[CSS] -webkit-var must be case sensitive according to specs

Source/core/rendering/RenderView.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2006 Apple Computer, Inc.
  *
  * 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
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 266 matching lines @@
     LayoutState* m_layoutState;
     unsigned m_layoutStateDisableCount;
     OwnPtr<RenderLayerCompositor> m_compositor;
     OwnPtr<CustomFilterGlobalContext> m_customFilterGlobalContext;
     OwnPtr<FlowThreadController> m_flowThreadController;
     RefPtr<IntervalArena> m_intervalArena;
 
     RenderLazyBlock* m_firstLazyBlock;
     RenderQuote* m_renderQuoteHead;
     unsigned m_renderCounterCount;
+
+    bool m_selectionWasCaret;
 };
 
 inline RenderView* toRenderView(RenderObject* object)
 {
     ASSERT_WITH_SECURITY_IMPLICATION(!object || object->isRenderView());
     return static_cast<RenderView*>(object);
 }
 
 inline const RenderView* toRenderView(const RenderObject* object)
 {
@@ skipping 102 matching lines @@
     RenderObject::FlowThreadState m_flowThreadState;
     bool m_fragmenting;
 #ifndef NDEBUG
     LayoutState* m_layoutState;
 #endif
 };
 
 } // namespace WebCore
 
 #endif // RenderView_h