Revert of "Implement the inert attribute"

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

 /*
  * Copyright (C) 2010 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
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "modules/accessibility/AXMenuListOption.h"
 
 #include "SkMatrix44.h"
 #include "core/dom/AccessibleNode.h"
-#include "core/html/HTMLSelectElement.h"
 #include "modules/accessibility/AXMenuListPopup.h"
 #include "modules/accessibility/AXObjectCacheImpl.h"
 
 namespace blink {
 
 using namespace HTMLNames;
 
 AXMenuListOption::AXMenuListOption(HTMLOptionElement* element,
                                    AXObjectCacheImpl& ax_object_cache)
     : AXMockObject(ax_object_cache), element_(element) {}
@@ skipping 16 matching lines @@
   AccessibilityRole role = AriaRoleToWebCoreRole(aria_role);
   if (role)
     return role;
   return kMenuListOptionRole;
 }
 
 Element* AXMenuListOption::ActionElement() const {
   return element_;
 }
 
-AXObjectImpl* AXMenuListOption::ComputeParent() const {
-  Node* node = GetNode();
-  if (!node)
-    return nullptr;
-  HTMLSelectElement* select = toHTMLOptionElement(node)->OwnerSelectElement();
-  if (!select)
-    return nullptr;
-  AXObjectImpl* select_ax_object = AxObjectCache().GetOrCreate(select);
-  if (select_ax_object->HasChildren()) {
-    const auto& child_objects = select_ax_object->Children();
-    DCHECK(!child_objects.IsEmpty());
-    DCHECK_EQ(child_objects.size(), 1UL);
-    DCHECK(child_objects[0]->IsMenuListPopup());
-    ToAXMenuListPopup(child_objects[0].Get())->UpdateChildrenIfNecessary();
-  } else {
-    select_ax_object->UpdateChildrenIfNecessary();
-  }
-  return parent_.Get();
-}
-
 bool AXMenuListOption::IsEnabled() const {
   // isDisabledFormControl() returns true if the parent <select> element is
   // disabled, which we don't want.
   return element_ && !element_->OwnElementDisabled();
 }
 
 bool AXMenuListOption::IsVisible() const {
   if (!parent_)
     return false;
 
@@ skipping 83 matching lines @@
 
   return text_alternative;
 }
 
 DEFINE_TRACE(AXMenuListOption) {
   visitor->Trace(element_);
   AXMockObject::Trace(visitor);
 }
 
 }  // namespace blink