Removed android scrolling fake mouse moves and device_supports_mouse

third_party/WebKit/Source/core/input/EventHandler.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights
  * reserved.
  * Copyright (C) 2006 Alexey Proskuryakov (ap@webkit.org)
  * Copyright (C) 2012 Digia Plc. and/or its subsidiary(-ies)
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
@@ skipping 343 matching lines @@
   updateCursor();
 }
 
 void EventHandler::updateCursor() {
   TRACE_EVENT0("input", "EventHandler::updateCursor");
 
   // We must do a cross-frame hit test because the frame that triggered the
   // cursor update could be occluded by a different frame.
   ASSERT(m_frame == m_frame->localFrameRoot());
 
-  if (m_mouseEventManager->isMousePositionUnknown())
-    return;
-
   FrameView* view = m_frame->view();
   if (!view || !view->shouldSetCursor())
     return;
 
   LayoutViewItem layoutViewItem = view->layoutViewItem();
   if (layoutViewItem.isNull())
     return;
 
   m_frame->document()->updateStyleAndLayout();
 
@@ skipping 1519 matching lines @@
       locationInRootFrame, globalPosition,
       WebPointerProperties::Button::NoButton, eventType, /* clickCount */ 0,
       PlatformEvent::NoModifiers, PlatformMouseEvent::RealOrIndistinguishable,
       TimeTicks::Now(), WebPointerProperties::PointerType::Mouse);
 
   return sendContextMenuEvent(mouseEvent, overrideTargetElement);
 }
 
 void EventHandler::scheduleHoverStateUpdate() {
   // TODO(https://crbug.com/668758): Use a normal BeginFrame update for this.
-  if (!m_hoverTimer.isActive())
+  if (!m_hoverTimer.isActive() &&
+      !m_mouseEventManager->isMousePositionUnknown())
     m_hoverTimer.startOneShot(0, BLINK_FROM_HERE);
 }
 
 void EventHandler::scheduleCursorUpdate() {
   // We only want one timer for the page, rather than each frame having it's own
   // timer competing which eachother (since there's only one mouse cursor).
   ASSERT(m_frame == m_frame->localFrameRoot());
 
   // TODO(https://crbug.com/668758): Use a normal BeginFrame update for this.
   if (!m_cursorUpdateTimer.isActive())
@@ skipping 211 matching lines @@
 }
 
 FrameHost* EventHandler::frameHost() const {
   if (!m_frame->page())
     return nullptr;
 
   return &m_frame->page()->frameHost();
 }
 
 }  // namespace blink