Removes MessageLoop::Type checks in favor of IsCurrent on MessageLoops.

content/browser/renderer_host/render_widget_host_impl.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/browser/renderer_host/render_widget_host_impl.h"
 
 #include <math.h>
 #include <set>
 #include <utility>
 
@@ skipping 2432 matching lines @@
     Send(new ViewMsg_WindowSnapshotCompleted(
         routing_id, snapshot_id, gfx::Size(), png_vector));
     return;
   }
 
   Send(new ViewMsg_WindowSnapshotCompleted(
       routing_id, snapshot_id, snapshot_size, png_data->data()));
 }
 
 void RenderWidgetHostImpl::WindowSnapshotReachedScreen(int snapshot_id) {
-  DCHECK(base::MessageLoop::current()->IsType(base::MessageLoop::TYPE_UI));
+  DCHECK(base::MessageLoopForUI::IsCurrent());
 
   std::vector<unsigned char> png;
 
   // This feature is behind the kEnableGpuBenchmarking command line switch
   // because it poses security concerns and should only be used for testing.
   const CommandLine& command_line = *CommandLine::ForCurrentProcess();
   if (!command_line.HasSwitch(switches::kEnableGpuBenchmarking)) {
     Send(new ViewMsg_WindowSnapshotCompleted(
         GetRoutingID(), snapshot_id, gfx::Size(), png));
     return;
@@ skipping 42 matching lines @@
         }
         RenderWidgetHostImpl* rwhi = RenderWidgetHostImpl::From(rwh);
         if (rwhi_set.insert(rwhi).second)
           rwhi->FrameSwapped(latency_info[i]);
       }
     }
   }
 }
 
 }  // namespace content