Implement CSSOM Smooth Scroll API

Source/core/rendering/RenderTextControlSingleLine.cpp

 /**
  * Copyright (C) 2006, 2007, 2010 Apple Inc. All rights reserved.
  *           (C) 2008 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2010 Google Inc. All rights reserved.
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
  *
  * 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 382 matching lines @@
     return RenderBlockFlow::scrollLeft();
 }
 
 LayoutUnit RenderTextControlSingleLine::scrollTop() const
 {
     if (innerEditorElement())
         return innerEditorElement()->scrollTop();
     return RenderBlockFlow::scrollTop();
 }
 
-void RenderTextControlSingleLine::setScrollLeft(LayoutUnit newLeft)
+void RenderTextControlSingleLine::setScrollLeft(LayoutUnit newLeft, ScrollBehavior scrollBehavior)
 {
     if (innerEditorElement())
-        innerEditorElement()->setScrollLeft(newLeft);
+        innerEditorElement()->setScrollLeft(newLeft, scrollBehavior);
 }
 
-void RenderTextControlSingleLine::setScrollTop(LayoutUnit newTop)
+void RenderTextControlSingleLine::setScrollTop(LayoutUnit newTop, ScrollBehavior scrollBehavior)
 {
     if (innerEditorElement())
-        innerEditorElement()->setScrollTop(newTop);
+        innerEditorElement()->setScrollTop(newTop, scrollBehavior);
 }
 
 HTMLInputElement* RenderTextControlSingleLine::inputElement() const
 {
     return toHTMLInputElement(node());
 }
 
 }