Switch AutoscrollController to use animation system instead of timer

Source/core/page/Page.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 Apple Inc. All Rights Reserved.
  * Copyright (C) 2008 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 78 matching lines @@
 {
     if (!frame)
         return 1;
     Page* page = frame->page();
     if (!page)
         return 1;
     return page->deviceScaleFactor();
 }
 
 Page::Page(PageClients& pageClients)
-    : m_autoscrollController(AutoscrollController::create())
+    : m_autoscrollController(AutoscrollController::create(*this))
     , m_chrome(Chrome::create(this, pageClients.chromeClient))
     , m_dragCaretController(DragCaretController::create())
     , m_dragController(DragController::create(this, pageClients.dragClient))
     , m_focusController(FocusController::create(this))
     , m_contextMenuController(ContextMenuController::create(this, pageClients.contextMenuClient))
     , m_inspectorController(InspectorController::create(this, pageClients.inspectorClient))
     , m_pointerLockController(PointerLockController::create(this))
     , m_settings(Settings::create(this))
     , m_progress(ProgressTracker::create())
     , m_backForwardClient(pageClients.backForwardClient)
@@ skipping 48 matching lines @@
 #ifndef NDEBUG
     pageCounter.decrement();
 #endif
 }
 
 ViewportDescription Page::viewportDescription() const
 {
     return mainFrame() && mainFrame()->document() ? mainFrame()->document()->viewportDescription() : ViewportDescription();
 }
 
-bool Page::autoscrollInProgress() const
-{
-    return m_autoscrollController->autoscrollInProgress();
-}
-
-bool Page::autoscrollInProgress(const RenderBox* renderer) const
-{
-    return m_autoscrollController->autoscrollInProgress(renderer);
-}
-
-bool Page::panScrollInProgress() const
-{
-    return m_autoscrollController->panScrollInProgress();
-}
-
-void Page::startAutoscrollForSelection(RenderObject* renderer)
-{
-    return m_autoscrollController->startAutoscrollForSelection(renderer);
-}
-
-void Page::stopAutoscrollIfNeeded(RenderObject* renderer)
-{
-    m_autoscrollController->stopAutoscrollIfNeeded(renderer);
-}
-
-
-void Page::stopAutoscrollTimer()
-{
-    m_autoscrollController->stopAutoscrollTimer();
-}
-
-void Page::updateAutoscrollRenderer()
-{
-    m_autoscrollController->updateAutoscrollRenderer();
-}
-
-void Page::updateDragAndDrop(Node* dropTargetNode, const IntPoint& eventPosition, double eventTime)
-{
-    m_autoscrollController->updateDragAndDrop(dropTargetNode, eventPosition, eventTime);
-}
-
-#if OS(WIN)
-void Page::handleMouseReleaseForPanScrolling(Frame* frame, const PlatformMouseEvent& point)
-{
-    m_autoscrollController->handleMouseReleaseForPanScrolling(frame, point);
-}
-
-void Page::startPanScrolling(RenderBox* renderer, const IntPoint& point)
-{
-    m_autoscrollController->startPanScrolling(renderer, point);
-}
-#endif
-
-
 ScrollingCoordinator* Page::scrollingCoordinator()
 {
     if (!m_scrollingCoordinator && m_settings->scrollingCoordinatorEnabled())
         m_scrollingCoordinator = ScrollingCoordinator::create(this);
 
     return m_scrollingCoordinator.get();
 }
 
 String Page::mainThreadScrollingReasonsAsText()
 {
@@ skipping 385 matching lines @@
     , inspectorClient(0)
     , backForwardClient(0)
 {
 }
 
 Page::PageClients::~PageClients()
 {
 }
 
 } // namespace WebCore