Added accessor for the ukm service to the browser process singleton

chrome/browser/browser_process_impl.cc

 // Copyright (c) 2012 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/browser_process_impl.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 #include <map>
@@ skipping 523 matching lines @@
 metrics::MetricsService* BrowserProcessImpl::metrics_service() {
   DCHECK(CalledOnValidThread());
   return GetMetricsServicesManager()->GetMetricsService();
 }
 
 rappor::RapporServiceImpl* BrowserProcessImpl::rappor_service() {
   DCHECK(CalledOnValidThread());
   return GetMetricsServicesManager()->GetRapporServiceImpl();
 }
 
+ukm::UkmService* BrowserProcessImpl::ukm_service() {
+  DCHECK(CalledOnValidThread());
+  return GetMetricsServicesManager()->GetUkmService();
+}
+
 IOThread* BrowserProcessImpl::io_thread() {
   DCHECK(CalledOnValidThread());
   DCHECK(io_thread_.get());
   return io_thread_.get();
 }
 
 WatchDogThread* BrowserProcessImpl::watchdog_thread() {
   DCHECK(CalledOnValidThread());
   if (!created_watchdog_thread_)
     CreateWatchdogThread();
@@ skipping 853 matching lines @@
 }
 
 void BrowserProcessImpl::OnAutoupdateTimer() {
   if (CanAutorestartForUpdate()) {
     DLOG(WARNING) << "Detected update.  Restarting browser.";
     RestartBackgroundInstance();
   }
 }
 
 #endif  // (defined(OS_WIN) || defined(OS_LINUX)) && !defined(OS_CHROMEOS)