Fix RTL scroll bars being misrendered on Android.

Source/core/rendering/RenderLayerScrollableArea.h

 /*
  * Copyright (C) 2003, 2009, 2012 Apple Inc. All rights reserved.
  *
  * Portions are Copyright (C) 1998 Netscape Communications Corporation.
  *
  * Other contributors:
  *   Robert O'Callahan <roc+@cs.cmu.edu>
  *   David Baron <dbaron@fas.harvard.edu>
  *   Christian Biesinger <cbiesinger@web.de>
  *   Randall Jesup <rjesup@wgate.com>
@@ skipping 85 matching lines @@
     virtual IntRect visibleContentRect(VisibleContentRectIncludesScrollbars) const OVERRIDE;
     virtual int visibleHeight() const OVERRIDE;
     virtual int visibleWidth() const OVERRIDE;
     virtual IntSize contentsSize() const OVERRIDE;
     virtual IntSize overhangAmount() const OVERRIDE;
     virtual IntPoint lastKnownMousePosition() const OVERRIDE;
     virtual bool shouldSuspendScrollAnimations() const OVERRIDE;
     virtual bool scrollbarsCanBeActive() const OVERRIDE;
     virtual IntRect scrollableAreaBoundingBox() const OVERRIDE;
     virtual bool userInputScrollable(ScrollbarOrientation) const OVERRIDE;
+    virtual bool shouldPlaceVerticalScrollbarOnLeft() const OVERRIDE;
     virtual int pageStep(ScrollbarOrientation) const OVERRIDE;
 
     int scrollXOffset() const { return m_scrollOffset.width() + scrollOrigin().x(); }
     int scrollYOffset() const { return m_scrollOffset.height() + scrollOrigin().y(); }
 
     IntSize scrollOffset() const { return m_scrollOffset; }
 
     // FIXME: We shouldn't allow access to m_overflowRect outside this class.
     LayoutRect overflowRect() const { return m_overflowRect; }
 
@@ skipping 27 matching lines @@
     // The width/height of our scrolled area.
     LayoutRect m_overflowRect;
 
     // This is the (scroll) offset from scrollOrigin().
     IntSize m_scrollOffset;
 };
 
 } // Namespace WebCore
 
 #endif // RenderLayerScrollableArea_h