Remove more oilpan.

sky/engine/core/editing/FrameSelection.h

 /*
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010 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 38 matching lines @@
 class Text;
 class VisiblePosition;
 
 enum EUserTriggered { NotUserTriggered = 0, UserTriggered = 1 };
 
 enum RevealExtentOption {
     RevealExtent,
     DoNotRevealExtent
 };
 
-class FrameSelection final : public DummyBase<FrameSelection>, public VisibleSelection::ChangeObserver, private CaretBase {
+class FrameSelection final : public VisibleSelection::ChangeObserver, private CaretBase {
     WTF_MAKE_NONCOPYABLE(FrameSelection);
-    WTF_MAKE_FAST_ALLOCATED_WILL_BE_REMOVED;
-    WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(FrameSelection);
+    WTF_MAKE_FAST_ALLOCATED;
 public:
     static PassOwnPtr<FrameSelection> create(LocalFrame* frame = 0)
     {
         return adoptPtr(new FrameSelection(frame));
     }
     virtual ~FrameSelection();
 
     enum EAlteration { AlterationMove, AlterationExtend };
     enum CursorAlignOnScroll { AlignCursorOnScrollIfNeeded,
                                AlignCursorOnScrollAlways };
@@ skipping 229 matching lines @@
 }
 } // namespace blink
 
 #ifndef NDEBUG
 // Outside the WebCore namespace for ease of invocation from gdb.
 void showTree(const blink::FrameSelection&);
 void showTree(const blink::FrameSelection*);
 #endif
 
 #endif // FrameSelection_h