rAc: make requestAutocomplete() return a promise.

Source/core/html/HTMLFormElement.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserved.
  *
  * 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
  * version 2 of the License, or (at your option) any later version.
@@ skipping 11 matching lines @@
  */
 
 #ifndef HTMLFormElement_h
 #define HTMLFormElement_h
 
 #include "core/html/HTMLElement.h"
 #include "core/html/HTMLFormControlElement.h"
 #include "core/html/forms/RadioButtonGroupScope.h"
 #include "core/loader/FormSubmission.h"
 #include "wtf/OwnPtr.h"
+#include "wtf/RefPtr.h"
 #include "wtf/WeakPtr.h"
 
 namespace WTF{
 class TextEncoding;
 }
 
 namespace WebCore {
 
+class AutocompleteRequest;
 class Event;
 class FormAssociatedElement;
 class FormData;
 class HTMLFormControlElement;
 class HTMLImageElement;
 class HTMLInputElement;
+class ScriptPromise;
 
 class HTMLFormElement FINAL : public HTMLElement {
 public:
     static PassRefPtr<HTMLFormElement> create(Document&);
     virtual ~HTMLFormElement();
 
     PassRefPtr<HTMLCollection> elements();
     void getNamedElements(const AtomicString&, Vector<RefPtr<Element> >&);
 
     unsigned length() const;
@@ skipping 38 matching lines @@
 
     bool checkValidity();
 
     enum AutocompleteResult {
         AutocompleteResultSuccess,
         AutocompleteResultErrorDisabled,
         AutocompleteResultErrorCancel,
         AutocompleteResultErrorInvalid,
     };
 
-    void requestAutocomplete(const Dictionary&);
+    ScriptPromise requestAutocomplete(const Dictionary&);
     void finishRequestAutocomplete(AutocompleteResult);
 
     DEFINE_ATTRIBUTE_EVENT_LISTENER(autocomplete);
     DEFINE_ATTRIBUTE_EVENT_LISTENER(autocompleteerror);
 
     RadioButtonGroupScope& radioButtonGroupScope() { return m_radioButtonGroupScope; }
 
     const Vector<FormAssociatedElement*>& associatedElements() const;
     const Vector<HTMLImageElement*>& imageElements();
 
@@ skipping 53 matching lines @@
     bool m_imageElementsAreDirty;
     bool m_hasElementsAssociatedByParser;
     bool m_didFinishParsingChildren;
 
     bool m_wasUserSubmitted;
 
     bool m_isInResetFunction;
 
     bool m_wasDemoted;
 
+    void doFinishRequestAutocomplete(AutocompleteResult, PassOwnPtr<AutocompleteRequest>);
     void requestAutocompleteTimerFired(Timer<HTMLFormElement>*);
 
-    WillBePersistentHeapVector<RefPtrWillBeMember<Event> > m_pendingAutocompleteEvents;
+    OwnPtr<AutocompleteRequest> m_pendingAutocompleteRequest;
+    Vector<OwnPtr<AutocompleteRequest> > m_finishedAutocompleteRequests;
     Timer<HTMLFormElement> m_requestAutocompleteTimer;
 };
 
 } // namespace WebCore
 
 #endif // HTMLFormElement_h