InlinedVisitor: Migrate page to use inlined tracing

Source/core/page/EventHandler.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2006 Alexey Proskuryakov (ap@webkit.org)
  * Copyright (C) 2012 Digia Plc. and/or its subsidiary(-ies)
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
@@ skipping 212 matching lines @@
     , m_activeIntervalTimer(this, &EventHandler::activeIntervalTimerFired)
     , m_lastShowPressTimestamp(0)
 {
 }
 
 EventHandler::~EventHandler()
 {
     ASSERT(!m_fakeMouseMoveEventTimer.isActive());
 }
 
-void EventHandler::trace(Visitor* visitor)
+DEFINE_TRACE(EventHandler)
 {
 #if ENABLE(OILPAN)
     visitor->trace(m_mousePressNode);
     visitor->trace(m_capturingMouseEventsNode);
     visitor->trace(m_nodeUnderMouse);
     visitor->trace(m_lastNodeUnderMouse);
     visitor->trace(m_lastMouseMoveEventSubframe);
     visitor->trace(m_lastScrollbarUnderMouse);
     visitor->trace(m_clickNode);
     visitor->trace(m_dragTarget);
@@ skipping 3694 matching lines @@
 
     // If it's in the direction to hide the top controls, only consume when the frame can also scroll.
     if (m_frame->view()->scrollPosition().y() < m_frame->view()->maximumScrollPosition().y())
         return true;
 
     return false;
 }
 
 
 } // namespace blink