Move WebAXObject.cpp to core/ (WIP)

third_party/WebKit/Source/modules/accessibility/AXObjectCacheImpl.cpp

 /*
  * Copyright (C) 2014, Google 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 122 matching lines @@
     return 0;
 
   HTMLImageElement* image_element = area_element->ImageElement();
   if (!image_element)
     return 0;
 
   AXObjectImpl* ax_layout_image = GetOrCreate(image_element);
   if (!ax_layout_image)
     return 0;
 
-  const AXObjectImpl::AXObjectVector& image_children =
+  const AXObjectImpl::AXObjectImplVector& image_children =
       ax_layout_image->Children();
   unsigned count = image_children.size();
   for (unsigned k = 0; k < count; ++k) {
     AXObjectImpl* child = image_children[k];
     if (!child->IsImageMapLink())
       continue;
 
     if (ToAXImageMapLink(child)->AreaElement() == area_element)
       return child;
   }
@@ skipping 1102 matching lines @@
   visitor->Trace(document_);
   visitor->Trace(node_object_mapping_);
 
   visitor->Trace(objects_);
   visitor->Trace(notifications_to_post_);
 
   AXObjectCache::Trace(visitor);
 }
 
 }  // namespace blink