Remove tons of OILPAN.

sky/engine/core/editing/ReplaceSelectionCommand.cpp

Index: sky/engine/core/editing/ReplaceSelectionCommand.cpp
diff --git a/sky/engine/core/editing/ReplaceSelectionCommand.cpp b/sky/engine/core/editing/ReplaceSelectionCommand.cpp
index 2eea3f84822d7c5cc735a3f740640f7a43fc5708..d94eaf6c8cd59f163b1c4cf17464356a59890de7 100644
--- a/sky/engine/core/editing/ReplaceSelectionCommand.cpp
+++ b/sky/engine/core/editing/ReplaceSelectionCommand.cpp
@@ -1012,13 +1012,4 @@ bool ReplaceSelectionCommand::performTrivialReplace(const ReplacementFragment& f
     return true;
 }
 
-void ReplaceSelectionCommand::trace(Visitor* visitor)
-{
-    visitor->trace(m_startOfInsertedContent);
-    visitor->trace(m_endOfInsertedContent);
-    visitor->trace(m_insertionStyle);
-    visitor->trace(m_documentFragment);
-    CompositeEditCommand::trace(visitor);
-}
-
 } // namespace blink