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diff --git a/chrome/browser/ui/views/event_utils.h b/chrome/browser/ui/views/event_utils.h
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+++ b/chrome/browser/ui/views/event_utils.h
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+// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef CHROME_BROWSER_UI_VIEWS_EVENT_UTILS_H__
+#define CHROME_BROWSER_UI_VIEWS_EVENT_UTILS_H__
+#pragma once
+
+#include "webkit/glue/window_open_disposition.h"
+
+namespace views {
+class MouseEvent;
+}
+
+namespace event_utils {
+
+// Translates event flags into what kind of disposition they represents.
+// For example, a middle click would mean to open a background tab.
+// event_flags are the flags as understood by views::MouseEvent.
+WindowOpenDisposition DispositionFromEventFlags(int event_flags);
+
+// Returns true if the specified mouse event may have a
+// WindowOptionDisposition.
+bool IsPossibleDispositionEvent(const views::MouseEvent& event);
+
+}
+
+#endif  // CHROME_BROWSER_UI_VIEWS_EVENT_UTILS_H__