[Media Router] Custom Controls 4 - Implement details view WebUI

chrome/browser/resources/media_router/elements/route_controls/route_controls_interface.js

Index: chrome/browser/resources/media_router/elements/route_controls/route_controls_interface.js
diff --git a/chrome/browser/resources/media_router/elements/route_controls/route_controls_interface.js b/chrome/browser/resources/media_router/elements/route_controls/route_controls_interface.js
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+// 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.
+
+/**
+ * Interface for the Polymer element that shows media controls for a route that
+ * is currently cast to a device.
+ * @record
+ */
+function RouteControlsInterface() {}
+
+/**
+ * @type {!media_router.RouteStatus}
+ */
+RouteControlsInterface.prototype.routeStatus;
+
+/**
+ * Resets the route controls. Called when the route details view is closed.
+ */
+RouteControlsInterface.prototype.reset = function() {};
+
+/**
+ * Called when the route is updated. Updates the description shown if it has
+ * not been provided by status updates.
+ * @param {!media_router.Route} route
+ */
+RouteControlsInterface.prototype.onRouteUpdated = function(route) {};