Remove more scrolling code from Sky

sky/engine/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 17 matching lines @@
 #include "sky/engine/core/editing/UndoStack.h"
 #include "sky/engine/core/events/Event.h"
 #include "sky/engine/core/fetch/ResourceFetcher.h"
 #include "sky/engine/core/frame/DOMTimer.h"
 #include "sky/engine/core/frame/FrameConsole.h"
 #include "sky/engine/core/frame/FrameHost.h"
 #include "sky/engine/core/frame/FrameView.h"
 #include "sky/engine/core/frame/LocalDOMWindow.h"
 #include "sky/engine/core/frame/LocalFrame.h"
 #include "sky/engine/core/frame/Settings.h"
-#include "sky/engine/core/page/AutoscrollController.h"
 #include "sky/engine/core/page/ChromeClient.h"
 #include "sky/engine/core/page/FocusController.h"
 #include "sky/engine/core/page/PageLifecycleNotifier.h"
 #include "sky/engine/core/rendering/RenderView.h"
 #include "sky/engine/platform/geometry/FloatRect.h"
 #include "sky/engine/public/platform/WebScreenInfo.h"
 #include "sky/engine/wtf/HashMap.h"
 #include "sky/engine/wtf/PassRefPtr.h"
 #include "sky/engine/wtf/RefCountedLeakCounter.h"
 #include "sky/engine/wtf/StdLibExtras.h"
@@ skipping 10 matching lines @@
         return 1;
     Page* page = frame->page();
     if (!page)
         return 1;
     return page->deviceScaleFactor();
 }
 
 Page::Page(PageClients& pageClients, ServiceProvider& services)
     : SettingsDelegate(Settings::create())
     , m_animator(this)
-    , m_autoscrollController(AutoscrollController::create(*this))
     , m_chromeClient(pageClients.chromeClient)
     , m_dragCaretController(DragCaretController::create())
     , m_focusController(FocusController::create(this))
     , m_undoStack(UndoStack::create())
     , m_mainFrame(0)
     , m_editorClient(pageClients.editorClient)
     , m_spellCheckerClient(pageClients.spellCheckerClient)
     , m_deviceScaleFactor(1)
     , m_timerAlignmentInterval(DOMTimer::visiblePageAlignmentInterval())
     , m_visibilityState(PageVisibilityStateVisible)
@@ skipping 272 matching lines @@
     , editorClient(0)
     , spellCheckerClient(0)
 {
 }
 
 Page::PageClients::~PageClients()
 {
 }
 
 } // namespace blink