First phase of Mac Keychain integration. For the overall plan, see the design...

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::ItemFreeAttributesAndData(
+    SecKeychainAttributeList *attrList, void *data) const {
+  return SecKeychainItemFreeAttributesAndData(attrList, data);
+}
+
+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 {
+  return SecKeychainSearchCopyNext(searchRef, itemRef);
+}
+
+void MacKeychain::Free(CFTypeRef ref) const {
+  if (ref) {
+    CFRelease(ref);
+  }
+}