Revert of ChromeOS: Per-user time zone: refactor tests first.

chrome/browser/extensions/activity_log/activity_log_enabled_unittest.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/command_line.h"
 #include "base/run_loop.h"
 #include "base/test/scoped_command_line.h"
 #include "chrome/browser/extensions/activity_log/activity_log.h"
 #include "chrome/browser/extensions/api/activity_log_private/activity_log_private_api.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/extensions/test_extension_system.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/test/base/chrome_render_view_host_test_harness.h"
 #include "chrome/test/base/testing_profile.h"
 #include "components/prefs/pref_service.h"
 #include "extensions/browser/uninstall_reason.h"
 #include "extensions/common/extension_builder.h"
 
+#if defined OS_CHROMEOS
+#include "chrome/browser/chromeos/login/users/scoped_test_user_manager.h"
+#include "chrome/browser/chromeos/settings/cros_settings.h"
+#include "chrome/browser/chromeos/settings/device_settings_service.h"
+#endif
+
 namespace extensions {
 
 const char kExtensionID[] = "eplckmlabaanikjjcgnigddmagoglhmp";
 
 class ActivityLogEnabledTest : public ChromeRenderViewHostTestHarness {
  protected:
   void SetUp() override {
     ChromeRenderViewHostTestHarness::SetUp();
+#if defined OS_CHROMEOS
+    test_user_manager_.reset(new chromeos::ScopedTestUserManager());
+#endif
   }
 
   void TearDown() override {
+#if defined OS_CHROMEOS
+    test_user_manager_.reset();
+#endif
     ChromeRenderViewHostTestHarness::TearDown();
   }
+
+#if defined OS_CHROMEOS
+  chromeos::ScopedTestDeviceSettingsService test_device_settings_service_;
+  chromeos::ScopedTestCrosSettings test_cros_settings_;
+  std::unique_ptr<chromeos::ScopedTestUserManager> test_user_manager_;
+#endif
 };
 
 TEST_F(ActivityLogEnabledTest, NoSwitch) {
   std::unique_ptr<TestingProfile> profile(
       static_cast<TestingProfile*>(CreateBrowserContext()));
   EXPECT_FALSE(
       profile->GetPrefs()->GetInteger(prefs::kWatchdogExtensionActive));
 
   ActivityLog* activity_log = ActivityLog::GetInstance(profile.get());
 
@@ skipping 259 matching lines @@
           .SetID(kExtensionID)
           .Build();
   extension_service->AddExtension(extension.get());
 
   EXPECT_EQ(
       1, profile->GetPrefs()->GetInteger(prefs::kWatchdogExtensionActive));
   EXPECT_TRUE(activity_log->is_active());
 }
 
 }  // namespace extensions