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

chrome/browser/chromeos/extensions/active_tab_permission_granter_delegate_chromeos_unittest.cc

Index: chrome/browser/chromeos/extensions/active_tab_permission_granter_delegate_chromeos_unittest.cc
diff --git a/chrome/browser/chromeos/extensions/active_tab_permission_granter_delegate_chromeos_unittest.cc b/chrome/browser/chromeos/extensions/active_tab_permission_granter_delegate_chromeos_unittest.cc
index 9cca47521becd7c3dc0389c072f433fd8df79168..869863d4c2bdc7dadfadbf9fcaff656a920ce775 100644
--- a/chrome/browser/chromeos/extensions/active_tab_permission_granter_delegate_chromeos_unittest.cc
+++ b/chrome/browser/chromeos/extensions/active_tab_permission_granter_delegate_chromeos_unittest.cc
@@ -4,6 +4,7 @@
 
 #include "chrome/browser/chromeos/extensions/active_tab_permission_granter_delegate_chromeos.h"
 
+#include <memory>
 #include <string>
 
 #include "base/run_loop.h"
@@ -41,14 +42,16 @@ class ActiveTabPermissionGranterDelegateChromeOSTest
   void TearDown() override;
 
   ActiveTabPermissionGranterDelegateChromeOS delegate_;
-  chromeos::ScopedTestPublicSessionLoginState login_state_;
+  std::unique_ptr<chromeos::ScopedTestPublicSessionLoginState> login_state_;
 };
 
 void ActiveTabPermissionGranterDelegateChromeOSTest::SetUp() {
   ChromeRenderViewHostTestHarness::SetUp();
+  login_state_.reset(new chromeos::ScopedTestPublicSessionLoginState());
 }
 
 void ActiveTabPermissionGranterDelegateChromeOSTest::TearDown() {
+  login_state_.reset();
   permission_helper::ResetPermissionsForTesting();
   ChromeRenderViewHostTestHarness::TearDown();
 }