Remove implicit conversions from scoped_refptr to T* in ui/

ui/snapshot/snapshot_async.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 "ui/snapshot/snapshot_async.h"
 
 #include "base/location.h"
 #include "base/memory/ref_counted.h"
 #include "base/numerics/safe_conversions.h"
 #include "base/task_runner_util.h"
@@ skipping 56 matching lines @@
   if (result->IsEmpty()) {
     callback.Run(gfx::Image());
     return;
   }
 
   // TODO(sergeyu): Potentially images can be scaled on GPU before reading it
   // from GPU. Image scaling is implemented in content::GlHelper, but it's can't
   // be used here because it's not in content/public. Move the scaling code
   // somewhere so that it can be reused here.
   base::PostTaskAndReplyWithResult(
-      background_task_runner,
+      background_task_runner.get(),
       FROM_HERE,
       base::Bind(ScaleBitmap, *result->TakeBitmap(), target_size),
       base::Bind(&OnFrameScalingFinished, callback));
 }
 
 void SnapshotAsync::EncodeCopyOutputResult(
     const GrabWindowSnapshotAsyncPNGCallback& callback,
     scoped_refptr<base::TaskRunner> background_task_runner,
     scoped_ptr<cc::CopyOutputResult> result) {
   if (result->IsEmpty()) {
     callback.Run(scoped_refptr<base::RefCountedBytes>());
     return;
   }
 
   // TODO(sergeyu): Potentially images can be scaled on GPU before reading it
   // from GPU. Image scaling is implemented in content::GlHelper, but it's can't
   // be used here because it's not in content/public. Move the scaling code
   // somewhere so that it can be reused here.
   base::PostTaskAndReplyWithResult(
-      background_task_runner,
+      background_task_runner.get(),
       FROM_HERE,
       base::Bind(EncodeBitmap, *result->TakeBitmap()),
       callback);
 }
 
 }  // namespace ui