     RenderProcessHostFactory* factory) {
   if (rvh_test_enabler_)
     rvh_test_enabler_->rvh_factory_->set_render_process_host_factory(factory);
   else
     factory_ = factory;
 }
 
 }  // namespace content