Add mouseLeave API in eventSender.

content/shell/renderer/test_runner/event_sender.h

 // 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 CONTENT_SHELL_RENDERER_TEST_RUNNER_EVENT_SENDER_H_
 #define CONTENT_SHELL_RENDERER_TEST_RUNNER_EVENT_SENDER_H_
 
 #include <queue>
 #include <string>
 #include <vector>
@@ skipping 134 matching lines @@
   void GestureTap(gin::Arguments* args);
   void GestureTapDown(gin::Arguments* args);
   void GestureShowPress(gin::Arguments* args);
   void GestureTapCancel(gin::Arguments* args);
   void GestureLongPress(gin::Arguments* args);
   void GestureLongTap(gin::Arguments* args);
   void GestureTwoFingerTap(gin::Arguments* args);
 
   void ContinuousMouseScrollBy(gin::Arguments* args);
   void MouseMoveTo(gin::Arguments* args);
+  void MouseLeave();
   void TrackpadScrollBegin();
   void TrackpadScroll(gin::Arguments* args);
   void TrackpadScrollEnd();
   void MouseScrollBy(gin::Arguments* args);
   void MouseMomentumBegin();
   void MouseMomentumBegin2(gin::Arguments* args);
   void MouseMomentumScrollBy(gin::Arguments* args);
   void MouseMomentumEnd();
   void ScheduleAsynchronousClick(int button_number, int modifiers);
   void ScheduleAsynchronousKeyDown(const std::string& code_str,
@@ skipping 118 matching lines @@
   int click_count_;
 
   base::WeakPtrFactory<EventSender> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(EventSender);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_SHELL_RENDERER_TEST_RUNNER_EVENT_SENDER_H_