InlinedVisitor: Migrate page to use inlined tracing

Source/core/page/FrameTree.cpp

 /*
  * Copyright (C) Research In Motion Limited 2010. All rights reserved.
  * Copyright (C) 2006 Apple Computer, Inc.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 359 matching lines @@
 
 Frame* FrameTree::deepLastChild() const
 {
     Frame* result = m_thisFrame;
     for (Frame* last = lastChild(); last; last = last->tree().lastChild())
         result = last;
 
     return result;
 }
 
-void FrameTree::trace(Visitor* visitor)
+DEFINE_TRACE(FrameTree)
 {
     visitor->trace(m_thisFrame);
 }
 
 } // namespace blink
 
 #ifndef NDEBUG
 
 static void printIndent(int indent)
 {
@@ skipping 28 matching lines @@
 {
     if (!frame) {
         printf("Null input frame\n");
         return;
     }
 
     printFrames(frame->tree().top(), frame, 0);
 }
 
 #endif