Fix clientLeft value for RTL direction, while the element have vertical scrollbar in left side.

Source/core/rendering/RenderBox.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2003, 2006, 2007 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
  * version 2 of the License, or (at your option) any later version.
  *
@@ skipping 233 matching lines @@
     virtual LayoutUnit offsetHeight() const OVERRIDE { return height(); }
 
     virtual int pixelSnappedOffsetWidth() const OVERRIDE FINAL;
     virtual int pixelSnappedOffsetHeight() const OVERRIDE FINAL;
 
     bool canDetermineWidthWithoutLayout() const;
     LayoutUnit fixedOffsetWidth() const;
 
     // More IE extensions.  clientWidth and clientHeight represent the interior of an object
     // excluding border and scrollbar.  clientLeft/Top are just the borderLeftWidth and borderTopWidth.
-    LayoutUnit clientLeft() const { return borderLeft(); }
+    LayoutUnit clientLeft() const { return borderLeft() + (style()->shouldPlaceBlockDirectionScrollbarOnLogicalLeft() ? verticalScrollbarWidth() : 0); }
     LayoutUnit clientTop() const { return borderTop(); }
     LayoutUnit clientWidth() const;
     LayoutUnit clientHeight() const;
     LayoutUnit clientLogicalWidth() const { return style()->isHorizontalWritingMode() ? clientWidth() : clientHeight(); }
     LayoutUnit clientLogicalHeight() const { return style()->isHorizontalWritingMode() ? clientHeight() : clientWidth(); }
     LayoutUnit clientLogicalBottom() const { return borderBefore() + clientLogicalHeight(); }
     LayoutRect clientBoxRect() const { return LayoutRect(clientLeft(), clientTop(), clientWidth(), clientHeight()); }
 
     int pixelSnappedClientWidth() const;
     int pixelSnappedClientHeight() const;
@@ skipping 509 matching lines @@
         if (UNLIKELY(inlineBoxWrapper() != 0))
             deleteLineBoxWrapper();
     }
 
     ensureRareData().m_inlineBoxWrapper = boxWrapper;
 }
 
 } // namespace WebCore
 
 #endif // RenderBox_h