Move Frame to the Oilpan heap.

Source/core/editing/Editor.h

 /*
  * Copyright (C) 2006, 2007, 2008 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 53 matching lines @@
 enum EditorParagraphSeparator { EditorParagraphSeparatorIsDiv, EditorParagraphSeparatorIsP };
 
 class Editor FINAL : public NoBaseWillBeGarbageCollectedFinalized<Editor> {
     WTF_MAKE_NONCOPYABLE(Editor);
 public:
     static PassOwnPtrWillBeRawPtr<Editor> create(LocalFrame&);
     ~Editor();
 
     EditorClient& client() const;
 
-    LocalFrame& frame() const { return m_frame; }
+    LocalFrame& frame() const { return *m_frame; }
 
     CompositeEditCommand* lastEditCommand() { return m_lastEditCommand.get(); }
 
     void handleKeyboardEvent(KeyboardEvent*);
     bool handleTextEvent(TextEvent*);
 
     bool canEdit() const;
     bool canEditRichly() const;
 
     bool canDHTMLCut();
@@ skipping 38 matching lines @@
     void applyParagraphStyleToSelection(StylePropertySet*, EditAction);
 
     void appliedEditing(PassRefPtrWillBeRawPtr<CompositeEditCommand>);
     void unappliedEditing(PassRefPtrWillBeRawPtr<EditCommandComposition>);
     void reappliedEditing(PassRefPtrWillBeRawPtr<EditCommandComposition>);
 
     void setShouldStyleWithCSS(bool flag) { m_shouldStyleWithCSS = flag; }
     bool shouldStyleWithCSS() const { return m_shouldStyleWithCSS; }
 
     class Command {
+        STACK_ALLOCATED();
     public:
         Command();
-        Command(const EditorInternalCommand*, EditorCommandSource, PassRefPtr<LocalFrame>);
+        Command(const EditorInternalCommand*, EditorCommandSource, PassRefPtrWillBeRawPtr<LocalFrame>);
 
         bool execute(const String& parameter = String(), Event* triggeringEvent = 0) const;
         bool execute(Event* triggeringEvent) const;
 
         bool isSupported() const;
         bool isEnabled(Event* triggeringEvent = 0) const;
 
         TriState state(Event* triggeringEvent = 0) const;
         String value(Event* triggeringEvent = 0) const;
 
         bool isTextInsertion() const;
 
         // Returns 0 if this Command is not supported.
         int idForHistogram() const;
     private:
         const EditorInternalCommand* m_command;
         EditorCommandSource m_source;
-        RefPtr<LocalFrame> m_frame;
+        RefPtrWillBeMember<LocalFrame> m_frame;
     };
     Command command(const String& commandName); // Command source is CommandFromMenuOrKeyBinding.
     Command command(const String& commandName, EditorCommandSource);
 
     // |Editor::executeCommand| is implementation of |WebFrame::executeCommand|
     // rather than |Document::execCommand|.
     bool executeCommand(const String&);
     bool executeCommand(const String& commandName, const String& value);
 
     bool insertText(const String&, KeyboardEvent* triggeringEvent);
@@ skipping 67 matching lines @@
         RevealSelectionScope(Editor*);
         ~RevealSelectionScope();
     private:
         Editor* m_editor;
     };
     friend class RevealSelectionScope;
 
     void trace(Visitor*);
 
 private:
-    LocalFrame& m_frame;
+    RawPtrWillBeMember<LocalFrame> m_frame;
     RefPtrWillBeMember<CompositeEditCommand> m_lastEditCommand;
     int m_preventRevealSelection;
     bool m_shouldStartNewKillRingSequence;
     bool m_shouldStyleWithCSS;
     const OwnPtr<KillRing> m_killRing;
     VisibleSelection m_mark;
     bool m_areMarkedTextMatchesHighlighted;
     EditorParagraphSeparator m_defaultParagraphSeparator;
     bool m_overwriteModeEnabled;
 
@@ skipping 43 matching lines @@
 
 inline bool Editor::markedTextMatchesAreHighlighted() const
 {
     return m_areMarkedTextMatchesHighlighted;
 }
 
 
 } // namespace blink
 
 #endif // Editor_h