Rename AXObject to AXObjectImpl in modules/ and web/

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

 /*
  * Copyright (C) 2008 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 39 matching lines @@
   return new AXListBox(layout_object, ax_object_cache);
 }
 
 AccessibilityRole AXListBox::DetermineAccessibilityRole() {
   if ((aria_role_ = DetermineAriaRoleAttribute()) != kUnknownRole)
     return aria_role_;
 
   return kListBoxRole;
 }
 
-AXObject* AXListBox::ActiveDescendant() {
+AXObjectImpl* AXListBox::ActiveDescendant() {
   if (!isHTMLSelectElement(GetNode()))
     return nullptr;
 
   HTMLSelectElement* select = toHTMLSelectElement(GetNode());
   int active_index = select->ActiveSelectionEndListIndex();
   if (active_index >= 0 && active_index < static_cast<int>(select->length())) {
     HTMLOptionElement* option = select->item(active_index_);
     return AxObjectCache().Get(option);
   }
 
@@ skipping 11 matching lines @@
 
   active_index_ = active_index;
   if (!select->IsFocused())
     return;
 
   AxObjectCache().PostNotification(
       this, AXObjectCacheImpl::kAXActiveDescendantChanged);
 }
 
 }  // namespace blink