Remove implicit conversions from scoped_refptr to T* in content/renderer/pepper/

content/renderer/pepper/pepper_media_stream_video_track_host.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/renderer/pepper/pepper_media_stream_video_track_host.h"
 
 #include "base/base64.h"
 #include "base/logging.h"
 #include "base/rand_util.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 367 matching lines @@
 
   // Makes the frame available again for plugin.
   SendEnqueueBufferMessageToPlugin(index);
   return PP_OK;
 }
 
 void PepperMediaStreamVideoTrackHost::OnVideoFrame(
     const scoped_refptr<VideoFrame>& frame,
     const media::VideoCaptureFormat& format,
     const base::TimeTicks& estimated_capture_time) {
-  DCHECK(frame);
+  DCHECK(frame.get());
   // TODO(penghuang): Check |frame->end_of_stream()| and close the track.
   PP_VideoFrame_Format ppformat = ToPpapiFormat(frame->format());
   if (ppformat == PP_VIDEOFRAME_FORMAT_UNKNOWN)
     return;
 
   if (source_frame_size_.IsEmpty()) {
     source_frame_size_ = frame->coded_size();
     source_frame_format_ = ppformat;
     InitBuffers();
   }
@@ skipping 139 matching lines @@
 }
 
 void PepperMediaStreamVideoTrackHost::OnTrackStarted(
     MediaStreamSource* source,
     MediaStreamRequestResult result,
     const blink::WebString& result_name) {
   DVLOG(3) << "OnTrackStarted result: " << result;
 }
 
 }  // namespace content