Move Frame to the Oilpan heap.

Source/core/page/FocusController.h

Index: Source/core/page/FocusController.h
diff --git a/Source/core/page/FocusController.h b/Source/core/page/FocusController.h
index f12d1a0d738e38327a99abeefbd46d7ded4fe986..2bc2551edc41ed7b0ce2642c7498ed561b24bb98 100644
--- a/Source/core/page/FocusController.h
+++ b/Source/core/page/FocusController.h
@@ -63,20 +63,20 @@ private:
     RawPtrWillBeMember<TreeScope> m_rootTreeScope;
 };
 
-class FocusController {
-    WTF_MAKE_NONCOPYABLE(FocusController); WTF_MAKE_FAST_ALLOCATED;
+class FocusController FINAL : public NoBaseWillBeGarbageCollectedFinalized<FocusController> {
+    WTF_MAKE_NONCOPYABLE(FocusController); WTF_MAKE_FAST_ALLOCATED_WILL_BE_REMOVED;
 public:
-    static PassOwnPtr<FocusController> create(Page*);
+    static PassOwnPtrWillBeRawPtr<FocusController> create(Page*);
 
-    void setFocusedFrame(PassRefPtr<Frame>);
-    void focusDocumentView(PassRefPtr<Frame>);
+    void setFocusedFrame(PassRefPtrWillBeRawPtr<Frame>);
+    void focusDocumentView(PassRefPtrWillBeRawPtr<Frame>);
     Frame* focusedFrame() const { return m_focusedFrame.get(); }
     Frame* focusedOrMainFrame() const;
 
     bool setInitialFocus(FocusType);
     bool advanceFocus(FocusType type) { return advanceFocus(type, false); }
 
-    bool setFocusedElement(Element*, PassRefPtr<Frame>, FocusType = FocusTypeNone);
+    bool setFocusedElement(Element*, PassRefPtrWillBeRawPtr<Frame>, FocusType = FocusTypeNone);
 
     void setActive(bool);
     bool isActive() const { return m_isActive; }
@@ -84,6 +84,8 @@ public:
     void setFocused(bool);
     bool isFocused() const { return m_isFocused; }
 
+    void trace(Visitor*);
+
 private:
     explicit FocusController(Page*);
 
@@ -115,7 +117,7 @@ private:
     void findFocusCandidateInContainer(Node& container, const LayoutRect& startingRect, FocusType, FocusCandidate& closest);
 
     Page* m_page;

[Mads Ager (chromium), 2014/09/03 10:07:54]

RawPtrWillBeMember<Page> and trace it?

-    RefPtr<Frame> m_focusedFrame;
+    RefPtrWillBeMember<Frame> m_focusedFrame;
     bool m_isActive;
     bool m_isFocused;
     bool m_isChangingFocusedFrame;