| Index: third_party/WebKit/Source/modules/media_controls/elements/MediaControlVolumeSliderElement.h | 
| diff --git a/third_party/WebKit/Source/modules/media_controls/elements/MediaControlVolumeSliderElement.h b/third_party/WebKit/Source/modules/media_controls/elements/MediaControlVolumeSliderElement.h | 
| index 1bb2b658c895001bffb37081e38a2b508caee8d5..2e3c434bd612cad2f02e34f71556756cc12e258b 100644 | 
| --- a/third_party/WebKit/Source/modules/media_controls/elements/MediaControlVolumeSliderElement.h | 
| +++ b/third_party/WebKit/Source/modules/media_controls/elements/MediaControlVolumeSliderElement.h | 
| @@ -23,6 +23,8 @@ class MediaControlVolumeSliderElement final : public MediaControlInputElement { | 
| bool WillRespondToMouseMoveEvents() override; | 
| bool WillRespondToMouseClickEvents() override; | 
|  | 
| +  void OnMediaKeyboardEvent(Event* event) { DefaultEventHandler(event); } | 
| + | 
| private: | 
| void DefaultEventHandler(Event*) override; | 
| bool KeepEventInNode(Event*) override; | 
|  |