--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebKit2/WebProcess/Plugins/NPRuntimeUtilities.cpp	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,112 @@
+/*
+ * Copyright (C) 2010 Apple 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
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "NPRuntimeUtilities.h"
+
+namespace WebKit {
+
+NPObject* createNPObject(NPP npp, NPClass* npClass)
+{
+    ASSERT(npClass);
+    
+    NPObject* npObject;
+    if (npClass->allocate)
+        npObject = npClass->allocate(npp, npClass);
+    else {
+        // This should really call NPN_MemAlloc, but we know that it uses malloc
+        // under the hood so it's fine.
+        npObject = static_cast<NPObject*>(malloc(sizeof(NPObject)));
+    }
+
+    npObject->_class = npClass;
+    npObject->referenceCount = 1;
+    
+    return npObject;
+}
+
+void deallocateNPObject(NPObject* npObject)
+{
+    ASSERT(npObject);
+    if (!npObject)
+        return;
+
+    if (npObject->_class->deallocate)
+        npObject->_class->deallocate(npObject);
+    else {
+        // This should really call NPN_MemFree, but we know that it uses free
+        // under the hood so it's fine.
+        free(npObject);
+    }
+}
+
+void retainNPObject(NPObject* npObject)
+{
+    ASSERT(npObject);
+    if (!npObject)
+        return;
+
+    npObject->referenceCount++;
+}
+
+void releaseNPObject(NPObject* npObject)
+{
+    ASSERT(npObject);
+    if (!npObject)
+        return;
+    
+    ASSERT(npObject->referenceCount >= 1);
+    npObject->referenceCount--;
+    if (!npObject->referenceCount)
+        deallocateNPObject(npObject);
+}
+
+void releaseNPVariantValue(NPVariant* variant)
+{
+    ASSERT(variant);
+    
+    switch (variant->type) {
+    case NPVariantType_Void:
+    case NPVariantType_Null:
+    case NPVariantType_Bool:
+    case NPVariantType_Int32:
+    case NPVariantType_Double:
+        // Nothing to do.
+        break;
+        
+    case NPVariantType_String:
+        free(const_cast<NPUTF8*>(variant->value.stringValue.UTF8Characters));
+        variant->value.stringValue.UTF8Characters = 0;
+        variant->value.stringValue.UTF8Length = 0;
+        break;
+    case NPVariantType_Object:
+        releaseNPObject(variant->value.objectValue);
+        variant->value.objectValue = 0;
+        break;
+    }
+
+    variant->type = NPVariantType_Void;
+}
+
+} // namespace WebKit