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

chrome/browser/extensions/api/networking_private/networking_private_apitest.cc

 // 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 "base/bind.h"
 #include "base/callback.h"
 #include "base/command_line.h"
 #include "base/macros.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/chromeos/login/users/user.h"
@@ skipping 168 matching lines @@
     // uses the ProfileHelper to obtain the userhash crbug/238623.
     const std::string login_user = chromeos::login::CanonicalizeUserID(
         command_line->GetSwitchValueNative(chromeos::switches::kLoginUser));
     const std::string sanitized_user =
         CryptohomeClient::GetStubSanitizedUsername(login_user);
     command_line->AppendSwitchASCII(chromeos::switches::kLoginProfile,
                                     sanitized_user);
   }
 
   void InitializeSanitizedUsername() {
-    chromeos::UserManager* user_manager = chromeos::UserManager::Get();
+    chromeos::UserManager* user_manager = chromeos::GetUserManager();
     chromeos::User* user = user_manager->GetActiveUser();
     CHECK(user);
     std::string userhash;
     DBusThreadManager::Get()->GetCryptohomeClient()->GetSanitizedUsername(
         user->email(),
         base::Bind(&AssignString, &userhash_));
     content::RunAllPendingInMessageLoop();
     CHECK(!userhash_.empty());
   }
 
@@ skipping 415 matching lines @@
 
   TestListener listener(
       "notifyPortalDetectorObservers",
       base::Bind(&NetworkPortalDetectorTestImpl::NotifyObserversForTesting,
                  base::Unretained(detector())));
   EXPECT_TRUE(RunNetworkingSubtest("captivePortalNotification")) << message_;
 }
 #endif  // defined(OS_CHROMEOS)
 
 }  // namespace