Move Frame to the Oilpan heap.

Source/core/editing/TypingCommand.cpp

Index: Source/core/editing/TypingCommand.cpp
diff --git a/Source/core/editing/TypingCommand.cpp b/Source/core/editing/TypingCommand.cpp
index 47830a99e7d67baf690af586b3c3494656ccbd2b..72d5ebf42c192351416b9411e46f9eaffaf5eb6a 100644
--- a/Source/core/editing/TypingCommand.cpp
+++ b/Source/core/editing/TypingCommand.cpp
@@ -169,7 +169,7 @@ void TypingCommand::insertText(Document& document, const String& text, Options o
 // FIXME: We shouldn't need to take selectionForInsertion. It should be identical to FrameSelection's current selection.
 void TypingCommand::insertText(Document& document, const String& text, const VisibleSelection& selectionForInsertion, Options options, TextCompositionType compositionType)
 {
-    RefPtr<LocalFrame> frame = document.frame();
+    RefPtrWillBeRawPtr<LocalFrame> frame = document.frame();
     ASSERT(frame);
 
     VisibleSelection currentSelection = frame->selection().selection();