Switching some interfaces to use std::unique_ptr<>.

webrtc/pc/videocapturertracksource.cc

 /*
  *  Copyright 2012 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 240 matching lines @@
 
   return mandatory == 0;
 }
 
 }  // anonymous namespace
 
 namespace webrtc {
 
 rtc::scoped_refptr<VideoTrackSourceInterface> VideoCapturerTrackSource::Create(
     rtc::Thread* worker_thread,
-    cricket::VideoCapturer* capturer,
+    std::unique_ptr<cricket::VideoCapturer> capturer,
     const webrtc::MediaConstraintsInterface* constraints,
     bool remote) {
   RTC_DCHECK(worker_thread != NULL);
   RTC_DCHECK(capturer != NULL);
   rtc::scoped_refptr<VideoCapturerTrackSource> source(
-      new rtc::RefCountedObject<VideoCapturerTrackSource>(worker_thread,
-                                                          capturer, remote));
+      new rtc::RefCountedObject<VideoCapturerTrackSource>(
+          worker_thread, std::move(capturer), remote));
   source->Initialize(constraints);
   return source;
 }
 
 rtc::scoped_refptr<VideoTrackSourceInterface> VideoCapturerTrackSource::Create(
     rtc::Thread* worker_thread,
-    cricket::VideoCapturer* capturer,
+    std::unique_ptr<cricket::VideoCapturer> capturer,
     bool remote) {
   RTC_DCHECK(worker_thread != NULL);
   RTC_DCHECK(capturer != NULL);
   rtc::scoped_refptr<VideoCapturerTrackSource> source(
-      new rtc::RefCountedObject<VideoCapturerTrackSource>(worker_thread,
-                                                          capturer, remote));
+      new rtc::RefCountedObject<VideoCapturerTrackSource>(
+          worker_thread, std::move(capturer), remote));
   source->Initialize(nullptr);
   return source;
 }
 
 VideoCapturerTrackSource::VideoCapturerTrackSource(
     rtc::Thread* worker_thread,
-    cricket::VideoCapturer* capturer,
+    std::unique_ptr<cricket::VideoCapturer> capturer,
     bool remote)
-    : VideoTrackSource(capturer, remote),
+    : VideoTrackSource(capturer.get(), remote),
       signaling_thread_(rtc::Thread::Current()),
       worker_thread_(worker_thread),
-      video_capturer_(capturer),
+      video_capturer_(std::move(capturer)),
       started_(false) {
   video_capturer_->SignalStateChange.connect(
       this, &VideoCapturerTrackSource::OnStateChange);
 }
 
 VideoCapturerTrackSource::~VideoCapturerTrackSource() {
   video_capturer_->SignalStateChange.disconnect(this);
   Stop();
 }
 
@@ skipping 84 matching lines @@
                   capture_state));
     return;
   }
 
   if (capturer == video_capturer_.get()) {
     SetState(GetReadyState(capture_state));
   }
 }
 
 }  // namespace webrtc