Changing some PeerConnection-related comments.

webrtc/api/peerconnectioninterface.h

 /*
  *  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 947 matching lines @@
 
   // Creates a AudioSourceInterface.
   // |options| decides audio processing settings.
   virtual rtc::scoped_refptr<AudioSourceInterface> CreateAudioSource(
       const cricket::AudioOptions& options) = 0;
   // Deprecated - use version above.
   // Can use CopyConstraintsIntoAudioOptions to bridge the gap.
   virtual rtc::scoped_refptr<AudioSourceInterface> CreateAudioSource(
       const MediaConstraintsInterface* constraints) = 0;
 
-  // Creates a VideoTrackSourceInterface. The new source takes ownership of
-  // |capturer|.
+  // Creates a VideoTrackSourceInterface from |capturer|.
+  // TODO(deadbeef): We should aim to remove cricket::VideoCapturer from the
+  // API. It's mainly used as a wrapper around webrtc's provided
+  // platform-specific capturers, but these should be refactored to use
+  // VideoTrackSourceInterface directly.
   // TODO(deadbeef): Make pure virtual once downstream mock PC factory classes
   // are updated.
   virtual rtc::scoped_refptr<VideoTrackSourceInterface> CreateVideoSource(
       std::unique_ptr<cricket::VideoCapturer> capturer) {
     return nullptr;
   }
 
   // A video source creator that allows selection of resolution and frame rate.
   // |constraints| decides video resolution and frame rate but can be NULL.
   // In the NULL case, use the version above.
@@ skipping 176 matching lines @@
     cricket::WebRtcVideoEncoderFactory* encoder_factory,
     cricket::WebRtcVideoDecoderFactory* decoder_factory) {
   return CreatePeerConnectionFactory(
       worker_and_network_thread, worker_and_network_thread, signaling_thread,
       default_adm, encoder_factory, decoder_factory);
 }
 
 }  // namespace webrtc
 
 #endif  // WEBRTC_API_PEERCONNECTIONINTERFACE_H_