Remove unused parameters from MediaStreamVideoSource::StartCaptureImpl()

content/renderer/media/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_MEDIA_STREAM_VIDEO_SOURCE_H_
 #define CONTENT_RENDERER_MEDIA_MEDIA_STREAM_VIDEO_SOURCE_H_
 
 #include <memory>
 #include <vector>
 
@@ skipping 75 matching lines @@
 
  protected:
   void DoStopSource() override;
 
   // Sets ready state and notifies the ready state to all registered tracks.
   virtual void SetReadyState(blink::WebMediaStreamSource::ReadyState state);
 
   // Sets muted state and notifies it to all registered tracks.
   virtual void SetMutedState(bool state);
 
-  // TODO(guidou): Rename to GetCurrentFormat. http://crbug.com/706804
+  // An implementation must return its capture format if available.
   virtual base::Optional<media::VideoCaptureFormat> GetCurrentFormatImpl()
       const;
 
-  // An implementation must start capturing frames using the requested
-  // |format|. The fulfilled |constraints| are provided as additional context,
-  // and may be used to modify the behavior of the source. When the source has
-  // started or the source failed to start OnStartDone must be called. An
-  // implementation must call |frame_callback| on the IO thread with the
+  // An implementation must start capturing frames after this method is called.
+  // When the source has started or failed to start OnStartDone must be called.
+  // An implementation must call |frame_callback| on the IO thread with the
   // captured frames.
-  // TODO(guidou): Remove |format| and |constraints| parameters.
-  // http://crbug.com/706408
   virtual void StartSourceImpl(
-      const media::VideoCaptureFormat& format,
-      const blink::WebMediaConstraints& constraints,
       const VideoCaptureDeliverFrameCB& frame_callback) = 0;
   void OnStartDone(MediaStreamRequestResult result);
 
   // An implementation must immediately stop capture video frames and must not
   // call OnSupportedFormats after this method has been called. After this
   // method has been called, MediaStreamVideoSource may be deleted.
   virtual void StopSourceImpl() = 0;
 
   // Optionally overridden by subclasses to act on whether there are any
   // consumers present. When none are present, the source can stop delivering
@@ skipping 60 matching lines @@
 
   // NOTE: Weak pointers must be invalidated before all other member variables.
   base::WeakPtrFactory<MediaStreamVideoSource> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(MediaStreamVideoSource);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_MEDIA_MEDIA_STREAM_VIDEO_SOURCE_H_