Remove more scrolling methods from FrameView.

sky/engine/core/page/scrolling/ScrollingCoordinator.h

Index: sky/engine/core/page/scrolling/ScrollingCoordinator.h
diff --git a/sky/engine/core/page/scrolling/ScrollingCoordinator.h b/sky/engine/core/page/scrolling/ScrollingCoordinator.h
index f221825d3b860b437ffc45088d56d4b291c86cd9..c9ed1d0376331d59dfa481623ee55072399453ab 100644
--- a/sky/engine/core/page/scrolling/ScrollingCoordinator.h
+++ b/sky/engine/core/page/scrolling/ScrollingCoordinator.h
@@ -59,9 +59,6 @@ public:
 
     void updateAfterCompositingChangeIfNeeded();
 
-    void updateHaveWheelEventHandlers();
-    void updateHaveScrollEventHandlers();
-
 #if OS(MACOSX)
     // Dispatched by the scrolling tree during handleWheelEvent. This is required as long as scrollbars are painted on the main thread.
     void handleWheelEventPhase(PlatformWheelEventPhase);
@@ -95,14 +92,9 @@ protected:
     Page* m_page;
 
     // Dirty flags used to idenfity what really needs to be computed after compositing is updated.
-    bool m_scrollGestureRegionIsDirty;
     bool m_touchEventTargetRectsAreDirty;
-    bool m_shouldScrollOnMainThreadDirty;
 
 private:
-    bool shouldUpdateAfterCompositingChange() const { return m_scrollGestureRegionIsDirty || m_touchEventTargetRectsAreDirty || frameViewIsDirty(); }
-
-    void setShouldHandleScrollGestureOnMainThreadRegion(const Region&);
     void setTouchEventTargetRects(LayerHitTestRects&);
     void computeTouchEventTargetRects(LayerHitTestRects&);
 
@@ -110,8 +102,6 @@ private:
     blink::WebScrollbarLayer* getWebScrollbarLayer(ScrollableArea*, ScrollbarOrientation);
     void removeWebScrollbarLayer(ScrollableArea*, ScrollbarOrientation);
 
-    bool frameViewIsDirty() const;
-
     typedef HashMap<ScrollableArea*, OwnPtr<blink::WebScrollbarLayer> > ScrollbarMap;
     ScrollbarMap m_horizontalScrollbars;
     ScrollbarMap m_verticalScrollbars;