Refactor WebMediaPlayerDelegate interface.

content/renderer/media/android/webmediaplayer_android.h

Index: content/renderer/media/android/webmediaplayer_android.h
diff --git a/content/renderer/media/android/webmediaplayer_android.h b/content/renderer/media/android/webmediaplayer_android.h
index c54acd359e832d5e713095bacbef0ff04f10b7db..1a141f246f43a38d8327b80675240f0b5ef7dc89 100644
--- a/content/renderer/media/android/webmediaplayer_android.h
+++ b/content/renderer/media/android/webmediaplayer_android.h
@@ -214,9 +214,10 @@ class WebMediaPlayerAndroid
   void SuspendAndReleaseResources() override;
 
   // WebMediaPlayerDelegate::Observer implementation.
-  void OnHidden() override;
-  void OnShown() override;
-  bool OnSuspendRequested(bool must_suspend) override;
+  void OnFrameHidden() override;
+  void OnFrameClosed() override;
+  void OnFrameShown() override;
+  bool OnIdleTimeout() override;
   void OnPlay() override;
   void OnPause() override;
   void OnVolumeMultiplierUpdate(double multiplier) override;