Hide media sinks that don't have a name in the cast system tray.

chrome/browser/ui/ash/cast_config_delegate_media_router.cc

 // 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.
 
 #include "chrome/browser/ui/ash/cast_config_delegate_media_router.h"
 
 #include <string>
 #include <vector>
 
 #include "base/macros.h"
@@ skipping 77 matching lines @@
                          GURL(chrome::kChromeUIMediaRouterURL)),
       cast_config_delegate_(cast_config_delegate) {}
 
 CastDeviceCache::~CastDeviceCache() {}
 
 void CastDeviceCache::Init() {
   CHECK(MediaSinksObserver::Init());
 }
 
 void CastDeviceCache::OnSinksReceived(const MediaSinks& sinks) {
-  sinks_ = sinks;
+  sinks_.clear();
+  for (const media_router::MediaSink& sink : sinks) {
+    // The media router adds a MediaSink instance that doesn't have a name. Make
+    // sure to filter that sink out from the UI so it is not rendered, as it
+    // will be a line that only has a icon with no apparent meaning.
+    if (sink.name().empty())
+      continue;
+
+    // Temporarily hide sinks that have a domain. This is to meet cast privacy
+    // requirements. See bug/28691645.
+    if (!sink.domain().empty())
+      continue;
+
+    sinks_.push_back(sink);
+  }
+
   cast_config_delegate_->RequestDeviceRefresh();
 }
 
 void CastDeviceCache::OnRoutesUpdated(
     const MediaRoutes& routes,
     const MediaRouteIds& unused_joinable_route_ids) {
   routes_ = routes;
   cast_config_delegate_->RequestDeviceRefresh();
 }
 
@@ skipping 108 matching lines @@
 
 void CastConfigDelegateMediaRouter::AddObserver(
     ash::CastConfigDelegate::Observer* observer) {
   observer_list_.AddObserver(observer);
 }
 
 void CastConfigDelegateMediaRouter::RemoveObserver(
     ash::CastConfigDelegate::Observer* observer) {
   observer_list_.RemoveObserver(observer);
 }