Implement CSSOM Smooth Scroll API

Source/core/rendering/RenderTextControlSingleLine.cpp

Index: Source/core/rendering/RenderTextControlSingleLine.cpp
diff --git a/Source/core/rendering/RenderTextControlSingleLine.cpp b/Source/core/rendering/RenderTextControlSingleLine.cpp
index 3bf5188c5e9f3c4ec41ca79650dc8e33f0beb14f..fa36083019a7ec8178bc0e4a7177df67073bb45e 100644
--- a/Source/core/rendering/RenderTextControlSingleLine.cpp
+++ b/Source/core/rendering/RenderTextControlSingleLine.cpp
@@ -424,16 +424,16 @@ int RenderTextControlSingleLine::scrollTop() const
     return RenderBlock::scrollTop();
 }
 
-void RenderTextControlSingleLine::setScrollLeft(int newLeft)
+void RenderTextControlSingleLine::setScrollLeft(int newLeft, ScrollBehavior scrollBehavior)
 {
     if (innerTextElement())
-        innerTextElement()->setScrollLeft(newLeft);
+        innerTextElement()->setScrollLeft(newLeft, scrollBehavior);
 }
 
-void RenderTextControlSingleLine::setScrollTop(int newTop)
+void RenderTextControlSingleLine::setScrollTop(int newTop, ScrollBehavior scrollBehavior)
 {
     if (innerTextElement())
-        innerTextElement()->setScrollTop(newTop);
+        innerTextElement()->setScrollTop(newTop, scrollBehavior);
 }
 
 HTMLInputElement* RenderTextControlSingleLine::inputElement() const