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

Source/core/events/EventPathWalker.cpp

Index: Source/core/events/EventPathWalker.cpp
===================================================================
--- Source/core/events/EventPathWalker.cpp	(revision 159156)
+++ Source/core/events/EventPathWalker.cpp	(working copy)
@@ -1,82 +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.
- */
-
-#include "config.h"
-#include "core/events/EventPathWalker.h"
-
-#include "core/dom/shadow/ElementShadow.h"
-#include "core/dom/shadow/InsertionPoint.h"
-#include "core/dom/shadow/ShadowRoot.h"
-
-namespace WebCore {
-
-EventPathWalker::EventPathWalker(const Node* node)
-    : m_node(node)
-    , m_distributedNode(node)
-    , m_isVisitingInsertionPointInReprojection(false)
-{
-    ASSERT(node);
-    node->document().updateDistributionForNodeIfNeeded(const_cast<Node*>(node));
-}
-
-Node* EventPathWalker::parent(const Node* node)
-{
-    EventPathWalker walker(node);
-    walker.moveToParent();
-    return walker.node();
-}
-
-void EventPathWalker::moveToParent()
-{
-    ASSERT(m_node);
-    ASSERT(m_distributedNode);
-    if (ElementShadow* shadow = shadowOfParent(m_node)) {
-        if (InsertionPoint* insertionPoint = shadow->findInsertionPointFor(m_distributedNode)) {
-            m_node = insertionPoint;
-            m_isVisitingInsertionPointInReprojection = true;
-            return;
-        }
-    }
-    if (!m_node->isShadowRoot()) {
-        m_node = m_node->parentNode();
-        if (!(m_node && m_node->isShadowRoot() && toShadowRoot(m_node)->insertionPoint()))
-            m_distributedNode = m_node;
-        m_isVisitingInsertionPointInReprojection = false;
-        return;
-    }
-
-    const ShadowRoot* shadowRoot = toShadowRoot(m_node);
-    if (InsertionPoint* insertionPoint = shadowRoot->insertionPoint()) {
-        m_node = insertionPoint;
-        m_isVisitingInsertionPointInReprojection = true;
-        return;
-    }
-    m_node = shadowRoot->host();
-    m_distributedNode = m_node;
-    m_isVisitingInsertionPointInReprojection = false;
-}
-
-} // namespace