Remove more frame-level scrolling machinery.

sky/engine/core/page/EventHandler.cpp

Index: sky/engine/core/page/EventHandler.cpp
diff --git a/sky/engine/core/page/EventHandler.cpp b/sky/engine/core/page/EventHandler.cpp
index 16842801ab218be01f194ae1e3c0acf287d69dac..615a54ec5532086e2d80a062a09e1abb4366cea8 100644
--- a/sky/engine/core/page/EventHandler.cpp
+++ b/sky/engine/core/page/EventHandler.cpp
@@ -784,7 +784,6 @@ bool EventHandler::scroll(ScrollDirection direction, ScrollGranularity granulari
             *stopNode = curBox->node();
 
         if (didScroll || shouldStopBubbling) {
-            setFrameWasScrolledByUser();
             return true;
         }
 
@@ -1483,7 +1482,6 @@ bool EventHandler::handleWheelEvent(const PlatformWheelEvent& event)
 {
 #define RETURN_WHEEL_EVENT_HANDLED() \

[esprehn, 2014/10/29 03:06:48]

you should remove the macro, all it did was call this and return. now you can
just write the return.

     { \
-        setFrameWasScrolledByUser(); \
         return true; \
     }
 
@@ -1936,7 +1934,6 @@ bool EventHandler::handleGestureScrollUpdate(const PlatformGestureEvent& gesture
         m_previousGestureScrolledNode = stopNode;
 
     if (horizontalScroll || verticalScroll) {
-        setFrameWasScrolledByUser();
         return true;
     }
 
@@ -1961,9 +1958,6 @@ bool EventHandler::sendScrollEventToView(const PlatformGestureEvent& gestureEven
     syntheticWheelEvent.setHasPreciseScrollingDeltas(true);
 
     bool scrolledFrame = view->wheelEvent(syntheticWheelEvent);
-    if (scrolledFrame)
-        setFrameWasScrolledByUser();
-
     return scrolledFrame;
 }
 
@@ -2450,12 +2444,6 @@ void EventHandler::capsLockStateMayHaveChanged()
 {
 }
 
-void EventHandler::setFrameWasScrolledByUser()
-{
-    if (FrameView* view = m_frame->view())
-        view->setWasScrolledByUser(true);
-}
-
 bool EventHandler::passMousePressEventToScrollbar(MouseEventWithHitTestResults& mev)
 {
     // FIXME(sky): Remove