Let getSettings() return the constrained track resolution, not source.

content/renderer/media/video_track_adapter.h

 // 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.
 
 #ifndef CONTENT_RENDERER_MEDIA_VIDEO_TRACK_ADAPTER_H_
 #define CONTENT_RENDERER_MEDIA_VIDEO_TRACK_ADAPTER_H_
 
 #include <stdint.h>
 
 #include <vector>
@@ skipping 47 matching lines @@
     return io_task_runner_.get();
   }
 
   // Start monitor that frames are delivered to this object. I.E, that
   // |DeliverFrameOnIO| is called with a frame rate of |source_frame_rate|.
   // |on_muted_callback| is triggered on the main render thread.
   void StartFrameMonitoring(double source_frame_rate,
                             const OnMutedCallback& on_muted_callback);
   void StopFrameMonitoring();
 
+  static void CalculateTargetSize(const gfx::Size& input_size,
+                                  const gfx::Size& max_frame_size,
+                                  double min_aspect_ratio,
+                                  double max_aspect_ratio,
+                                  gfx::Size* desired_size);
+
  private:
   virtual ~VideoTrackAdapter();
   friend class base::RefCountedThreadSafe<VideoTrackAdapter>;
 
   void AddTrackOnIO(
       const MediaStreamVideoTrack* track,
       VideoCaptureDeliverFrameCB frame_callback,
       const gfx::Size& max_frame_size,
       double min_aspect_ratio,
       double max_aspect_ratio,
@@ skipping 40 matching lines @@
 
   // Frame rate configured on the video source, accessed on the IO-thread.
   float source_frame_rate_;
 
   DISALLOW_COPY_AND_ASSIGN(VideoTrackAdapter);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_MEDIA_VIDEO_TRACK_ADAPTER_H_