Use ScopedTaskEnvironment instead of MessageLoop in RenderViewTest.

content/public/test/render_view_test.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/render_view_test.h"
 
 #include <stddef.h>
 
 #include <cctype>
 
@@ skipping 138 matching lines @@
 }
 
 RenderViewTest::RenderViewTest()
     : view_(NULL) {
   RenderFrameImpl::InstallCreateHook(&TestRenderFrame::CreateTestRenderFrame);
 }
 
 RenderViewTest::~RenderViewTest() {
 }
 
-void RenderViewTest::ProcessPendingMessages() {
-  msg_loop_.task_runner()->PostTask(FROM_HERE,
-                                    base::MessageLoop::QuitWhenIdleClosure());
-  base::RunLoop().Run();
-}
-
 WebLocalFrame* RenderViewTest::GetMainFrame() {
   return view_->GetWebView()->MainFrame()->ToWebLocalFrame();
 }
 
 void RenderViewTest::ExecuteJavaScriptForTests(const char* js) {
   GetMainFrame()->ExecuteScript(WebScriptSource(WebString::FromUTF8(js)));
 }
 
 bool RenderViewTest::ExecuteJavaScriptAndReturnIntValue(
     const base::string16& script,
@@ skipping 140 matching lines @@
   view_params.max_size = gfx::Size();
 
   // This needs to pass the mock render thread to the view.
   RenderViewImpl* view = RenderViewImpl::Create(
       compositor_deps_.get(), view_params, RenderWidget::ShowCallback());
   view_ = view;
 }
 
 void RenderViewTest::TearDown() {
   // Run the loop so the release task from the renderwidget executes.
-  ProcessPendingMessages();
+  base::RunLoop().RunUntilIdle();
 
   render_thread_->SendCloseMessage();
 
   std::unique_ptr<blink::WebLeakDetector> leak_detector =
       base::WrapUnique(blink::WebLeakDetector::Create(this));
 
   leak_detector->PrepareForLeakDetection(view_->GetWebView()->MainFrame());
 
   view_ = NULL;
   mock_process_.reset();
@@ skipping 332 matching lines @@
       static_cast<TestRenderFrame*>(impl->GetMainRenderFrame());
   frame->Navigate(common_params, StartNavigationParams(), request_params);
 
   // The load actually happens asynchronously, so we pump messages to process
   // the pending continuation.
   FrameLoadWaiter(frame).Wait();
   view_->GetWebView()->UpdateAllLifecyclePhases();
 }
 
 }  // namespace content