[Media Router] Parse device description xml in utility process

chrome/utility/media_router/dial_device_description_parser.h

+// Copyright 2017 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 CHROME_UTILITY_MEDIA_ROUTER_DIAL_DEVICE_DESCRIPTION_PARSER_H_
+#define CHROME_UTILITY_MEDIA_ROUTER_DIAL_DEVICE_DESCRIPTION_PARSER_H_
+
+#include <string>
+
+#include "base/macros.h"
+#include "chrome/common/media_router/dial_device_description.h"
+
+namespace media_router {
+
+class DialDeviceDescriptionParser {

[mark a. foltz, 2017/03/18 18:56:57]

Does this need to be a class? There are no longer any data members.

[zhaobin, 2017/03/20 21:25:46]

Done.

+ public:
+  DialDeviceDescriptionParser();
+  ~DialDeviceDescriptionParser();
+
+  // Processes the result of getting device description. Returns true and
+  // populates corresponding fields in |dial_device_description_| if processing
+  // succeeds; otherwise returns false.
+  // |xml|: The device description xml text.
+  // |out|: Parsed device description object.
+  bool Parse(const std::string& xml, media_router::DialDeviceDescription* out);
+
+  // Removes unique identifiers and serial number from the device description
+  // for logging. |xml|: The device description.
+  std::string ScrubXmlForLogging(const std::string& xml);
+
+  DISALLOW_COPY_AND_ASSIGN(DialDeviceDescriptionParser);
+};
+
+}  // namespace media_router
+
+#endif  // CHROME_UTILITY_MEDIA_ROUTER_DIAL_DEVICE_DESCRIPTION_PARSER_H_