mac: Don't show "Access Address Book" prompt if Autofill is disabled.

components/autofill/core/browser/personal_data_manager_mac.mm

 // Copyright 2013 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 "components/autofill/core/browser/personal_data_manager.h"
 
 #include <math.h>
 
 #import <AddressBook/AddressBook.h>
 
@@ skipping 345 matching lines @@
   // profiles.
   pref_service_->SetBoolean(prefs::kAutofillUseMacAddressBook, true);
 
   // Request permissions.
   GetAddressBook(pref_service_);
   return true;
 }
 
 bool PersonalDataManager::ShouldShowAccessAddressBookSuggestion(
     AutofillType type) {
+  if (!enabled_pref_->GetValue())
+    return false;
+
   if (HasPromptedForAccessToAddressBook(pref_service_))
     return false;
 
   switch (type.group()) {
     case ADDRESS_BILLING:
     case ADDRESS_HOME:
     case EMAIL:
     case NAME:
     case NAME_BILLING:
     case PHONE_BILLING:
     case PHONE_HOME:
       return true;
     case NO_GROUP:
     case COMPANY:
     case CREDIT_CARD:
     case PASSWORD_FIELD:
     case TRANSACTION:
       return false;
   }
 
   return false;
 }
 
 void PersonalDataManager::BinaryChanging() {
   g_binary_changed = true;
 }
 
 }  // namespace autofill