Add media router common classes and unittests.

chrome/browser/media/router/media_route.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/media/router/media_route.h"
+
+#include "base/logging.h"
+#include "chrome/browser/media/router/media_controller.h"
+#include "chrome/browser/media/router/media_source.h"
+
+namespace media_router {
+
+const RouteRequestId kInvalidRouteRequestId = -1;
+
+MediaRoute::MediaRoute(const MediaRouteId& media_route_id,
+                       const MediaSource& media_source,
+                       const MediaSinkId& sink_id,
+                       const std::string& description,
+                       bool is_local)
+    : media_route_id_(media_route_id),
+      media_source_(media_source),
+      sink_id_(sink_id),
+      description_(description),
+      is_local_(is_local),
+      state_(MEDIA_ROUTE_STATE_NEW) {
+}
+
+MediaRoute::~MediaRoute() {
+}
+
+bool MediaRoute::operator==(const MediaRoute& other) const {
+  return media_route_id_ == other.media_route_id_ &&
+         media_source_ == other.media_source_ &&
+         sink_id_ == sink_id_ &&
+         description_ == other.description_ &&
+         is_local_ == other.is_local_ &&
+         state_ == other.state_;
+}
+
+bool MediaRoute::operator!=(const MediaRoute& other) const {
+  return !(*this == other);
+}
+
+// static
+scoped_ptr<MediaRouteResponse> MediaRouteResponse::Success(
+    const RouteRequestId& request_id, const MediaRoute& route) {
+  return make_scoped_ptr(new MediaRouteResponse(request_id, route));
+}
+
+// static
+scoped_ptr<MediaRouteResponse> MediaRouteResponse::Error(
+    const RouteRequestId& request_id, const std::string& error) {
+  return make_scoped_ptr(new MediaRouteResponse(request_id, error));
+}
+
+MediaRouteResponse::~MediaRouteResponse() {
+}
+
+MediaRouteResponse::MediaRouteResponse(
+    const RouteRequestId& request_id, const MediaRoute& route)
+    : request_id_(request_id), route_(new MediaRoute(route)) {
+}
+
+MediaRouteResponse::MediaRouteResponse(
+    const RouteRequestId& request_id, const std::string& error)
+    : request_id_(request_id), error_(error) {
+}
+
+MediaRouteResponse::MediaRouteResponse(const MediaRouteResponse& other)
+    : request_id_(other.request_id_), error_(other.error_) {
+  if (other.route_.get())
+    route_.reset(new MediaRoute(*other.route_));
+}
+
+}  // namespace media_router