Add support for child accounts on Android.

chrome/browser/supervised_user/child_accounts/child_account_service.cc

Index: chrome/browser/supervised_user/child_accounts/child_account_service.cc
diff --git a/chrome/browser/supervised_user/child_accounts/child_account_service.cc b/chrome/browser/supervised_user/child_accounts/child_account_service.cc
index c6a4ed29f149f677c111c806c47d343df99e661d..4ec21164548f7dd78fb3efc528842aae0160fbb6 100644
--- a/chrome/browser/supervised_user/child_accounts/child_account_service.cc
+++ b/chrome/browser/supervised_user/child_accounts/child_account_service.cc
@@ -42,6 +42,19 @@ ChildAccountService::ChildAccountService(Profile* profile)
 
 ChildAccountService::~ChildAccountService() {}
 
+void ChildAccountService::SetIsChildAccount(bool is_child_account) {
+  if (profile_->IsChild() == is_child_account)
+    return;
+
+  if (is_child_account) {
+    profile_->GetPrefs()->SetString(prefs::kSupervisedUserId,
+                                    supervised_users::kChildAccountSUID);
+  } else {
+    profile_->GetPrefs()->ClearPref(prefs::kSupervisedUserId);
+  }
+  PropagateChildStatusToUser(is_child_account);
+}
+
 void ChildAccountService::Init() {
   SigninManagerFactory::GetForProfile(profile_)->AddObserver(this);
   SupervisedUserServiceFactory::GetForProfile(profile_)->SetDelegate(this);
@@ -236,19 +249,6 @@ void ChildAccountService::OnFlagsFetched(
   SetIsChildAccount(is_child_account);
 }
 
-void ChildAccountService::SetIsChildAccount(bool is_child_account) {
-  if (profile_->IsChild() == is_child_account)
-    return;
-
-  if (is_child_account) {
-    profile_->GetPrefs()->SetString(prefs::kSupervisedUserId,
-                                    supervised_users::kChildAccountSUID);
-  } else {
-    profile_->GetPrefs()->ClearPref(prefs::kSupervisedUserId);
-  }
-  PropagateChildStatusToUser(is_child_account);
-}
-
 void ChildAccountService::PropagateChildStatusToUser(bool is_child) {
 #if defined(OS_CHROMEOS)
   user_manager::User* user =