Revert removal of events

Source/core/dom/EventContext.h

 /*
  * Copyright (C) 2010 Google 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 17 matching lines @@
 #define EventContext_h
 
 #include "EventTarget.h"
 #include "Node.h"
 #include "TreeScope.h"
 #include <wtf/RefPtr.h>
 
 namespace WebCore {
 
 class Event;
+#if ENABLE(TOUCH_EVENTS)
 class TouchList;
+#endif
 
 class EventContext {
 public:
     // FIXME: Use ContainerNode instead of Node.
     EventContext(PassRefPtr<Node>, PassRefPtr<EventTarget> currentTarget, PassRefPtr<EventTarget> target);
     virtual ~EventContext();
 
     Node* node() const { return m_node.get(); }
     EventTarget* target() const { return m_target.get(); }
     bool currentTargetSameAsTarget() const { return m_currentTarget.get() == m_target.get(); }
@@ skipping 20 matching lines @@
     EventTarget* relatedTarget() const { return m_relatedTarget.get(); }
     void setRelatedTarget(PassRefPtr<EventTarget>);
     virtual void handleLocalEvents(Event*) const OVERRIDE;
     virtual bool isMouseOrFocusEventContext() const OVERRIDE;
 
 private:
     RefPtr<EventTarget> m_relatedTarget;
 };
 
 
+#if ENABLE(TOUCH_EVENTS)
 class TouchEventContext : public EventContext {
 public:
     TouchEventContext(PassRefPtr<Node>, PassRefPtr<EventTarget> currentTarget, PassRefPtr<EventTarget> target);
     virtual ~TouchEventContext();
 
     virtual void handleLocalEvents(Event*) const OVERRIDE;
     virtual bool isTouchEventContext() const OVERRIDE;
 
     TouchList* touches() { return m_touches.get(); }
     TouchList* targetTouches() { return m_targetTouches.get(); }
     TouchList* changedTouches() { return m_changedTouches.get(); }
 
 private:
     RefPtr<TouchList> m_touches;
     RefPtr<TouchList> m_targetTouches;
     RefPtr<TouchList> m_changedTouches;
 #ifndef NDEBUG
     void checkReachability(TouchList*) const;
 #endif
 };
 
 inline TouchEventContext* toTouchEventContext(EventContext* eventContext)
 {
     ASSERT_WITH_SECURITY_IMPLICATION(!eventContext || eventContext->isTouchEventContext());
     return static_cast<TouchEventContext*>(eventContext);
 }
+#endif // ENABLE(TOUCH_EVENTS)
 
 #ifndef NDEBUG
 inline bool EventContext::isUnreachableNode(EventTarget* target)
 {
     // FIXME: Checks also for SVG elements.
     return target && target->toNode() && !target->toNode()->isSVGElement() && !isReachable(target->toNode());
 }
 
 inline bool EventContext::isReachable(Node* target) const
 {
     ASSERT(target);
     TreeScope* targetScope = target->treeScope();
     for (TreeScope* scope = m_node->treeScope(); scope; scope = scope->parentTreeScope()) {
         if (scope == targetScope)
             return true;
     }
     return false;
 }
 #endif
 
 inline void MouseOrFocusEventContext::setRelatedTarget(PassRefPtr<EventTarget> relatedTarget)
 {
     ASSERT(!isUnreachableNode(relatedTarget.get()));
     m_relatedTarget = relatedTarget;
 }
 
 }
 
 #endif // EventContext_h