Introduce TreeScopeEventContext

Source/core/events/EventRetargeter.h

Index: Source/core/events/EventRetargeter.h
diff --git a/Source/core/events/EventRetargeter.h b/Source/core/events/EventRetargeter.h
deleted file mode 100644
index 38d391c348b84c9f0c5125ecde67609ec3e91ea2..0000000000000000000000000000000000000000
--- a/Source/core/events/EventRetargeter.h
+++ /dev/null
@@ -1,64 +0,0 @@
-/*
- * Copyright (C) 2013 Google Inc. All rights reserved.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public License
- * along with this library; see the file COPYING.LIB.  If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
- * Boston, MA 02110-1301, USA.
- */
-
-#ifndef EventRetargeter_h
-#define EventRetargeter_h
-
-#include "wtf/HashMap.h"
-#include "wtf/RefPtr.h"
-#include "wtf/Vector.h"
-
-namespace WebCore {
-
-class EventPath;
-class EventTarget;
-class FocusEvent;
-class MouseEvent;
-class Node;
-class TouchEvent;
-class TouchList;
-class TreeScope;
-
-class EventRetargeter {
-public:
-    static void adjustForMouseEvent(Node*, MouseEvent&);
-    static void adjustForFocusEvent(Node*, FocusEvent&);
-    typedef Vector<RefPtr<TouchList> > EventPathTouchLists;
-    static void adjustForTouchEvent(Node*, TouchEvent&);
-
-private:
-    typedef Vector<RefPtr<EventTarget> > AdjustedTargets;
-    typedef HashMap<TreeScope*, EventTarget*> RelatedTargetMap;
-    enum EventWithRelatedTargetDispatchBehavior {
-        StopAtBoundaryIfNeeded,
-        DoesNotStopAtBoundary
-    };
-    static void adjustForRelatedTarget(const Node*, EventTarget* relatedTarget, EventPath&);
-    static void calculateAdjustedNodes(const Node*, const Node* relatedNode, EventWithRelatedTargetDispatchBehavior, EventPath&, AdjustedTargets&);
-    static void buildRelatedNodeMap(const Node*, RelatedTargetMap&);
-    static EventTarget* findRelatedNode(TreeScope*, RelatedTargetMap&);
-    static void adjustTouchList(const Node*, const TouchList*, const EventPath&, EventPathTouchLists&);
-#ifndef NDEBUG
-    static void checkReachability(Node*, TouchList*);
-#endif
-};
-
-}
-
-#endif // EventRetargeter_h