Upstream more leaf files in ios/web/web_state

ios/web/web_state/js/credential_util.h

+// Copyright 2015 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 IOS_WEB_WEB_STATE_JS_CREDENTIAL_UTIL_H_
+#define IOS_WEB_WEB_STATE_JS_CREDENTIAL_UTIL_H_
+
+namespace base {
+class DictionaryValue;
+}  // namespace base
+
+namespace web {
+
+struct Credential;
+
+// Populates |credential| from |value|, returning true if successful and false
+// otherwise. |value| must contain the following string->string key/value
+// pairs:
+//
+//     "type": one of "LocalCredential" of "FederatedCredential"
+//     "id": a string (possibly empty)
+//
+// The following pairs are optional:
+//
+//     "name": a string (possibly empty)
+//     "avatarURL": a valid URL as a string
+//
+// If "type" is "LocalCredential", then |value| must contain
+//
+//     "password" a string (possibly empty)
+//
+// If "type" is "FederatedCredential", then |value| must contain
+//
+//     "federation": a valid URL as a string
+//
+// If passed a |value| that doesn't meet these restrictions, |credential| will
+// not be modified and false will be returned. |credential| must not be null.
+bool DictionaryValueToCredential(const base::DictionaryValue& value,
+                                 Credential* credential);
+
+// Serializes |credential| to |value|.
+void CredentialToDictionaryValue(const Credential& credential,
+                                 base::DictionaryValue* value);
+
+}  // namespace web
+
+#endif  // IOS_WEB_WEB_STATE_JS_CREDENTIAL_UTIL_H_