Allow MediaStream constraints to specify higher than 30 FPS tab capture.

content/renderer/media/mock_media_stream_video_source.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/media/mock_media_stream_video_source.h"
 
 #include "base/bind.h"
 #include "base/callback_helpers.h"
 #include "base/location.h"
 
 namespace content {
 
 MockMediaStreamVideoSource::MockMediaStreamVideoSource(
     bool manual_get_supported_formats)
     : manual_get_supported_formats_(manual_get_supported_formats),
       max_requested_height_(0),
       max_requested_width_(0),
+      max_requested_frame_rate_(0.0),
       attempted_to_start_(false) {
   supported_formats_.push_back(
       media::VideoCaptureFormat(
           gfx::Size(MediaStreamVideoSource::kDefaultWidth,
                     MediaStreamVideoSource::kDefaultHeight),
           MediaStreamVideoSource::kDefaultFrameRate,
           media::PIXEL_FORMAT_I420));
 }
 
 MockMediaStreamVideoSource::~MockMediaStreamVideoSource() {}
@@ skipping 11 matching lines @@
 }
 
 void MockMediaStreamVideoSource::CompleteGetSupportedFormats() {
   DCHECK(!formats_callback_.is_null());
   base::ResetAndReturn(&formats_callback_).Run(supported_formats_);
 }
 
 void MockMediaStreamVideoSource::GetCurrentSupportedFormats(
     int max_requested_height,
     int max_requested_width,
+    double max_requested_frame_rate,
     const VideoCaptureDeviceFormatsCB& callback) {
   DCHECK(formats_callback_.is_null());
   max_requested_height_ = max_requested_height;
   max_requested_width_ = max_requested_width;
+  max_requested_frame_rate_ = max_requested_frame_rate;
 
   if (manual_get_supported_formats_) {
     formats_callback_ = callback;
     return;
   }
   callback.Run(supported_formats_);
 }
 
 void MockMediaStreamVideoSource::StartSourceImpl(
     const media::VideoCaptureParams& params,
@@ skipping 19 matching lines @@
 
 void MockMediaStreamVideoSource::DeliverVideoFrameOnIO(
     const scoped_refptr<media::VideoFrame>& frame,
     media::VideoCaptureFormat format,
     const base::TimeTicks& estimated_capture_time,
     const VideoCaptureDeliverFrameCB& frame_callback) {
   frame_callback.Run(frame, format, estimated_capture_time);
 }
 
 }  // namespace content