IndexedDB: Replace IDL operation overloading with ScriptValue handling

Source/modules/indexeddb/IDBKeyRange.cpp

 /*
  * Copyright (C) 2010 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:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 23 matching lines @@
 #include "modules/indexeddb/IDBKey.h"
 
 namespace WebCore {
 
 PassRefPtr<IDBKeyRange> IDBKeyRange::create(PassRefPtr<IDBKey> prpKey)
 {
     RefPtr<IDBKey> key = prpKey;
     return adoptRef(new IDBKeyRange(key, key, LowerBoundClosed, UpperBoundClosed));
 }
 
+PassRefPtr<IDBKeyRange> IDBKeyRange::fromScriptValue(ScriptExecutionContext* context, const ScriptValue& value, ExceptionState& es)
+{
+    DOMRequestState requestState(context);
+    if (value.isUndefined() || value.isNull())
+        return 0;
+
+    RefPtr<IDBKeyRange> range = scriptValueToIDBKeyRange(&requestState, value);
+    if (range)
+        return range.release();
+
+    RefPtr<IDBKey> key = scriptValueToIDBKey(&requestState, value);
+    if (!key || !key->isValid()) {
+        es.throwDOMException(DataError, IDBDatabase::notValidKeyErrorMessage);
+        return 0;
+    }
+
+    return adoptRef(new IDBKeyRange(key, key, LowerBoundClosed, UpperBoundClosed));
+}
+
 IDBKeyRange::IDBKeyRange(PassRefPtr<IDBKey> lower, PassRefPtr<IDBKey> upper, LowerBoundType lowerType, UpperBoundType upperType)
     : m_lower(lower)
     , m_upper(upper)
     , m_lowerType(lowerType)
     , m_upperType(upperType)
 {
     ScriptWrappable::init(this);
 }
 
 ScriptValue IDBKeyRange::lowerValue(ScriptExecutionContext* context) const
@@ skipping 81 matching lines @@
 {
     if (m_lowerType != LowerBoundClosed || m_upperType != UpperBoundClosed)
         return false;
 
     ASSERT(m_lower);
     ASSERT(m_upper);
     return m_lower->isEqual(m_upper.get());
 }
 
 } // namespace WebCore