[Video] MediaSession API event handlers can resume background video.

content/renderer/media/webmediaplayer_ms_unittest.cc

Index: content/renderer/media/webmediaplayer_ms_unittest.cc
diff --git a/content/renderer/media/webmediaplayer_ms_unittest.cc b/content/renderer/media/webmediaplayer_ms_unittest.cc
index 8edea5674922259d11826c7a9ef23d83dd4dfaa7..23621f9d73419b0bd983df131b069c966ba89f1d 100644
--- a/content/renderer/media/webmediaplayer_ms_unittest.cc
+++ b/content/renderer/media/webmediaplayer_ms_unittest.cc
@@ -96,7 +96,6 @@ class FakeWebMediaPlayerDelegate
 
   bool IsFrameHidden() override { return is_hidden_; }
   bool IsFrameClosed() override { return false; }
-  bool IsBackgroundVideoPlaybackUnlocked() override { return false; }
 
   void set_hidden(bool is_hidden) { is_hidden_ = is_hidden; }
 
@@ -452,12 +451,15 @@ class WebMediaPlayerMSTest
   void disconnectedFromRemoteDevice() override {}
   void cancelledRemotePlaybackRequest() override {}
   void remotePlaybackStarted() override {}
+  void wasPausedWhenBackgrounded() override {}
+  void wasResumedWhenForegrounded() override {}
   bool isAutoplayingMuted() override { return false; }
   void requestReload(const blink::WebURL& newUrl) override {}
   bool hasSelectedVideoTrack() override { return false; }
   blink::WebMediaPlayer::TrackId getSelectedVideoTrackId() override {
     return blink::WebMediaPlayer::TrackId();
   }
+  bool isBackgroundVideoPlaybackUnlocked() override { return false; }
 
   // Implementation of cc::VideoFrameProvider::Client
   void StopUsingProvider() override;