Refactor VideoCapturerDelegate to use WeakPtr instead of refcount.

content/renderer/media/user_media_client_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/renderer/media/user_media_client_impl.h"
 
 #include <utility>
 
 #include "base/hash.h"
 #include "base/logging.h"
@@ skipping 562 matching lines @@
                        weak_factory_.GetWeakPtr()),
             dependency_factory_));
     webkit_source->setExtraData(audio_source);
   }
   local_sources_.push_back(*webkit_source);
 }
 
 MediaStreamVideoSource* UserMediaClientImpl::CreateVideoSource(
     const StreamDeviceInfo& device,
     const MediaStreamSource::SourceStoppedCallback& stop_callback) {
+  scoped_ptr<VideoCapturerDelegate> delegate(new VideoCapturerDelegate(device));
   return new content::MediaStreamVideoCapturerSource(
       device,
       stop_callback,
-      new VideoCapturerDelegate(device));
+      delegate.Pass());
 }
 
 void UserMediaClientImpl::CreateVideoTracks(
     const StreamDeviceInfoArray& devices,
     const blink::WebMediaConstraints& constraints,
     blink::WebVector<blink::WebMediaStreamTrack>* webkit_tracks,
     UserMediaRequestInfo* request) {
   DCHECK_EQ(devices.size(), webkit_tracks->size());
 
   for (size_t i = 0; i < devices.size(); ++i) {
@@ skipping 465 matching lines @@
       return;
     }
   }
 }
 
 bool UserMediaClientImpl::UserMediaRequestInfo::HasPendingSources() const {
   return !sources_waiting_for_callback_.empty();
 }
 
 }  // namespace content