Support individual Keychain item deletion

chrome/browser/keychain_mac.cc

 // Copyright (c) 2009 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.
 
 #include "chrome/browser/keychain_mac.h"
 
 OSStatus MacKeychain::ItemCopyAttributesAndData(
     SecKeychainItemRef itemRef, SecKeychainAttributeInfo *info,
     SecItemClass *itemClass, SecKeychainAttributeList **attrList,
     UInt32 *length, void **outData) const {
   return SecKeychainItemCopyAttributesAndData(itemRef, info, itemClass,
                                               attrList, length, outData);
 }
 
 OSStatus MacKeychain::ItemModifyAttributesAndData(
     SecKeychainItemRef itemRef, const SecKeychainAttributeList *attrList,
     UInt32 length, const void *data) const {
   return SecKeychainItemModifyAttributesAndData(itemRef, attrList, length,
                                                 data);
 }
 
 OSStatus MacKeychain::ItemFreeAttributesAndData(
     SecKeychainAttributeList *attrList, void *data) const {
   return SecKeychainItemFreeAttributesAndData(attrList, data);
 }
 
+OSStatus MacKeychain::ItemDelete(SecKeychainItemRef itemRef) const {
+  return SecKeychainItemDelete(itemRef);
+}
+
 OSStatus MacKeychain::SearchCreateFromAttributes(
     CFTypeRef keychainOrArray, SecItemClass itemClass,
     const SecKeychainAttributeList *attrList,
     SecKeychainSearchRef *searchRef) const {
   return SecKeychainSearchCreateFromAttributes(keychainOrArray, itemClass,
                                                attrList, searchRef);
 }
 
 OSStatus MacKeychain::SearchCopyNext(SecKeychainSearchRef searchRef,
                                      SecKeychainItemRef *itemRef) const {
@@ skipping 18 matching lines @@
                                         port, protocol, authenticationType,
                                         passwordLength, passwordData,
                                         itemRef);
 }
 
 void MacKeychain::Free(CFTypeRef ref) const {
   if (ref) {
     CFRelease(ref);
   }
 }