HTMLSelectElement does not include selected index/indices while saving state

Source/core/html/forms/FormController.cpp

 /*
  * Copyright (C) 2006, 2008, 2009, 2010 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 395 matching lines @@
 {
     RELEASE_ASSERT(m_formControls.contains(control));
     m_formControls.remove(control);
 }
 
 static String formStateSignature()
 {
     // In the legacy version of serialized state, the first item was a name
     // attribute value of a form control. The following string literal should
     // contain some characters which are rarely used for name attribute values.
-    DEFINE_STATIC_LOCAL(String, signature, ("\n\r?% WebKit serialized form state version 8 \n\r=&"));
+    DEFINE_STATIC_LOCAL(String, signature, ("\n\r?% Blink serialized form state version 9 \n\r=&"));
     return signature;
 }
 
 Vector<String> DocumentState::toStateVector()
 {
     OwnPtrWillBeRawPtr<FormKeyGenerator> keyGenerator = FormKeyGenerator::create();
     OwnPtr<SavedFormStateMap> stateMap = adoptPtr(new SavedFormStateMap);
     for (FormElementListHashSet::const_iterator it = m_formControls.begin(); it != m_formControls.end(); ++it) {
         HTMLFormControlElementWithState* control = it->get();
         ASSERT(control->inDocument());
@@ skipping 133 matching lines @@
 {
     m_documentState->addControl(&control);
 }
 
 void FormController::unregisterStatefulFormControl(HTMLFormControlElementWithState& control)
 {
     m_documentState->removeControl(&control);
 }
 
 } // namespace blink