Blink: prevent didAssociateFormControls notification while parsing the document.

third_party/WebKit/Source/core/dom/Document.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  *           (C) 2006 Alexey Proskuryakov (ap@webkit.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
@@ skipping 1375 matching lines @@
     using LocaleIdentifierToLocaleMap = HashMap<AtomicString, std::unique_ptr<Locale>>;
     LocaleIdentifierToLocaleMap m_localeCache;
 
     Member<AnimationTimeline> m_timeline;
     Member<CompositorPendingAnimations> m_compositorPendingAnimations;
 
     Member<Document> m_templateDocument;
     Member<Document> m_templateDocumentHost;
 
     Timer<Document> m_didAssociateFormControlsTimer;
-    HeapHashSet<Member<Element>> m_associatedFormControls;
 
     HeapHashSet<Member<SVGUseElement>> m_useElementsNeedingUpdate;
     HeapHashSet<Member<Element>> m_layerUpdateSVGFilterElements;
 
     DOMTimerCoordinator m_timers;
 
     bool m_hasViewportUnits;
 
     ParserSynchronizationPolicy m_parserSyncPolicy;
 
@@ skipping 54 matching lines @@
 DEFINE_TYPE_CASTS(TreeScope, Document, document, true, true);
 
 } // namespace blink
 
 #ifndef NDEBUG
 // Outside the WebCore namespace for ease of invocation from gdb.
 CORE_EXPORT void showLiveDocumentInstances();
 #endif
 
 #endif // Document_h