Move selection invalidations to the invalidation phase

Source/core/rendering/RenderSelectionInfo.h

 /*
  * Copyright (C) 2000 Lars Knoll (knoll@kde.org)
  *           (C) 2000 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Dirk Mueller (mueller@kde.org)
  *           (C) 2004 Allan Sandfeld Jensen (kde@carewolf.com)
  * Copyright (C) 2003, 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
  * License as published by the Free Software Foundation; either
@@ skipping 28 matching lines @@
         , m_state(o->selectionState())
     {
     }
 
     void trace(Visitor* visitor)
     {
         visitor->trace(m_object);
         visitor->trace(m_paintInvalidationContainer);
     }
 
+    RenderObject* object() const { return m_object.get(); }

[yosin_UTC9, 2014/10/02 02:18:27]

nit: I prefer introducing |SelectionInfo::setShouldSelection()| rather than
|object()| to encapsulate selection related operation info |SelectionInfo|
class.

+
 protected:
     RawPtrWillBeMember<RenderObject> m_object;
     RawPtrWillBeMember<const RenderLayerModelObject> m_paintInvalidationContainer;
     RenderObject::SelectionState m_state;
 };
 
 // This struct is used when the selection changes to cache the old and new state of the selection for each RenderObject.
 class RenderSelectionInfo FINAL : public RenderSelectionInfoBase {
 public:
     RenderSelectionInfo(RenderObject* o)
@@ skipping 71 matching lines @@
 private:
     RenderBlock* block() const { return toRenderBlock(m_object); }
 
     GapRects m_rects; // relative to paint invalidation container
 };
 
 } // namespace blink
 
 
 #endif // RenderSelectionInfo_h