Add a set passphrase dialog for managed user accounts.

chrome/browser/managed_mode/managed_user_service.cc

Index: chrome/browser/managed_mode/managed_user_service.cc
diff --git a/chrome/browser/managed_mode/managed_user_service.cc b/chrome/browser/managed_mode/managed_user_service.cc
index 756c97da8592625d9f2693fd2bf111862cfc8bf3..97db73ca4ade11471c75c3c14eb641c5ce570ecf 100644
--- a/chrome/browser/managed_mode/managed_user_service.cc
+++ b/chrome/browser/managed_mode/managed_user_service.cc
@@ -97,6 +97,14 @@ bool ManagedUserService::ProfileIsManaged() const {
   return profile_->GetPrefs()->GetBoolean(prefs::kProfileIsManaged);
 }
 
+bool ManagedUserService::IsElevated() const {
+  PrefService* pref_service = profile_->GetPrefs();
+  // If there is no passphrase set, the profile is considered to be elevated.
+  if (pref_service->GetString(prefs::kManagedModeLocalPassphrase).empty())
+    return true;
+  return is_elevated_;
+}
+
 // static
 void ManagedUserService::RegisterUserPrefs(PrefServiceSyncable* prefs) {
   prefs->RegisterDictionaryPref(prefs::kManagedModeManualHosts,
@@ -106,6 +114,12 @@ void ManagedUserService::RegisterUserPrefs(PrefServiceSyncable* prefs) {
   prefs->RegisterIntegerPref(prefs::kDefaultManagedModeFilteringBehavior,
                              ManagedModeURLFilter::BLOCK,
                              PrefServiceSyncable::UNSYNCABLE_PREF);
+  prefs->RegisterStringPref(prefs::kManagedModeLocalPassphrase,
+                            "",
+                            PrefServiceSyncable::UNSYNCABLE_PREF);
+  prefs->RegisterStringPref(prefs::kManagedModeLocalSalt,
+                            "",
+                            PrefServiceSyncable::UNSYNCABLE_PREF);
 }
 
 scoped_refptr<const ManagedModeURLFilter>
@@ -307,7 +321,7 @@ void ManagedUserService::SetManualBehaviorForURLs(const std::vector<GURL>& urls,
   UpdateManualURLs();
 }
 
-void ManagedUserService::SetElevatedForTesting(bool is_elevated) {
+void ManagedUserService::SetElevated(bool is_elevated) {
   is_elevated_ = is_elevated;
 }