ChromeOS: implement per-user time zone preferences.

chrome/test/base/testing_profile.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/test/base/testing_profile.h"
 
 #include <utility>
 
 #include "base/base_paths.h"
 #include "base/command_line.h"
@@ skipping 408 matching lines @@
   }
 }
 
 void TestingProfile::Init() {
   base::ThreadRestrictions::ScopedAllowIO allow_io;
   // If threads have been initialized, we should be on the UI thread.
   DCHECK(!content::BrowserThread::IsThreadInitialized(
              content::BrowserThread::UI) ||
          content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
 
+#if defined(OS_CHROMEOS)
+  if (!chromeos::DeviceSettingsService::IsInitialized())
+    test_device_settings_.reset(new chromeos::ScopedTestDeviceSettingsService);
+
+  if (!chromeos::CrosSettings::IsInitialized())
+    test_cros_settings_.reset(new chromeos::ScopedTestCrosSettings);
+#endif
+
   set_is_guest_profile(guest_session_);
 
   BrowserContext::Initialize(this, profile_path_);
 
   browser_context_dependency_manager_->MarkBrowserContextLive(this);
 
 #if defined(OS_ANDROID)
   // Make sure token service knows its running in tests.
   OAuth2TokenServiceDelegateAndroid::set_is_testing_profile();
 #endif
@@ skipping 660 matching lines @@
   // Note: Owned by |original_profile|.
   return new TestingProfile(path_, delegate_,
 #if BUILDFLAG(ENABLE_EXTENSIONS)
                             extension_policy_,
 #endif
                             std::move(pref_service_), original_profile,
                             guest_session_, supervised_user_id_,
                             std::move(policy_service_), testing_factories_,
                             profile_name_);
 }