Move scoped_cftyperef from base to base/mac, use the new namespace, and name ...

base/mac/scoped_cftyperef.h

Index: base/mac/scoped_cftyperef.h
===================================================================
--- base/mac/scoped_cftyperef.h	(revision 0)
+++ base/mac/scoped_cftyperef.h	(working copy)
@@ -1,35 +1,39 @@
-// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
+// Copyright (c) 2010 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef BASE_SCOPED_CFTYPEREF_H_
-#define BASE_SCOPED_CFTYPEREF_H_
+#ifndef BASE_MAC_SCOPED_CFTYPEREF_H_
+#define BASE_MAC_SCOPED_CFTYPEREF_H_
 #pragma once
 
 #include <CoreFoundation/CoreFoundation.h>
+
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 
-// scoped_cftyperef<> is patterned after scoped_ptr<>, but maintains ownership
+namespace base {
+namespace mac {
+
+// ScopedCFTypeRef<> is patterned after scoped_ptr<>, but maintains ownership
 // of a CoreFoundation object: any object that can be represented as a
 // CFTypeRef.  Style deviations here are solely for compatibility with
 // scoped_ptr<>'s interface, with which everyone is already familiar.
 //
-// When scoped_cftyperef<> takes ownership of an object (in the constructor or
+// When ScopedCFTypeRef<> takes ownership of an object (in the constructor or
 // in reset()), it takes over the caller's existing ownership claim.  The
-// caller must own the object it gives to scoped_cftyperef<>, and relinquishes
-// an ownership claim to that object.  scoped_cftyperef<> does not call
+// caller must own the object it gives to ScopedCFTypeRef<>, and relinquishes
+// an ownership claim to that object.  ScopedCFTypeRef<> does not call
 // CFRetain().
 template<typename CFT>
-class scoped_cftyperef {
+class ScopedCFTypeRef {
  public:
   typedef CFT element_type;
 
-  explicit scoped_cftyperef(CFT object = NULL)
+  explicit ScopedCFTypeRef(CFT object = NULL)
       : object_(object) {
   }
 
-  ~scoped_cftyperef() {
+  ~ScopedCFTypeRef() {
     if (object_)
       CFRelease(object_);
   }
@@ -74,7 +78,10 @@
  private:
   CFT object_;
 
-  DISALLOW_COPY_AND_ASSIGN(scoped_cftyperef);
+  DISALLOW_COPY_AND_ASSIGN(ScopedCFTypeRef);
 };
 
-#endif  // BASE_SCOPED_CFTYPEREF_H_
+}  // namespace mac
+}  // namespace base
+
+#endif  // BASE_MAC_SCOPED_CFTYPEREF_H_