Re-enable WaitForInitialUserActivitySatisfied.

chrome/browser/policy/policy_browsertest.cc

Index: chrome/browser/policy/policy_browsertest.cc
diff --git a/chrome/browser/policy/policy_browsertest.cc b/chrome/browser/policy/policy_browsertest.cc
index cb230b6dbd383a6273726c2f41ae7f4da8cd6fa3..e1b4523115ee61d5a32a51145d0368e347354713 100644
--- a/chrome/browser/policy/policy_browsertest.cc
+++ b/chrome/browser/policy/policy_browsertest.cc
@@ -2965,9 +2965,8 @@ IN_PROC_BROWSER_TEST_F(PolicyTest,
   Mock::VerifyAndClearExpectations(&observer);
 }
 
-// Disabled, see http://crbug.com/315308.
 IN_PROC_BROWSER_TEST_F(PolicyTest,
-                       DISABLED_PRE_WaitForInitialUserActivitySatisfied) {
+                       PRE_WaitForInitialUserActivitySatisfied) {
   // Indicate that initial user activity in this session occurred 2 hours ago.
   g_browser_process->local_state()->SetInt64(
       prefs::kSessionStartTime,
@@ -2978,9 +2977,8 @@ IN_PROC_BROWSER_TEST_F(PolicyTest,
       true);
 }
 
-// Disabled, see http://crbug.com/315308.
 IN_PROC_BROWSER_TEST_F(PolicyTest,
-                       DISABLED_WaitForInitialUserActivitySatisfied) {
+                       WaitForInitialUserActivitySatisfied) {
   content::MockNotificationObserver observer;
   content::NotificationRegistrar registrar;
   registrar.Add(&observer,