IndexedDB: Fixed threading bugs with use of AtomicStrings.

Source/modules/indexeddb/IDBVersionChangeEvent.cpp

 /*
  * Copyright (C) 2011 Google Inc. All rights reserved.
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  * modification, are permitted provided that the following conditions
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  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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 #include "config.h"
 #include "modules/indexeddb/IDBVersionChangeEvent.h"
 
+#include "modules/IndexedDBNames.h"
+
 namespace blink {
 
 
 IDBVersionChangeEventInit::IDBVersionChangeEventInit()
     : oldVersion(0)
 {
 }
 
 IDBVersionChangeEvent::IDBVersionChangeEvent()
     : m_dataLoss(blink::WebIDBDataLossNone)
@@ skipping 25 matching lines @@
 }
 
 unsigned long long IDBVersionChangeEvent::newVersion(bool& isNull) const
 {
     isNull = m_newVersion.isNull();
     return isNull ? 0 : m_newVersion.get();
 }
 
 const AtomicString& IDBVersionChangeEvent::dataLoss() const
 {
-    DEFINE_STATIC_LOCAL(AtomicString, total, ("total", AtomicString::ConstructFromLiteral));
     if (m_dataLoss == blink::WebIDBDataLossTotal)
-        return total;
-    DEFINE_STATIC_LOCAL(AtomicString, none, ("none", AtomicString::ConstructFromLiteral));
-    return none;
+        return IndexedDBNames::total;
+    return IndexedDBNames::none;
 }
 
 const AtomicString& IDBVersionChangeEvent::interfaceName() const
 {
     return EventNames::IDBVersionChangeEvent;
 }
 
 void IDBVersionChangeEvent::trace(Visitor* visitor)
 {
     Event::trace(visitor);
 }
 
 } // namespace blink