--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebKit/mac/Misc/WebNSObjectExtras.h	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,59 @@
+/*
+ * Copyright (C) 2005, 2007 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. 
+ * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
+ *     its contributors may be used to endorse or promote products derived
+ *     from this software without specific prior written permission. 
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE 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 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.
+ */
+
+#import <Foundation/Foundation.h>
+#import <objc/objc-class.h>
+#import <objc/objc.h>
+
+// Use WebCFAutorelease to return an object made by a CoreFoundation
+// "create" or "copy" function as an autoreleased and garbage collected
+// object. CF objects need to be "made collectable" for autorelease to work
+// properly under GC.
+static inline id WebCFAutorelease(CFTypeRef obj)
+{
+    if (obj)
+        CFMakeCollectable(obj);
+    [(id)obj autorelease];
+    return (id)obj;
+}
+
+#if !(defined(OBJC_API_VERSION) && OBJC_API_VERSION > 0)
+
+static inline IMP method_setImplementation(Method m, IMP i)
+{
+    IMP oi = m->method_imp;
+    m->method_imp = i;
+    return oi;
+}
+
+#endif
+
+@interface NSObject (WebNSObjectExtras)
++ (id)_webkit_invokeOnMainThread;
+- (id)_webkit_invokeOnMainThread;
+@end