Removed android scrolling fake mouse moves and device_supports_mouse

third_party/WebKit/Source/core/frame/FrameView.cpp

 /*
  * Copyright (C) 1998, 1999 Torben Weis <weis@kde.org>
  *                     1999 Lars Knoll <knoll@kde.org>
  *                     1999 Antti Koivisto <koivisto@kde.org>
  *                     2000 Dirk Mueller <mueller@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
  *           (C) 2006 Graham Dennis (graham.dennis@gmail.com)
  *           (C) 2006 Alexey Proskuryakov (ap@nypop.com)
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
@@ skipping 1600 matching lines @@
   }
 }
 
 IntPoint FrameView::lastKnownMousePosition() const {
   return m_frame->eventHandler().lastKnownMousePosition();
 }
 
 bool FrameView::shouldSetCursor() const {
   Page* page = frame().page();
   return page && page->visibilityState() != PageVisibilityStateHidden &&
-         page->focusController().isActive() &&
-         page->settings().deviceSupportsMouse();
+         !m_frame->eventHandler().isMousePositionUnknown() &&
+         page->focusController().isActive();
 }
 
 void FrameView::scrollContentsIfNeededRecursive() {
   forAllNonThrottledFrameViews(
       [](FrameView& frameView) { frameView.scrollContentsIfNeeded(); });
 }
 
 void FrameView::invalidateBackgroundAttachmentFixedObjects() {
   for (const auto& layoutObject : m_backgroundAttachmentFixedObjects)
     layoutObject->setShouldDoFullPaintInvalidation();
@@ skipping 1940 matching lines @@
 }
 
 AXObjectCache* FrameView::axObjectCache() const {
   if (frame().document())
     return frame().document()->existingAXObjectCache();
   return nullptr;
 }
 
 void FrameView::setCursor(const Cursor& cursor) {
   Page* page = frame().page();
-  if (!page || !page->settings().deviceSupportsMouse())
+  if (!page || m_frame->eventHandler().isMousePositionUnknown())
     return;
   page->chromeClient().setCursor(cursor, m_frame);
 }
 
 void FrameView::frameRectsChanged() {
   TRACE_EVENT0("blink", "FrameView::frameRectsChanged");
   if (layoutSizeFixedToFrameSize())
     setLayoutSizeInternal(frameRect().size());
 
   setNeedsUpdateViewportIntersection();
@@ skipping 1080 matching lines @@
   DCHECK(m_frame->isMainFrame());
   return m_initialViewportSize.width();
 }
 
 int FrameView::initialViewportHeight() const {
   DCHECK(m_frame->isMainFrame());
   return m_initialViewportSize.height();
 }
 
 }  // namespace blink