Refactor the code for loading icons into the PageInfoModel.

base/mac_util.h

 // 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_MAC_UTIL_H_
 #define BASE_MAC_UTIL_H_
 #pragma once
 
 #include <Carbon/Carbon.h>
 #include <string>
@@ skipping 151 matching lines @@
 // specified hide flag.
 void AddToLoginItems(bool hide_on_startup);
 
 // Removes the current application from the list Of Login Items.
 void RemoveFromLoginItems();
 
 // Returns true if the current process was automatically launched as a
 // 'Login Item' with 'hide on startup' flag. Used to suppress opening windows.
 bool WasLaunchedAsHiddenLoginItem();
 
+// Retain/release calls for memory management in C++.
+void NSObjectRetain(void* obj);
+void NSObjectRelease(void* obj);
+
 }  // namespace mac_util
 
 #endif  // BASE_MAC_UTIL_H_