Replace chromeos::UserManager::Get() with chromeos::GetUserManager().

chrome/browser/metrics/chromeos_metrics_provider.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 "chrome/browser/metrics/chromeos_metrics_provider.h"
 
 #include "base/prefs/pref_registry_simple.h"
 #include "base/prefs/pref_service.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_util.h"
@@ skipping 113 matching lines @@
   // Wake up metrics logs sending if necessary now that new
   // log data is available.
   g_browser_process->metrics_service()->OnApplicationNotIdle();
 }
 
 void ChromeOSMetricsProvider::OnDidCreateMetricsLog() {
   registered_user_count_at_log_initialization_ = false;
   if (chromeos::UserManager::IsInitialized()) {
     registered_user_count_at_log_initialization_ = true;
     user_count_at_log_initialization_ =
-        chromeos::UserManager::Get()->GetLoggedInUsers().size();
+        chromeos::GetUserManager()->GetLoggedInUsers().size();
   }
 }
 
 void ChromeOSMetricsProvider::InitTaskGetHardwareClass(
     const base::Closure& callback) {
   // Run the (potentially expensive) task on the FILE thread to avoid blocking
   // the UI thread.
   content::BrowserThread::PostTaskAndReply(
       content::BrowserThread::FILE,
       FROM_HERE,
@@ skipping 118 matching lines @@
 
     paired_device->set_vendor_id(device->GetVendorID());
     paired_device->set_product_id(device->GetProductID());
     paired_device->set_device_id(device->GetDeviceID());
   }
 }
 
 void ChromeOSMetricsProvider::UpdateMultiProfileUserCount(
     metrics::SystemProfileProto* system_profile_proto) {
   if (chromeos::UserManager::IsInitialized()) {
-    size_t user_count = chromeos::UserManager::Get()->GetLoggedInUsers().size();
+    size_t user_count = chromeos::GetUserManager()->GetLoggedInUsers().size();
 
     // We invalidate the user count if it changed while the log was open.
     if (registered_user_count_at_log_initialization_ &&
         user_count != user_count_at_log_initialization_) {
       user_count = 0;
     }
 
     system_profile_proto->set_multi_profile_user_count(user_count);
   }
 }
 
 void ChromeOSMetricsProvider::SetBluetoothAdapter(
     scoped_refptr<device::BluetoothAdapter> adapter) {
   adapter_ = adapter;
 }