notifyRegionWhenRemovingDisplayTree 1288 Source/core/html/HTMLMediaElement.cpp     cue->notifyRegionWhenRemovingDisplayTree(false);
notifyRegionWhenRemovingDisplayTree 1298 Source/core/html/HTMLMediaElement.cpp     cue->notifyRegionWhenRemovingDisplayTree(true);
notifyRegionWhenRemovingDisplayTree   86 Source/core/html/track/TextTrackCue.h     virtual void notifyRegionWhenRemovingDisplayTree(bool notifyRegion) = 0;
notifyRegionWhenRemovingDisplayTree  103 Source/core/html/track/vtt/VTTCue.h     virtual void notifyRegionWhenRemovingDisplayTree(bool notifyRegion) OVERRIDE;