Oilpan: move RenderObjects off heap.

Source/core/frame/FrameView.h

 /*
    Copyright (C) 1997 Martin Jones (mjones@kde.org)
              (C) 1998 Waldo Bastian (bastian@kde.org)
              (C) 1998, 1999 Torben Weis (weis@kde.org)
              (C) 1999 Lars Knoll (knoll@kde.org)
              (C) 1999 Antti Koivisto (koivisto@kde.org)
    Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
 
    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
@@ skipping 681 matching lines @@
     void updateOverhangAreas();
 
     bool isFrameViewScrollbar(const Widget* child) const { return horizontalScrollbar() == child || verticalScrollbar() == child; }
 
     ScrollingCoordinator* scrollingCoordinator();
 
     static double s_currentFrameTimeStamp; // used for detecting decoded resource thrash in the cache
 
     LayoutSize m_size;
 
-    typedef WillBeHeapHashSet<RefPtrWillBeMember<RenderEmbeddedObject>> EmbeddedObjectSet;
-    WillBeHeapHashSet<RefPtrWillBeMember<RenderEmbeddedObject>> m_partUpdateSet;
+    typedef HashSet<RefPtr<RenderEmbeddedObject>> EmbeddedObjectSet;
+    EmbeddedObjectSet m_partUpdateSet;
 
     // FIXME: These are just "children" of the FrameView and should be RefPtrWillBeMember<Widget> instead.
-    WillBeHeapHashSet<RefPtrWillBeMember<RenderPart>> m_parts;
+    HashSet<RefPtr<RenderPart>> m_parts;
 
     // The RefPtr cycle between LocalFrame and FrameView is broken
     // when a LocalFrame is detached by FrameLoader::detachFromParent().
     // It clears the LocalFrame's m_view reference via setView(nullptr).
     //
     // For Oilpan, Member reference cycles pose no problem, but
     // LocalFrame's FrameView is also cleared by setView(). This additionally
     // triggers FrameView::dispose(), which performs the operations
     // that cannot be delayed until finalization time.
     RefPtrWillBeMember<LocalFrame> m_frame;
@@ skipping 46 matching lines @@
     bool m_isPainting;
 
     unsigned m_visuallyNonEmptyCharacterCount;
     unsigned m_visuallyNonEmptyPixelCount;
     bool m_isVisuallyNonEmpty;
     bool m_firstVisuallyNonEmptyLayoutCallbackPending;
 
     RefPtrWillBeMember<Node> m_maintainScrollPositionAnchor;
 
     // Renderer to hold our custom scroll corner.
-    RawPtrWillBeMember<RenderScrollbarPart> m_scrollCorner;
+    RenderScrollbarPart* m_scrollCorner;
 
     OwnPtr<ScrollableAreaSet> m_scrollableAreas;
     OwnPtr<ScrollableAreaSet> m_animatingScrollableAreas;
     OwnPtr<ResizerAreaSet> m_resizerAreas;
     OwnPtr<ViewportConstrainedObjectSet> m_viewportConstrainedObjects;
     OwnPtrWillBeMember<FrameViewAutoSizeInfo> m_autoSizeInfo;
 
     float m_visibleContentScaleFactor;
     IntSize m_inputEventsOffsetForEmulation;
     float m_inputEventsScaleFactorForEmulation;
@@ skipping 89 matching lines @@
     }
 
 private:
     RawPtrWillBeMember<FrameView> m_view;
     bool m_originalValue;
 };
 
 } // namespace blink
 
 #endif // FrameView_h