Move Singleton and related structs to namespace base

content/browser/geofencing/geofencing_service.cc

 // Copyright 2014 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 "content/browser/geofencing/geofencing_service.h"
 
 #include "base/location.h"
 #include "base/memory/singleton.h"
 #include "base/single_thread_task_runner.h"
 #include "base/thread_task_runner_handle.h"
@@ skipping 54 matching lines @@
 }
 
 GeofencingServiceImpl::GeofencingServiceImpl() : next_registration_id_(0) {
 }
 
 GeofencingServiceImpl::~GeofencingServiceImpl() {
 }
 
 GeofencingServiceImpl* GeofencingServiceImpl::GetInstance() {
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
-  return Singleton<GeofencingServiceImpl>::get();
+  return base::Singleton<GeofencingServiceImpl>::get();
 }
 
 bool GeofencingServiceImpl::IsServiceAvailable() {
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
   return EnsureProvider();
 }
 
 int64 GeofencingServiceImpl::RegisterRegion(
     const blink::WebCircularGeofencingRegion& region,
     GeofencingRegistrationDelegate* delegate) {
@@ skipping 106 matching lines @@
   registration_iterator->second.delegate->RegistrationFinished(
       geofencing_registration_id, status);
 
   if (status != GEOFENCING_STATUS_OK) {
     // Registration failed, remove from our book-keeping.
     registrations_.erase(registration_iterator);
   }
 }
 
 }  // namespace content