[Media Router] Add DialMediaSinkService and DeviceDescriptionService

chrome/browser/media/router/discovery/dial/parsed_dial_device_description.cc

+// Copyright (c) 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.
+
+#include "chrome/browser/media/router/discovery/dial/parsed_dial_device_description.h"
+
+namespace media_router {
+
+ParsedDialDeviceDescription::ParsedDialDeviceDescription() = default;
+
+ParsedDialDeviceDescription::ParsedDialDeviceDescription(
+    const std::string& unique_id,
+    const std::string& friendly_name,
+    const GURL& app_url)
+    : unique_id(unique_id), friendly_name(friendly_name), app_url(app_url) {}
+
+ParsedDialDeviceDescription::ParsedDialDeviceDescription(
+    const ParsedDialDeviceDescription& other) = default;
+ParsedDialDeviceDescription::~ParsedDialDeviceDescription() = default;
+
+ParsedDialDeviceDescription& ParsedDialDeviceDescription::operator=(
+    const ParsedDialDeviceDescription& other) {
+  if (this == &other)
+    return *this;
+
+  this->unique_id = other.unique_id;
+  this->friendly_name = other.friendly_name;
+  this->model_name = other.model_name;
+  this->app_url = other.app_url;
+
+  return *this;
+}
+
+bool ParsedDialDeviceDescription::operator==(
+    const ParsedDialDeviceDescription& other) const {
+  return unique_id == other.unique_id && friendly_name == other.friendly_name &&
+         model_name == other.model_name && app_url == other.app_url;
+}
+
+}  // namespace media_router