Supervised users: Re-check ManagementPolicy when ProfileIsSupervised changes.

chrome/test/base/testing_profile.cc

Index: chrome/test/base/testing_profile.cc
diff --git a/chrome/test/base/testing_profile.cc b/chrome/test/base/testing_profile.cc
index 12ecbe99e8f953e20b415a299160ee79500a9a04..6e99b1c336dfb4e0f07e31bd7fa68072591459f6 100644
--- a/chrome/test/base/testing_profile.cc
+++ b/chrome/test/base/testing_profile.cc
@@ -382,7 +382,6 @@ TestingProfile::TestingProfile(
       force_incognito_(false),
       original_profile_(parent),
       guest_session_(guest_session),
-      supervised_user_id_(supervised_user_id),
       last_session_exited_cleanly_(true),
 #if defined(ENABLE_EXTENSIONS)
       extension_special_storage_policy_(extension_policy),
@@ -420,6 +419,8 @@ TestingProfile::TestingProfile(
   } else {
     FinishInit();
   }
+
+  SetSupervisedUserId(supervised_user_id);
 }
 
 void TestingProfile::CreateTempProfileDir() {
@@ -766,6 +767,14 @@ Profile* TestingProfile::GetOriginalProfile() {
   return this;
 }
 
+void TestingProfile::SetSupervisedUserId(const std::string& id) {
+  supervised_user_id_ = id;
+  if (!id.empty())
+    GetPrefs()->SetString(prefs::kSupervisedUserId, id);
+  else
+    GetPrefs()->ClearPref(prefs::kSupervisedUserId);
+}
+
 bool TestingProfile::IsSupervised() {
   return !supervised_user_id_.empty();
 }