Remove calls to deprecated MessageLoop methods in cc.

cc/test/layer_tree_test.cc

 // Copyright 2011 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 "cc/test/layer_tree_test.h"
 
 #include "base/command_line.h"
 #include "base/location.h"
 #include "base/memory/ptr_util.h"
+#include "base/run_loop.h"
 #include "base/single_thread_task_runner.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "cc/animation/animation.h"
 #include "cc/animation/animation_host.h"
 #include "cc/animation/element_animations.h"
 #include "cc/animation/timing_function.h"
 #include "cc/base/switches.h"
 #include "cc/input/input_handler.h"
 #include "cc/layers/layer.h"
 #include "cc/layers/layer_impl.h"
@@ skipping 861 matching lines @@
       base::Bind(&LayerTreeTest::DoBeginTest, base::Unretained(this)));
 
   if (timeout_seconds_) {
     timeout_.Reset(base::Bind(&LayerTreeTest::Timeout, base::Unretained(this)));
     main_task_runner_->PostDelayedTask(
         FROM_HERE,
         timeout_.callback(),
         base::TimeDelta::FromSeconds(timeout_seconds_));
   }
 
-  base::MessageLoop::current()->Run();
+  base::RunLoop().Run();
   DestroyLayerTreeHost();
 
   timeout_.Cancel();
 
   ASSERT_FALSE(layer_tree_host_.get());
   client_ = nullptr;
   if (timed_out_) {
     FAIL() << "Test timed out";
     return;
   }
@@ skipping 135 matching lines @@
 
 RemoteChannelImplForTest* LayerTreeTest::GetRemoteChannelImplForTest() const {
   DCHECK(IsRemoteTest());
   DCHECK(remote_client_layer_tree_host_);
 
   return static_cast<RemoteChannelImplForTest*>(
       remote_client_layer_tree_host_->proxy());
 }
 
 }  // namespace cc