Move the supervised user error page to a component

components/supervised_user_error_page/supervised_user_error_page.h

+// Copyright 2016 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.
+
+#ifndef COMPONENTS_SUPERVISED_USER_ERROR_PAGE_SUPERVISED_USER_ERROR_PAGE_H_
+#define COMPONENTS_SUPERVISED_USER_ERROR_PAGE_SUPERVISED_USER_ERROR_PAGE_H_
+
+#include <string>
+
+#include "base/strings/string16.h"
+
+namespace supervised_user_error_page {
+
+enum FilteringBehaviorReason {
+  DEFAULT,
+  ASYNC_CHECKER,
+  BLACKLIST,
+  MANUAL,
+  WHITELIST
+};
+
+int GetBlockMessageID(
+    supervised_user_error_page::FilteringBehaviorReason reason,
+    bool is_child_account,
+    bool single_parent);
+
+std::string BuildHtml(bool allow_access_requests,
+                      const std::string& profile_image_url,
+                      const std::string& profile_image_url2,
+                      const base::string16& custodian,
+                      const base::string16& custodian_email,
+                      const base::string16& second_custodian,
+                      const base::string16& second_custodian_email,
+                      bool is_child_account,
+                      FilteringBehaviorReason reason,
+                      const std::string& app_locale);
+
+}  //  namespace supervised_user_error_page
+
+#endif // COMPONENTS_SUPERVISED_USER_ERROR_PAGE_SUPERVISED_USER_ERROR_PAGE_H_