Rename Document::ownerElement to localOwner and fix main frame checks.

third_party/WebKit/Source/core/frame/EventHandlerRegistry.cpp

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "core/frame/EventHandlerRegistry.h"
 
 #include "core/events/EventListenerOptions.h"
 #include "core/frame/LocalDOMWindow.h"
 #include "core/frame/LocalFrame.h"
 #include "core/html/HTMLFrameOwnerElement.h"
@@ skipping 255 matching lines @@
 
 void EventHandlerRegistry::documentDetached(Document& document)
 {
     // Remove all event targets under the detached document.
     for (size_t handlerClassIndex = 0; handlerClassIndex < EventHandlerClassCount; ++handlerClassIndex) {
         EventHandlerClass handlerClass = static_cast<EventHandlerClass>(handlerClassIndex);
         Vector<UntracedMember<EventTarget>> targetsToRemove;
         const EventTargetSet* targets = &m_targets[handlerClass];
         for (const auto& eventTarget : *targets) {
             if (Node* node = eventTarget.key->toNode()) {
-                for (Document* doc = &node->document(); doc; doc = doc->ownerElement() ? &doc->ownerElement()->document() : 0) {
+                for (Document* doc = &node->document(); doc; doc = doc->localOwner() ? &doc->localOwner()->document() : 0) {
                     if (doc == &document) {
                         targetsToRemove.append(eventTarget.key);
                         break;
                     }
                 }
             } else if (eventTarget.key->toLocalDOMWindow()) {
                 // DOMWindows may outlive their documents, so we shouldn't remove their handlers
                 // here.
             } else {
                 ASSERT_NOT_REACHED();
@@ skipping 21 matching lines @@
                 ASSERT(window->frame());
                 ASSERT(window->frame()->host());
                 ASSERT(window->frame()->host() == m_frameHost);
             }
         }
     }
 #endif // ENABLE(ASSERT)
 }
 
 } // namespace blink