Disable frame navigations during DocumentLoader detach in FrameLoader::startLoad

third_party/WebKit/Source/core/html/HTMLAnchorElement.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Simon Hausmann <hausmann@kde.org>
  * Copyright (C) 2003, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserved.
  *           (C) 2006 Graham Dennis (graham.dennis@gmail.com)
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
@@ skipping 344 matching lines @@
     } else {
         request.setRequestContext(WebURLRequest::RequestContextHyperlink);
         FrameLoadRequest frameRequest(&document(), request, getAttribute(targetAttr));
         frameRequest.setTriggeringEvent(event);
         if (hasRel(RelationNoReferrer)) {
             frameRequest.setShouldSendReferrer(NeverSendReferrer);
             frameRequest.setShouldSetOpener(NeverSetOpener);
         }
         if (hasRel(RelationNoOpener))
             frameRequest.setShouldSetOpener(NeverSetOpener);
+        // TODO(japhet): Link clicks can be emulated via JS without a user gesture.
+        // Why doesn't this go through NavigationScheduler?
         frame->loader().load(frameRequest);
     }
 }
 
 bool isEnterKeyKeydownEvent(Event* event)
 {
     return event->type() == EventTypeNames::keydown && event->isKeyboardEvent() && toKeyboardEvent(event)->keyIdentifier() == "Enter" && !toKeyboardEvent(event)->repeat();
 }
 
 bool isLinkClick(Event* event)
@@ skipping 12 matching lines @@
 }
 
 Node::InsertionNotificationRequest HTMLAnchorElement::insertedInto(ContainerNode* insertionPoint)
 {
     InsertionNotificationRequest request = HTMLElement::insertedInto(insertionPoint);
     logAddElementIfIsolatedWorldAndInDocument("a", hrefAttr);
     return request;
 }
 
 } // namespace blink