Adds keyboard functionality for videos.

third_party/WebKit/Source/core/html/HTMLMediaElement.cpp

 /*
  * Copyright (C) 2007, 2008, 2009, 2010, 2011, 2012, 2013 Apple Inc. All rights
  * reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 24 matching lines @@
 #include "core/HTMLNames.h"
 #include "core/css/MediaList.h"
 #include "core/dom/Attribute.h"
 #include "core/dom/DOMException.h"
 #include "core/dom/ElementTraversal.h"
 #include "core/dom/ElementVisibilityObserver.h"
 #include "core/dom/Fullscreen.h"
 #include "core/dom/TaskRunnerHelper.h"
 #include "core/dom/shadow/ShadowRoot.h"
 #include "core/events/Event.h"
+#include "core/events/KeyboardEvent.h"

[mlamouri (slow - plz ping), 2017/03/27 13:02:12]

I guess you no longer need this include?

[CJ, 2017/04/08 00:31:27]

Done.

 #include "core/frame/FrameView.h"
 #include "core/frame/LocalFrame.h"
 #include "core/frame/LocalFrameClient.h"
 #include "core/frame/Settings.h"
 #include "core/frame/UseCounter.h"
 #include "core/frame/csp/ContentSecurityPolicy.h"
 #include "core/html/AutoplayUmaHelper.h"
 #include "core/html/HTMLMediaSource.h"
 #include "core/html/HTMLSourceElement.h"
 #include "core/html/HTMLTrackElement.h"
@@ skipping 23 matching lines @@
 #include "platform/UserGestureIndicator.h"
 #include "platform/audio/AudioBus.h"
 #include "platform/audio/AudioSourceProviderClient.h"
 #include "platform/graphics/GraphicsLayer.h"
 #include "platform/mediastream/MediaStreamDescriptor.h"
 #include "platform/network/NetworkStateNotifier.h"
 #include "platform/network/mime/ContentType.h"
 #include "platform/network/mime/MIMETypeFromURL.h"
 #include "platform/weborigin/SecurityOrigin.h"
 #include "public/platform/Platform.h"
+#include "public/platform/UserMetricsAction.h"

[mlamouri (slow - plz ping), 2017/03/27 13:02:11]

... and this one?

[CJ, 2017/04/08 00:31:27]

Done.

 #include "public/platform/WebAudioSourceProvider.h"
 #include "public/platform/WebContentDecryptionModule.h"
 #include "public/platform/WebInbandTextTrack.h"
 #include "public/platform/WebMediaPlayerSource.h"
 #include "public/platform/WebMediaStream.h"
 #include "public/platform/modules/remoteplayback/WebRemotePlaybackAvailability.h"
 #include "public/platform/modules/remoteplayback/WebRemotePlaybackClient.h"
 #include "public/platform/modules/remoteplayback/WebRemotePlaybackState.h"
 #include "wtf/AutoReset.h"
 #include "wtf/CurrentTime.h"
@@ skipping 4100 matching lines @@
       kMostlyFillViewportBecomeStableSeconds, BLINK_FROM_HERE);
 }
 
 void HTMLMediaElement::viewportFillDebouncerTimerFired(TimerBase*) {
   m_mostlyFillingViewport = true;
   if (m_webMediaPlayer)
     m_webMediaPlayer->becameDominantVisibleContent(m_mostlyFillingViewport);
 }
 
 }  // namespace blink