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diff --git a/chromium/ui/base/cocoa/cocoa_base_utils.h b/chromium/ui/base/cocoa/cocoa_base_utils.h
new file mode 100644
index 00000000000..c479f72f2a5
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+++ b/chromium/ui/base/cocoa/cocoa_base_utils.h
@@ -0,0 +1,31 @@
+// Copyright 2014 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 UI_BASE_COCOA_COCOA_BASE_UTILS_H_
+#define UI_BASE_COCOA_COCOA_BASE_UTILS_H_
+
+#import <Cocoa/Cocoa.h>
+
+#include "ui/base/ui_base_export.h"
+#include "ui/base/window_open_disposition.h"
+
+namespace ui {
+
+// Retrieves the WindowOpenDisposition used to open a link from a user gesture
+// represented by |event|. For example, a Cmd+Click would mean open the
+// associated link in a background tab.
+UI_BASE_EXPORT WindowOpenDisposition
+    WindowOpenDispositionFromNSEvent(NSEvent* event);
+
+// Retrieves the WindowOpenDisposition used to open a link from a user gesture
+// represented by |event|, but instead use the modifier flags given by |flags|,
+// which is the same format as |-NSEvent modifierFlags|. This allows
+// substitution of the modifiers without having to create a new event from
+// scratch.
+UI_BASE_EXPORT WindowOpenDisposition
+    WindowOpenDispositionFromNSEventWithFlags(NSEvent* event, NSUInteger flags);
+
+}  // namespace ui
+
+#endif  // UI_BASE_COCOA_COCOA_BASE_UTILS_H_