Removing FRE UI for unicorn accounts.

chrome/browser/supervised_user/child_accounts/child_account_service.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/supervised_user/child_accounts/child_account_service.h"
 
 #include "base/callback.h"
 #include "base/command_line.h"
 #include "base/files/file_path.h"
 #include "base/files/file_util.h"
@@ skipping 53 matching lines @@
   -1,
 
   // Don't use initial delay unless the last request was an error.
   false,
 };
 
 ChildAccountService::ChildAccountService(Profile* profile)
     : profile_(profile), active_(false),
       flag_fetch_backoff_(&kBackoffPolicy),
       family_fetch_backoff_(&kBackoffPolicy),
+      account_status_(UNKNOWN),
       weak_ptr_factory_(this) {}
 
 ChildAccountService::~ChildAccountService() {}
 
 void ChildAccountService::SetIsChildAccount(bool is_child_account) {
   PropagateChildStatusToUser(is_child_account);
   if (profile_->IsChild() == is_child_account)
     return;
 
   if (is_child_account) {
@@ skipping 10 matching lines @@
 
   PropagateChildStatusToUser(profile_->IsChild());
 
   // If we're already signed in, fetch the flag again just to be sure.
   // (Previously, the browser might have been closed before we got the flag.
   // This also handles the graduation use case in a basic way.)
   if (SigninManagerFactory::GetForProfile(profile_)->IsAuthenticated())
     StartFetchingServiceFlags();
 }
 
+bool ChildAccountService::IsChildAccountStatusKnown() {
+  return account_status_ != UNKNOWN;
+}
+
 void ChildAccountService::Shutdown() {
   family_fetcher_.reset();
   CancelFetchingServiceFlags();
   SupervisedUserServiceFactory::GetForProfile(profile_)->SetDelegate(NULL);
   DCHECK(!active_);
   SigninManagerFactory::GetForProfile(profile_)->RemoveObserver(this);
 }
 
+void ChildAccountService::AddStatusObserver(
+    ChildAccountStatusObserver* observer) {
+  observer_list_.AddObserver(observer);
+}
+
+void ChildAccountService::RemoveStatusObserver(
+    ChildAccountStatusObserver* observer) {
+  observer_list_.RemoveObserver(observer);
+}
+
 bool ChildAccountService::SetActive(bool active) {
   if (!profile_->IsChild() && !active_)
     return false;
   if (active_ == active)
     return true;
   active_ = active;
 
   if (active_) {
     // In contrast to local SUs, child account SUs must sign in.
     scoped_ptr<base::Value> allow_signin(new base::FundamentalValue(true));
@@ skipping 172 matching lines @@
     flag_fetch_backoff_.InformOfRequest(false);
     ScheduleNextStatusFlagUpdate(flag_fetch_backoff_.GetTimeUntilRelease());
     return;
   }
 
   flag_fetch_backoff_.InformOfRequest(true);
 
   bool is_child_account =
       std::find(flags.begin(), flags.end(),
                 kIsChildAccountServiceFlagName) != flags.end();
+
+  ChildAccountStatus old_status = account_status_;
+  account_status_ = is_child_account ? CHILD : NON_CHILD;

[Marc Treib, 2015/03/04 16:31:48]

"TODO(treib): Add a pref for this, so the info will survive Chrome restarts."

[merkulova, 2015/03/04 19:06:49]

Done.

+  if (old_status != account_status_) {
+    FOR_EACH_OBSERVER(ChildAccountStatusObserver, observer_list_,
+                      OnChildAccountStatusChanged());
+  }
+
   SetIsChildAccount(is_child_account);
 
   ScheduleNextStatusFlagUpdate(
       base::TimeDelta::FromSeconds(kUpdateIntervalSeconds));
 }
 
 void ChildAccountService::ScheduleNextStatusFlagUpdate(base::TimeDelta delay) {
   flag_fetch_timer_.Start(
       FROM_HERE, delay, this, &ChildAccountService::StartFetchingServiceFlags);
 }
@@ skipping 67 matching lines @@
     command_line->AppendSwitch(switches::kEnableSupervisedUserBlacklist);
 
   // Query-based filtering also defaults to enabled.
   bool has_enable_safesites =
       command_line->HasSwitch(switches::kEnableSupervisedUserSafeSites);
   bool has_disable_safesites =
       command_line->HasSwitch(switches::kDisableSupervisedUserSafeSites);
   if (!has_enable_safesites && !has_disable_safesites)
     command_line->AppendSwitch(switches::kEnableSupervisedUserSafeSites);
 }