Remove calls to deprecated MessageLoop methods in components.

components/wallpaper/wallpaper_resizer_unittest.cc

 // Copyright 2013 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 "components/wallpaper/wallpaper_resizer.h"
 
 #include <stdint.h>
 
 #include <memory>
 
 #include "base/macros.h"
 #include "base/message_loop/message_loop.h"
+#include "base/run_loop.h"
 #include "base/test/sequenced_worker_pool_owner.h"
 #include "components/wallpaper/wallpaper_resizer_observer.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/gfx/image/image_skia_rep.h"
 
 namespace {
 
 const int kTestImageWidth = 5;
 const int kTestImageHeight = 2;
 const int kTargetWidth = 1;
@@ skipping 51 matching lines @@
     resizer->StartResize();
     WaitForResize();
     resizer->RemoveObserver(this);
     return resizer->image();
   }
 
   base::SequencedWorkerPool* worker_pool() {
     return worker_pool_owner_.pool().get();
   }
 
-  void WaitForResize() { message_loop_.Run(); }
+  void WaitForResize() { base::RunLoop().Run(); }
 
   void OnWallpaperResized() override { message_loop_.QuitWhenIdle(); }
 
  private:
   base::MessageLoop message_loop_;
   base::SequencedWorkerPoolOwner worker_pool_owner_;
 
   DISALLOW_COPY_AND_ASSIGN(WallpaperResizerTest);
 };
 
@@ skipping 56 matching lines @@
                            worker_pool());
   EXPECT_EQ(WallpaperResizer::GetImageId(image), resizer.original_image_id());
   resizer.AddObserver(this);
   resizer.StartResize();
   WaitForResize();
   resizer.RemoveObserver(this);
   EXPECT_EQ(WallpaperResizer::GetImageId(image), resizer.original_image_id());
 }
 
 }  // namespace ash