Create new event_utils.h file for Cocoa-specific event to WindowOpenDispositi...

chrome/browser/cocoa/test_event_utils.h

+// Copyright (c) 2009 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_COCOA_TEST_EVENT_UTILS_H_
+#define CHROME_BROWSER_COCOA_TEST_EVENT_UTILS_H_
+
+#import <objc/objc-class.h>
+
+#include "base/logging.h"
+
+// Within a given scope, replace the selector |selector| on |target| with that
+// from |source|.
+class ScopedClassSwizzler {
+ public:
+  ScopedClassSwizzler(Class target, Class source, SEL selector);
+  ~ScopedClassSwizzler();
+
+ private:
+  Method old_selector_impl_;
+  Method new_selector_impl_;
+
+  DISALLOW_COPY_AND_ASSIGN(ScopedClassSwizzler);
+};
+
+namespace test_event_utils {
+
+// Create a synthetic mouse event for testing. Currently this is very basic,
+// flesh out as needed.
+NSEvent* MakeMouseEvent(NSEventType type, NSUInteger modifiers);
+
+}  // namespace test_event_utils
+
+#endif  // CHROME_BROWSER_COCOA_TEST_EVENT_UTILS_H_
+