Move authorization_util files into base/mac.

chrome/browser/mac/scoped_authorizationref.h

-// Copyright (c) 2011 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 CHROME_BROWSER_MAC_SCOPED_AUTHORIZATIONREF_H_
-#define CHROME_BROWSER_MAC_SCOPED_AUTHORIZATIONREF_H_
-#pragma once
-
-#include <Security/Authorization.h>
-
-#include "base/basictypes.h"
-#include "base/compiler_specific.h"
-
-// ScopedAuthorizationRef maintains ownership of an AuthorizationRef.  It is
-// patterned after the scoped_ptr interface.
-
-class ScopedAuthorizationRef {
- public:
-  explicit ScopedAuthorizationRef(AuthorizationRef authorization = NULL)
-      : authorization_(authorization) {
-  }
-
-  ~ScopedAuthorizationRef() {
-    if (authorization_) {
-      AuthorizationFree(authorization_, kAuthorizationFlagDestroyRights);
-    }
-  }
-
-  void reset(AuthorizationRef authorization = NULL) {
-    if (authorization_ != authorization) {
-      if (authorization_) {
-        AuthorizationFree(authorization_, kAuthorizationFlagDestroyRights);
-      }
-      authorization_ = authorization;
-    }
-  }
-
-  bool operator==(AuthorizationRef that) const {
-    return authorization_ == that;
-  }
-
-  bool operator!=(AuthorizationRef that) const {
-    return authorization_ != that;
-  }
-
-  operator AuthorizationRef() const {
-    return authorization_;
-  }
-
-  AuthorizationRef* operator&() {
-    return &authorization_;
-  }
-
-  AuthorizationRef get() const {
-    return authorization_;
-  }
-
-  void swap(ScopedAuthorizationRef& that) {
-    AuthorizationRef temp = that.authorization_;
-    that.authorization_ = authorization_;
-    authorization_ = temp;
-  }
-
-  // ScopedAuthorizationRef::release() is like scoped_ptr<>::release.  It is
-  // NOT a wrapper for AuthorizationFree().  To force a
-  // ScopedAuthorizationRef object to call AuthorizationFree(), use
-  // ScopedAuthorizationRef::reset().
-  AuthorizationRef release() WARN_UNUSED_RESULT {
-    AuthorizationRef temp = authorization_;
-    authorization_ = NULL;
-    return temp;
-  }
-
- private:
-  AuthorizationRef authorization_;
-
-  DISALLOW_COPY_AND_ASSIGN(ScopedAuthorizationRef);
-};
-
-#endif  // CHROME_BROWSER_MAC_SCOPED_AUTHORIZATIONREF_H_