Remove a bunch of frame-level scrolling machinery.

sky/engine/core/dom/Touch.cpp

 /*
  * Copyright 2008, The Android Open Source Project
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *  * Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  *  * Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 15 matching lines @@
 #include "config.h"
 
 #include "core/dom/Touch.h"
 
 #include "core/frame/FrameView.h"
 #include "core/frame/LocalFrame.h"
 #include "platform/geometry/FloatPoint.h"
 
 namespace blink {
 
-static FloatPoint contentsOffset(LocalFrame* frame)
-{
-    if (!frame)
-        return FloatPoint();
-    FrameView* frameView = frame->view();
-    if (!frameView)
-        return FloatPoint();
-    float scale = 1.0f / frame->pageZoomFactor();
-    return FloatPoint(frameView->scrollPosition()).scaledBy(scale);
-}
-
 Touch::Touch(LocalFrame* frame, EventTarget* target, unsigned identifier, const FloatPoint& screenPos, const FloatPoint& pagePos, const FloatSize& radius, float rotationAngle, float force)
     : m_target(target)
     , m_identifier(identifier)
-    , m_clientPos(pagePos - contentsOffset(frame))
+    , m_clientPos(pagePos)
     , m_screenPos(screenPos)
     , m_pagePos(pagePos)
     , m_radius(radius)
     , m_rotationAngle(rotationAngle)
     , m_force(force)
 {
     ScriptWrappable::init(this);
     float scaleFactor = frame ? frame->pageZoomFactor() : 1.0f;
     m_absoluteLocation = roundedLayoutPoint(pagePos.scaledBy(scaleFactor));
 }
@@ skipping 16 matching lines @@
 {
     return adoptRefWillBeNoop(new Touch(eventTarget, m_identifier, m_clientPos, m_screenPos, m_pagePos, m_radius, m_rotationAngle, m_force, m_absoluteLocation));
 }
 
 void Touch::trace(Visitor* visitor)
 {
     visitor->trace(m_target);
 }
 
 } // namespace blink