Merge FrameView and ScrollView.

Source/core/rendering/RenderBox.cpp

Index: Source/core/rendering/RenderBox.cpp
diff --git a/Source/core/rendering/RenderBox.cpp b/Source/core/rendering/RenderBox.cpp
index 0ea634be3aaab7e1e226da1d2968a3187507b44d..7b8b1fd5b75a09ee93b2225f5892f1fb83a39832 100644
--- a/Source/core/rendering/RenderBox.cpp
+++ b/Source/core/rendering/RenderBox.cpp
@@ -801,9 +801,9 @@ void RenderBox::panScroll(const IntPoint& sourcePoint)
 
     IntSize delta = lastKnownMousePosition - sourcePoint;
 
-    if (abs(delta.width()) <= ScrollView::noPanScrollRadius) // at the center we let the space for the icon
+    if (abs(delta.width()) <= FrameView::noPanScrollRadius) // at the center we let the space for the icon
         delta.setWidth(0);
-    if (abs(delta.height()) <= ScrollView::noPanScrollRadius)
+    if (abs(delta.height()) <= FrameView::noPanScrollRadius)
         delta.setHeight(0);
     scrollByRecursively(adjustedScrollDelta(delta), ScrollOffsetClamped);
 }