Rename FullscreenElementStack to just Fullscreen

Source/core/page/EventHandler.h

 /*
  * Copyright (C) 2006, 2007, 2009, 2010, 2011 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
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 39 matching lines @@
 class DataTransfer;
 class Document;
 class DragState;
 class Element;
 class Event;
 class EventTarget;
 template <typename EventType>
 class EventWithHitTestResults;
 class FloatPoint;
 class FloatQuad;
-class FullscreenElementStack;
+class Fullscreen;
 class HTMLFrameSetElement;
 class HitTestRequest;
 class HitTestResult;
 class KeyboardEvent;
 class LocalFrame;
 class Node;
 class OptionalCursor;
 class PlatformGestureEvent;
 class PlatformKeyboardEvent;
 class PlatformTouchEvent;
@@ skipping 232 matching lines @@
     void defaultArrowEventHandler(FocusType, KeyboardEvent*);
 
     void updateSelectionForMouseDrag(const HitTestResult&);
 
     void updateLastScrollbarUnderMouse(Scrollbar*, bool);
 
     void setFrameWasScrolledByUser();
 
     bool capturesDragging() const { return m_capturesDragging; }
 
-    bool isKeyEventAllowedInFullScreen(FullscreenElementStack*, const PlatformKeyboardEvent&) const;
+    bool isKeyEventAllowedInFullScreen(Fullscreen*, const PlatformKeyboardEvent&) const;
 
     bool handleGestureShowPress();
 
     bool handleScrollGestureOnResizer(Node*, const PlatformGestureEvent&);
 
     bool passScrollGestureEventToWidget(const PlatformGestureEvent&, RenderObject*);
     bool sendScrollEventToView(const PlatformGestureEvent&, const FloatSize&);
 
     AutoscrollController* autoscrollController() const;
     bool panScrollInProgress() const;
@@ skipping 78 matching lines @@
     bool m_longTapShouldInvokeContextMenu;
 
     Timer<EventHandler> m_activeIntervalTimer;
     double m_lastShowPressTimestamp;
     RefPtrWillBeMember<Element> m_lastDeferredTapElement;
 };
 
 } // namespace blink
 
 #endif // EventHandler_h