VideoCapturerDelegate: Retrieve supported/in-use format(s) for constraint negotiation

content/renderer/media/media_stream_video_capturer_source.h

Index: content/renderer/media/media_stream_video_capturer_source.h
diff --git a/content/renderer/media/media_stream_video_capturer_source.h b/content/renderer/media/media_stream_video_capturer_source.h
index e4f8f532d33ef866cebf1c5e837d3b8e47884872..7465e2db4c899f5e29c8fc65c5fbe9827a65d7f2 100644
--- a/content/renderer/media/media_stream_video_capturer_source.h
+++ b/content/renderer/media/media_stream_video_capturer_source.h
@@ -34,7 +34,7 @@ class VideoCapturerDelegate
   // Collects the formats that can currently be used.
   // |max_requested_height| and |max_requested_width| is used by Tab and Screen
   // capture to decide what resolution to generate.
-  // |callback| is triggered when the formats has been collected.
+  // |callback| is triggered when the formats have been collected.
   virtual void GetCurrentSupportedFormats(
       int max_requested_width,
       int max_requested_height,
@@ -53,6 +53,10 @@ class VideoCapturerDelegate
   // SupportedFormatsCallback callback.
   virtual void StopDeliver();
 
+  void OnDeviceFormatsInUseReceived(const media::VideoCaptureFormats& formats);

[perkj_chrome, 2014/03/12 19:55:48]

make these functions private

[mcasas, 2014/03/13 08:04:56]

Done.

+  void OnDeviceSupportedFormatsEnumerated(
+      const media::VideoCaptureFormats& formats);
+
  protected:
   // media::VideoCapture::EventHandler implementation.
   // These functions are called on the IO thread (same as where
@@ -95,6 +99,8 @@ class VideoCapturerDelegate
   // Message loop of the caller of StartDeliver.
   scoped_refptr<base::MessageLoopProxy> message_loop_proxy_;
 
+  SupportedFormatsCallback source_formats_callback_;
+
   DISALLOW_COPY_AND_ASSIGN(VideoCapturerDelegate);
 };