Add support for child accounts on Android.

chrome/browser/supervised_user/child_accounts/child_account_service_android.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_android.h"
+
+#include "chrome/browser/profiles/profile_manager.h"
+#include "chrome/browser/supervised_user/child_accounts/child_account_service.h"
+#include "chrome/browser/supervised_user/child_accounts/child_account_service_factory.h"
+#include "jni/ChildAccountService_jni.h"
+
+void OnChildAccountSigninComplete(JNIEnv* env, jobject obj) {
+  VLOG(1) << "OnChildAccountSigninComplete";
+
+  Profile* profile = ProfileManager::GetLastUsedProfile();
+  ChildAccountServiceFactory::GetForProfile(profile)->SetIsChildAccount(true);
+}
+
+bool RegisterChildAccountService(JNIEnv* env) {
+  return RegisterNativesImpl(env);
+}