Remove tons of OILPAN.

sky/engine/core/editing/FrameSelection.cpp

 /*
  * Copyright (C) 2004, 2008, 2009, 2010 Apple Inc. All rights reserved.
  *
  * 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.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 1678 matching lines @@
     m_selection.formatForDebugger(buffer, length);
 }
 
 void FrameSelection::showTreeForThis() const
 {
     m_selection.showTreeForThis();
 }
 
 #endif
 
-void FrameSelection::trace(Visitor* visitor)
-{
-    visitor->trace(m_selection);
-    visitor->trace(m_originalBase);
-    visitor->trace(m_logicalRange);
-    visitor->trace(m_previousCaretNode);
-    visitor->trace(m_typingStyle);
-    VisibleSelection::ChangeObserver::trace(visitor);
-}
-
 void FrameSelection::setCaretRectNeedsUpdate()
 {
     m_caretRectDirty = true;
 
     scheduleVisualUpdate();
 }
 
 void FrameSelection::scheduleVisualUpdate() const
 {
     if (!m_frame)
@@ skipping 11 matching lines @@
     sel.showTreeForThis();
 }
 
 void showTree(const blink::FrameSelection* sel)
 {
     if (sel)
         sel->showTreeForThis();
 }
 
 #endif