Monitor the intersection of video and viewport.

third_party/WebKit/public/platform/WebMediaPlayer.h

Index: third_party/WebKit/public/platform/WebMediaPlayer.h
diff --git a/third_party/WebKit/public/platform/WebMediaPlayer.h b/third_party/WebKit/public/platform/WebMediaPlayer.h
index 87c058c8da7cf3760c0fa3293db6c6c03b65dd3d..3f477272e85c35cd60c9f82fe8479ff6e06742ab 100644
--- a/third_party/WebKit/public/platform/WebMediaPlayer.h
+++ b/third_party/WebKit/public/platform/WebMediaPlayer.h
@@ -226,6 +226,8 @@ class WebMediaPlayer {
   // Inform WebMediaPlayer when the element has entered/exited fullscreen.
   virtual void enteredFullscreen() {}
   virtual void exitedFullscreen() {}
+  // Inform WebMediaPlayer when the video/viewport ratio changed.
+  virtual void videoViewportRatioChanged(double ratio) {}

[miu, 2016/11/09 22:02:08]

This value was a float type in the intersection/visibility observer classes.
Should this be float here, or do you think we need more precision in the other
code modules?

[xjz, 2016/11/11 01:07:29]

Done. Changed to float.

 
   virtual void enabledAudioTracksChanged(
       const WebVector<TrackId>& enabledTrackIds) {}