Update chrome for new prefs location.

chrome/browser/ui/cocoa/profiles/user_manager_mac_unittest.mm

 // 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/ui/cocoa/profiles/user_manager_mac.h"
 
 #include "base/macros.h"
-#include "base/prefs/pref_service.h"
 #include "base/run_loop.h"
 #include "chrome/browser/profiles/profile_window.h"
 #include "chrome/browser/ui/user_manager.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/test/base/browser_with_test_window_test.h"
 #include "chrome/test/base/testing_browser_process.h"
 #include "chrome/test/base/testing_profile_manager.h"
+#include "components/prefs/pref_service.h"
 
 class UserManagerMacTest : public BrowserWithTestWindowTest {
  public:
   UserManagerMacTest()
       : testing_profile_manager_(TestingBrowserProcess::GetGlobal()) {
   }
 
   void SetUp() override {
     BrowserWithTestWindowTest::SetUp();
     ASSERT_TRUE(testing_profile_manager_.SetUp());
@@ skipping 28 matching lines @@
 
   EXPECT_FALSE(UserManager::IsShowing());
   UserManager::Show(base::FilePath(),
                     profiles::USER_MANAGER_NO_TUTORIAL,
                     profiles::USER_MANAGER_SELECT_PROFILE_NO_ACTION);
   EXPECT_TRUE(UserManager::IsShowing());
 
   UserManager::Hide();
   EXPECT_FALSE(UserManager::IsShowing());
 }