Remove keyboard event filtering in fullscreen

Source/core/dom/Fullscreen.cpp

Index: Source/core/dom/Fullscreen.cpp
diff --git a/Source/core/dom/Fullscreen.cpp b/Source/core/dom/Fullscreen.cpp
index 0328c519de1771cd7ca894deb4ae30f174afc5c8..bf649f1a2968d3bd717dda877a02a036df490cfe 100644
--- a/Source/core/dom/Fullscreen.cpp
+++ b/Source/core/dom/Fullscreen.cpp
@@ -161,7 +161,6 @@ bool Fullscreen::isFullScreen(Document& document)
 
 Fullscreen::Fullscreen(Document& document)
     : DocumentLifecycleObserver(&document)
-    , m_areKeysEnabledInFullScreen(false)
     , m_fullScreenRenderer(nullptr)
     , m_eventQueueTimer(this, &Fullscreen::eventQueueTimerFired)
 {
@@ -284,7 +283,6 @@ void Fullscreen::requestFullscreen(Element& element, RequestType requestType)
 
         // 5. Return, and run the remaining steps asynchronously.
         // 6. Optionally, perform some animation.
-        m_areKeysEnabledInFullScreen = requestType != PrefixedMozillaRequest && requestType != PrefixedVideoRequest;
         document()->frameHost()->chrome().client().enterFullScreenForElement(&element);
 
         // 7. Optionally, display a message indicating how the user can exit displaying the context object fullscreen.
@@ -459,8 +457,6 @@ void Fullscreen::didExitFullScreenForElement(Element*)
 
     m_fullScreenElement->setContainsFullScreenElementOnAncestorsCrossingFrameBoundaries(false);
 
-    m_areKeysEnabledInFullScreen = false;
-
     if (m_fullScreenRenderer)
         m_fullScreenRenderer->unwrapRenderer();