Revert 158219 "Move dom/*Event* to events to match the DOM vs. E..."

Source/core/events/EventPathWalker.h

Index: Source/core/events/EventPathWalker.h
===================================================================
--- Source/core/events/EventPathWalker.h	(revision 159156)
+++ Source/core/events/EventPathWalker.h	(working copy)
@@ -1,50 +0,0 @@
-/*
- * Copyright (C) 2013 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:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef EventPathWalker_h
-#define EventPathWalker_h
-
-namespace WebCore {
-
-class Node;
-
-class EventPathWalker {
-public:
-    explicit EventPathWalker(const Node*);
-    static Node* parent(const Node*);
-    void moveToParent();
-    Node* node() const { return const_cast<Node*>(m_node); }
-    bool isVisitingInsertionPointInReprojection() { return m_isVisitingInsertionPointInReprojection; }
-
-private:
-    const Node* m_node;
-    const Node* m_distributedNode;
-    bool m_isVisitingInsertionPointInReprojection;
-};
-
-} // namespace
-
-#endif