IndexedDB: Fixed threading bugs with use of AtomicStrings.

Source/modules/indexeddb/IDBCursor.h

Index: Source/modules/indexeddb/IDBCursor.h
diff --git a/Source/modules/indexeddb/IDBCursor.h b/Source/modules/indexeddb/IDBCursor.h
index c414eb065e19f835aa1a1633220fbf1187304ba2..c87c40d378e3e848e3cd507d8327b7da296b1f5c 100644
--- a/Source/modules/indexeddb/IDBCursor.h
+++ b/Source/modules/indexeddb/IDBCursor.h
@@ -52,13 +52,7 @@ class SharedBuffer;
 
 class IDBCursor : public GarbageCollectedFinalized<IDBCursor>, public ScriptWrappable {
 public:
-    static const AtomicString& directionNext();
-    static const AtomicString& directionNextUnique();
-    static const AtomicString& directionPrev();
-    static const AtomicString& directionPrevUnique();
-
     static blink::WebIDBCursorDirection stringToDirection(const String& modeString, ExceptionState&);
-    static const AtomicString& directionToString(unsigned short mode);
 
     static IDBCursor* create(PassOwnPtr<blink::WebIDBCursor>, blink::WebIDBCursorDirection, IDBRequest*, IDBAny* source, IDBTransaction*);
     virtual ~IDBCursor();
@@ -66,7 +60,7 @@ public:
     void contextWillBeDestroyed() { m_backend.clear(); }
 
     // Implement the IDL
-    const String& direction() const { return directionToString(m_direction); }
+    const String& direction() const;
     ScriptValue key(ScriptState*);
     ScriptValue primaryKey(ScriptState*);
     ScriptValue value(ScriptState*);