[Media Router WebUI] Disable search by default.

chrome/browser/resources/media_router/media_router_data.js

 // 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.
 
 // Any strings used here will already be localized. Values such as
 // CastMode.type or IDs will be defined elsewhere and determined later.
 
 cr.exportPath('media_router');
 
 /**
@@ skipping 48 matching lines @@
  */
 media_router.MediaRouterView = {
   CAST_MODE_LIST: 'cast-mode-list',
   FILTER: 'filter',
   ISSUE: 'issue',
   ROUTE_DETAILS: 'route-details',
   SINK_LIST: 'sink-list',
 };
 
 /**
+ * The minimum number of sinks to have to enable the search input strictly for
+ * filtering (i.e. the Media Router doesn't support search so the search input
+ * only filters existing sinks).
+ * @const {number}
+ */
+media_router.MINIMUM_SINKS_FOR_SEARCH = 20;
+
+/**
  * This corresponds to the C++ MediaSink IconType.
  * @enum {number}
  */
 media_router.SinkIconType = {
   CAST: 0,
   CAST_AUDIO: 1,
   CAST_AUDIO_GROUP: 2,
   GENERIC: 3,
   HANGOUT: 4,
 };
@@ skipping 170 matching lines @@
 
   return {
     AUTO_CAST_MODE: AUTO_CAST_MODE,
     CastMode: CastMode,
     Issue: Issue,
     Route: Route,
     Sink: Sink,
     TabInfo: TabInfo,
   };
 });