Add missing calls to ScriptWrappable::init in FontFace, LocalCredential and FederatedCredential.

Source/core/css/FontFace.cpp

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 117 matching lines @@
 FontFace::FontFace()
     : m_status(Unloaded)
 {
     ScriptWrappable::init(this);
 }
 
 FontFace::FontFace(ExecutionContext* context, const AtomicString& family, const Dictionary& descriptors)
     : m_family(family)
     , m_status(Unloaded)
 {
+    ScriptWrappable::init(this);
+
     Document* document = toDocument(context);
     String value;
     if (DictionaryHelper::get(descriptors, "style", value))
         setPropertyFromString(document, value, CSSPropertyFontStyle);
     if (DictionaryHelper::get(descriptors, "weight", value))
         setPropertyFromString(document, value, CSSPropertyFontWeight);
     if (DictionaryHelper::get(descriptors, "stretch", value))
         setPropertyFromString(document, value, CSSPropertyFontStretch);
     if (DictionaryHelper::get(descriptors, "unicodeRange", value))
         setPropertyFromString(document, value, CSSPropertyUnicodeRange);
@@ skipping 440 matching lines @@
     visitor->trace(m_cssFontFace);
     visitor->trace(m_callbacks);
 }
 
 bool FontFace::hadBlankText() const
 {
     return m_cssFontFace->hadBlankText();
 }
 
 } // namespace blink