Add GetPreferredFormats method to media::VideoCapturerSource.

chrome/renderer/media/cast_receiver_session.cc

 // Copyright 2015 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 "chrome/renderer/media/cast_receiver_session.h"
 
 #include <memory>
 
 #include "base/location.h"
 #include "base/synchronization/waitable_event.h"
@@ skipping 26 matching lines @@
   scoped_refptr<CastReceiverAudioValve> audio_valve_;
 };
 
 // This is a render thread object.
 class CastReceiverSession::VideoCapturerSource
     : public media::VideoCapturerSource {
  public:
   explicit VideoCapturerSource(
       const scoped_refptr<CastReceiverSession> cast_receiver_session);
  protected:
-  void GetCurrentSupportedFormats(
-      int max_requested_width,
-      int max_requested_height,
-      double max_requested_frame_rate,
-      const VideoCaptureDeviceFormatsCB& callback) override;
+  media::VideoCaptureFormats GetPreferredFormats() override;
   void StartCapture(const media::VideoCaptureParams& params,
                     const VideoCaptureDeliverFrameCB& frame_callback,
                     const RunningCallback& running_callback) override;
   void StopCapture() override;
  private:
   const scoped_refptr<CastReceiverSession> cast_receiver_session_;
 };
 
 CastReceiverSession::CastReceiverSession()
     : delegate_(new CastReceiverSessionDelegate()),
@@ skipping 58 matching lines @@
       FROM_HERE,
       base::Bind(&CastReceiverSessionDelegate::StopVideo,
                  base::Unretained(delegate_.get())));
 }
 
 CastReceiverSession::VideoCapturerSource::VideoCapturerSource(
     const scoped_refptr<CastReceiverSession> cast_receiver_session)
     : cast_receiver_session_(cast_receiver_session) {
 }
 
-void CastReceiverSession::VideoCapturerSource::GetCurrentSupportedFormats(
-    int max_requested_width,
-    int max_requested_height,
-    double max_requested_frame_rate,
-    const VideoCaptureDeviceFormatsCB& callback) {
-  std::vector<media::VideoCaptureFormat> formats;
+media::VideoCaptureFormats
+CastReceiverSession::VideoCapturerSource::GetPreferredFormats() {
+  media::VideoCaptureFormats formats;
   if (cast_receiver_session_->format_.IsValid())
     formats.push_back(cast_receiver_session_->format_);
-  callback.Run(formats);
+  return formats;
 }
 
 void CastReceiverSession::VideoCapturerSource::StartCapture(
       const media::VideoCaptureParams& params,
       const VideoCaptureDeliverFrameCB& frame_callback,
       const RunningCallback& running_callback) {
   cast_receiver_session_->StartVideo(frame_callback);
   running_callback.Run(true);
 }
 
@@ skipping 35 matching lines @@
 }
 
 void CastReceiverSession::AudioCapturerSource::SetVolume(double volume) {
   // not supported
 }
 
 void CastReceiverSession::AudioCapturerSource::SetAutomaticGainControl(
     bool enable) {
   // not supported
 }