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

chrome/browser/extensions/activity_log/activity_log_enabled_unittest.cc

Index: chrome/browser/extensions/activity_log/activity_log_enabled_unittest.cc
diff --git a/chrome/browser/extensions/activity_log/activity_log_enabled_unittest.cc b/chrome/browser/extensions/activity_log/activity_log_enabled_unittest.cc
index 87356ec40a1cfe1fb9f779e794fb60f8c2e16dd1..cd93ab638529a5176d54262252e77e81efc6dd52 100644
--- a/chrome/browser/extensions/activity_log/activity_log_enabled_unittest.cc
+++ b/chrome/browser/extensions/activity_log/activity_log_enabled_unittest.cc
@@ -18,7 +18,6 @@
 #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
@@ -31,22 +30,15 @@ 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
 };