Spec compliant video constraints for getUserMedia behind flag.

content/renderer/media/mock_media_stream_video_source.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_MOCK_MEDIA_STREAM_VIDEO_SOURCE_H_
 #define CONTENT_RENDERER_MEDIA_MOCK_MEDIA_STREAM_VIDEO_SOURCE_H_
 
 #include "content/renderer/media/media_stream_video_source.h"
 
 #include "base/macros.h"
 #include "testing/gmock/include/gmock/gmock.h"
 
 namespace content {
 
 class MockMediaStreamVideoSource : public MediaStreamVideoSource {
  public:
   explicit MockMediaStreamVideoSource(bool manual_get_supported_formats);
   MockMediaStreamVideoSource(bool manual_get_supported_formats,
                              bool respond_to_request_refresh_frame);
+  MockMediaStreamVideoSource(const media::VideoCaptureFormat& format,
+                             bool respond_to_request_refresh_frame);
   virtual ~MockMediaStreamVideoSource();
 
   MOCK_METHOD1(DoSetMutedState, void(bool muted_state));
 
   // Simulate that the underlying source start successfully.
   void StartMockedSource();
 
   // Simulate that the underlying source fail to start.
   void FailToStartMockedSource();
 
@@ skipping 30 matching lines @@
   void GetCurrentSupportedFormats(
       int max_requested_height,
       int max_requested_width,
       double max_requested_frame_rate,
       const VideoCaptureDeviceFormatsCB& callback) override;
   void StartSourceImpl(
       const media::VideoCaptureFormat& format,
       const blink::WebMediaConstraints& constraints,
       const VideoCaptureDeliverFrameCB& frame_callback) override;
   void StopSourceImpl() override;
+  base::Optional<media::VideoCaptureFormat> GetCurrentFormatImpl()
+      const override;
 
  private:
   media::VideoCaptureFormat format_;
   media::VideoCaptureFormats supported_formats_;
   bool manual_get_supported_formats_;
   bool respond_to_request_refresh_frame_;
   int max_requested_height_;
   int max_requested_width_;
   double max_requested_frame_rate_;
   bool attempted_to_start_;
   VideoCaptureDeviceFormatsCB formats_callback_;
   VideoCaptureDeliverFrameCB frame_callback_;
 
   DISALLOW_COPY_AND_ASSIGN(MockMediaStreamVideoSource);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_MEDIA_MOCK_MEDIA_STREAM_VIDEO_SOURCE_H_