[Autofill] Add upstreaming UKM

ios/chrome/browser/autofill/personal_data_manager_factory.cc

 // Copyright 2015 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 "ios/chrome/browser/autofill/personal_data_manager_factory.h"
 
 #include <utility>
 
 #include "base/memory/singleton.h"
 #include "components/autofill/core/browser/personal_data_manager.h"
@@ skipping 32 matching lines @@
 }
 
 PersonalDataManagerFactory::~PersonalDataManagerFactory() {}
 
 std::unique_ptr<KeyedService>
 PersonalDataManagerFactory::BuildServiceInstanceFor(
     web::BrowserState* context) const {
   ios::ChromeBrowserState* chrome_browser_state =
       ios::ChromeBrowserState::FromBrowserState(context);
   std::unique_ptr<PersonalDataManager> service(
-      new PersonalDataManager(GetApplicationContext()->GetApplicationLocale()));
+      new PersonalDataManager(GetApplicationContext()->GetApplicationLocale(),
+                              nullptr /* ukm::UkmService */));

[Mathieu, 2017/03/08 22:33:49]

is there no ukm service on iOS?

   service->Init(
       ios::WebDataServiceFactory::GetAutofillWebDataForBrowserState(
           chrome_browser_state, ServiceAccessType::EXPLICIT_ACCESS),
       chrome_browser_state->GetPrefs(),
       ios::AccountTrackerServiceFactory::GetForBrowserState(
           chrome_browser_state),
       ios::SigninManagerFactory::GetForBrowserState(chrome_browser_state),
       chrome_browser_state->IsOffTheRecord());
   return std::move(service);
 }
 
 }  // namespace autofill