InlinedVisitor: Migrate html to use inlined tracing

Source/core/html/forms/FormController.h

 /*
  * Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2010, 2011, 2012 Google 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.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 59 matching lines @@
     m_type = TypeRestore;
     m_values.append(value);
 }
 
 typedef HashMap<AtomicString, OwnPtr<SavedFormState>> SavedFormStateMap;
 
 class DocumentState final : public RefCountedWillBeGarbageCollected<DocumentState> {
     DECLARE_EMPTY_DESTRUCTOR_WILL_BE_REMOVED(DocumentState);
 public:
     static PassRefPtrWillBeRawPtr<DocumentState> create();
-    void trace(Visitor*);
+    DECLARE_TRACE();
 
     void addControl(HTMLFormControlElementWithState*);
     void removeControl(HTMLFormControlElementWithState*);
     Vector<String> toStateVector();
 
 private:
     typedef WillBeHeapListHashSet<RefPtrWillBeMember<HTMLFormControlElementWithState>, 64> FormElementListHashSet;
     FormElementListHashSet m_formControls;
 };
 
 class FormController final : public NoBaseWillBeGarbageCollectedFinalized<FormController> {
     WTF_MAKE_FAST_ALLOCATED_WILL_BE_REMOVED;
 public:
     static PassOwnPtrWillBeRawPtr<FormController> create()
     {
         return adoptPtrWillBeNoop(new FormController);
     }
     ~FormController();
-    void trace(Visitor*);
+    DECLARE_TRACE();
 
     RadioButtonGroupScope& radioButtonGroupScope() { return m_radioButtonGroupScope; }
 
     void registerStatefulFormControl(HTMLFormControlElementWithState&);
     void unregisterStatefulFormControl(HTMLFormControlElementWithState&);
     // This should be callled only by Document::formElementsState().
     DocumentState* formElementsState() const;
     // This should be callled only by Document::setStateForNewFormElements().
     void setStateForNewFormElements(const Vector<String>&);
     void willDeleteForm(HTMLFormElement*);
     void restoreControlStateFor(HTMLFormControlElementWithState&);
     void restoreControlStateIn(HTMLFormElement&);
 
     static Vector<String> getReferencedFilePaths(const Vector<String>& stateVector);
 
 private:
     FormController();
     FormControlState takeStateForFormElement(const HTMLFormControlElementWithState&);
     static void formStatesFromStateVector(const Vector<String>&, SavedFormStateMap&);
 
     RadioButtonGroupScope m_radioButtonGroupScope;
     RefPtrWillBeMember<DocumentState> m_documentState;
     SavedFormStateMap m_savedFormStateMap;
     OwnPtrWillBeMember<FormKeyGenerator> m_formKeyGenerator;
 };
 
 } // namespace blink
 #endif