Move scoped_nsobject from base/memory to base/mac.

base/mac/scoped_nsobject.h

Index: base/mac/scoped_nsobject.h
diff --git a/base/memory/scoped_nsobject.h b/base/mac/scoped_nsobject.h
similarity index 96%
copy from base/memory/scoped_nsobject.h
copy to base/mac/scoped_nsobject.h
index a5b6dbf86560672218c1f1ab8b6a217ed4f75909..8d7bd4a27bd37c2844704e8beb2f0ef3bb849469 100644
--- a/base/memory/scoped_nsobject.h
+++ b/base/mac/scoped_nsobject.h
@@ -2,13 +2,15 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef BASE_MEMORY_SCOPED_NSOBJECT_H_
-#define BASE_MEMORY_SCOPED_NSOBJECT_H_
+#ifndef BASE_MAC_SCOPED_NSOBJECT_H_
+#define BASE_MAC_SCOPED_NSOBJECT_H_
 
 #import <Foundation/Foundation.h>
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 
+namespace base {
+
 // scoped_nsobject<> is patterned after scoped_ptr<>, but maintains ownership
 // of an NSObject subclass object.  Style deviations here are solely for
 // compatibility with scoped_ptr<>'s interface, with which everyone is already
@@ -148,4 +150,7 @@ class scoped_nsobject<NSAutoreleasePool> {
   explicit scoped_nsobject(NSAutoreleasePool* object = nil);
   DISALLOW_COPY_AND_ASSIGN(scoped_nsobject);
 };
-#endif  // BASE_MEMORY_SCOPED_NSOBJECT_H_
+
+}  // namespace base
+
+#endif  // BASE_MAC_SCOPED_NSOBJECT_H_