Remove calls to deprecated MessageLoop methods in content.

content/browser/frame_host/render_widget_host_view_child_frame_unittest.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 "content/browser/frame_host/render_widget_host_view_child_frame.h"
 
 #include <stdint.h>
 
 #include <utility>
 
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
 #include "base/message_loop/message_loop.h"
+#include "base/run_loop.h"
+#include "base/single_thread_task_runner.h"
 #include "build/build_config.h"
 #include "cc/surfaces/surface.h"
 #include "cc/surfaces/surface_factory.h"
 #include "cc/surfaces/surface_manager.h"
 #include "cc/surfaces/surface_sequence.h"
 #include "content/browser/compositor/test/no_transport_image_transport_factory.h"
 #include "content/browser/frame_host/cross_process_frame_connector.h"
 #include "content/browser/gpu/compositor_util.h"
 #include "content/browser/renderer_host/render_widget_host_delegate.h"
 #include "content/browser/renderer_host/render_widget_host_impl.h"
@@ skipping 68 matching lines @@
   }
 
   void TearDown() override {
     if (view_)
       view_->Destroy();
     delete widget_host_;
     delete test_frame_connector_;
 
     browser_context_.reset();
 
-    message_loop_.DeleteSoon(FROM_HERE, browser_context_.release());
-    message_loop_.RunUntilIdle();
+    message_loop_.task_runner()->DeleteSoon(FROM_HERE,
+                                            browser_context_.release());
+    base::RunLoop().RunUntilIdle();
 #if !defined(OS_ANDROID)
     ImageTransportFactory::Terminate();
 #endif
   }
 
   cc::SurfaceId surface_id() { return view_->surface_id_; }
 
  protected:
   base::MessageLoopForUI message_loop_;
   std::unique_ptr<BrowserContext> browser_context_;
@@ skipping 57 matching lines @@
 
     // Surface ID should have been passed to CrossProcessFrameConnector to
     // be sent to the embedding renderer.
     EXPECT_EQ(id, test_frame_connector_->last_surface_id_received_);
     EXPECT_EQ(view_size, test_frame_connector_->last_frame_size_received_);
     EXPECT_EQ(scale_factor, test_frame_connector_->last_scale_factor_received_);
   }
 }
 
 }  // namespace content