[Media Router WebUI] Disable search by default.

chrome/browser/resources/media_router/media_router_data.js

Index: chrome/browser/resources/media_router/media_router_data.js
diff --git a/chrome/browser/resources/media_router/media_router_data.js b/chrome/browser/resources/media_router/media_router_data.js
index b33f0b941e100bcf4d16c07cb94232f3e27db272..9f5e3f4438788203dc8ec1306309412ffa065185 100644
--- a/chrome/browser/resources/media_router/media_router_data.js
+++ b/chrome/browser/resources/media_router/media_router_data.js
@@ -66,6 +66,14 @@ media_router.MediaRouterView = {
 };
 
 /**
+ * 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}
  */