Replace various ScrollableArea scroll methods with setScrollPosition

Source/modules/accessibility/AXObject.cpp

 /*
  * Copyright (C) 2008, 2009, 2011 Apple Inc. All rights reserved.
  *
  * 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.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 1069 matching lines @@
 
     return IntPoint(area->maximumScrollPosition().x(), area->maximumScrollPosition().y());
 }
 
 void AXObject::setScrollOffset(const IntPoint& offset) const
 {
     ScrollableArea* area = getScrollableAreaIfScrollable();
     if (!area)
         return;
 
-    area->setScrollPosition(DoublePoint(offset.x(), offset.y()));
+    // TODO(bokan): This should potentially be a UserScroll.
+    area->setScrollPosition(DoublePoint(offset.x(), offset.y()), ProgrammaticScroll);
 }
 
 //
 // Modify or take an action on an object.
 //
 
 bool AXObject::press() const
 {
     Element* actionElem = actionElement();
     if (!actionElem)
@@ skipping 371 matching lines @@
 }
 
 const AtomicString& AXObject::internalRoleName(AccessibilityRole role)
 {
     static const Vector<AtomicString>* internalRoleNameVector = createInternalRoleNameVector();
 
     return internalRoleNameVector->at(role);
 }
 
 } // namespace blink