Remove ChromeClient cruft

Source/core/page/AutoscrollController.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
  *    notice, this list of conditions and the following disclaimer.
@@ skipping 139 matching lines @@
         return;
     }
 
     RenderBox* scrollable = RenderBox::findAutoscrollable(dropTargetNode->renderer());
     if (!scrollable) {
         stopAutoscrollTimer();
         return;
     }
 
     Page* page = m_frame->page();
-    if (!page || !page->chrome()->client()->shouldAutoscrollForDragAndDrop(scrollable)) {
+    if (!page) {
         stopAutoscrollTimer();
         return;
     }
 
     IntSize offset = scrollable->calculateAutoscrollDirection(eventPosition);
     if (offset.isZero()) {
         stopAutoscrollTimer();
         return;
     }
 
@@ skipping 148 matching lines @@
     } else if (east)
         view->setCursor(eastPanningCursor());
     else if (west)
         view->setCursor(westPanningCursor());
     else
         view->setCursor(middlePanningCursor());
 }
 #endif
 
 } // namespace WebCore