New resolution change policies for desktop and tab capture.

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 415 matching lines @@
   media::VideoCaptureFormats formats;
   formats.push_back(
       media::VideoCaptureFormat(plugin_frame_size_,
                                 kDefaultOutputFrameRate,
                                 ToPixelFormat(plugin_frame_format_)));
   callback.Run(formats);
 }
 
 void PepperMediaStreamVideoTrackHost::StartSourceImpl(
     const media::VideoCaptureFormat& format,
+    const blink::WebMediaConstraints& constraints,

[bbudge, 2015/05/08 17:12:48]

Should we be doing something with this new parameter?

[miu, 2015/05/08 18:07:18]

Nope.  It's just extra context used by other impls of this interface.

     const VideoCaptureDeliverFrameCB& frame_callback) {
   output_started_ = true;
   frame_deliverer_ = new FrameDeliverer(io_message_loop(), frame_callback);
 }
 
 void PepperMediaStreamVideoTrackHost::StopSourceImpl() {
   output_started_ = false;
   frame_deliverer_ = NULL;
 }
 
@@ skipping 83 matching lines @@
 }
 
 void PepperMediaStreamVideoTrackHost::OnTrackStarted(
     MediaStreamSource* source,
     MediaStreamRequestResult result,
     const blink::WebString& result_name) {
   DVLOG(3) << "OnTrackStarted result: " << result;
 }
 
 }  // namespace content