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diff --git a/chromium/third_party/WebKit/Source/core/events/EventPath.h b/chromium/third_party/WebKit/Source/core/events/EventPath.h
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+++ b/chromium/third_party/WebKit/Source/core/events/EventPath.h
@@ -0,0 +1,82 @@
+/*
+ * 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 EventPath_h
+#define EventPath_h
+
+#include "core/events/EventContext.h"
+
+#include "wtf/OwnPtr.h"
+#include "wtf/Vector.h"
+
+namespace WebCore {
+
+class Event;
+class EventTarget;
+class Node;
+
+enum EventDispatchBehavior {
+    RetargetEvent,
+    StayInsideShadowDOM
+};
+
+class EventPath {
+public:
+    explicit EventPath(Event*);
+    explicit EventPath(Node*);
+    void resetWith(Node*);
+
+    EventContext& operator[](size_t index) { return m_eventContexts[index]; }
+    const EventContext& operator[](size_t index) const { return m_eventContexts[index]; }
+    const EventContext& last() const { return m_eventContexts[size() - 1]; }
+
+    bool isEmpty() const { return m_eventContexts.isEmpty(); }
+    size_t size() const { return m_eventContexts.size(); }
+
+    void shrink(size_t newSize) { m_eventContexts.shrink(newSize); }
+
+    static Node* parent(Node*);
+    static EventTarget* eventTargetRespectingTargetRules(Node*);
+
+private:
+    EventPath();
+
+    EventContext& at(size_t index) { return m_eventContexts[index]; }
+
+    void addEventContext(Node*);
+
+    void calculatePath();
+    void calculateAdjustedTargets();
+    void calculateAdjustedEventPathForEachNode();
+
+    Vector<EventContext, 64> m_eventContexts;
+    Node* m_node;
+    Event* m_event;
+};
+
+} // namespace
+
+#endif