Remove more scrolling methods from FrameView.

sky/engine/platform/scroll/ScrollAnimator.cpp

Index: sky/engine/platform/scroll/ScrollAnimator.cpp
diff --git a/sky/engine/platform/scroll/ScrollAnimator.cpp b/sky/engine/platform/scroll/ScrollAnimator.cpp
index f84baef75d8ace9b50440a654171b6fb04373f49..e20df3d3ccf056cd5b7595b86819f53f0bebf079 100644
--- a/sky/engine/platform/scroll/ScrollAnimator.cpp
+++ b/sky/engine/platform/scroll/ScrollAnimator.cpp
@@ -49,6 +49,11 @@ ScrollAnimator::~ScrollAnimator()
 {
 }
 
+PassOwnPtr<ScrollAnimator> ScrollAnimator::create(ScrollableArea* scrollableArea)
+{
+    return adoptPtr(new ScrollAnimator(scrollableArea));
+}
+
 bool ScrollAnimator::scroll(ScrollbarOrientation orientation, ScrollGranularity, float step, float delta)
 {
     float& currentPos = (orientation == HorizontalScrollbar) ? m_currentPosX : m_currentPosY;