Browser tests for DevToolsBridgeClient.

chrome/browser/devtools/device/webrtc/devtools_bridge_client.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/devtools/device/webrtc/devtools_bridge_client.h"
 
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/local_discovery/gcd_api_flow.h"
 #include "chrome/browser/signin/profile_identity_provider.h"
 #include "chrome/common/url_constants.h"
@@ skipping 236 matching lines @@
   for (const auto& instance : instances) {
     BrowserInfo browser;
     browser.type = BrowserInfo::kTypeChrome;
     browser.display_name = instance.display_name;
     browser.socket_name = kDeviceIdPrefix + instance.id;
     browsers.push_back(browser);
   }
   browsers_.swap(browsers);
 
   browser_list_request_.reset();
+
+  OnBrowserListUpdated();
 }
 
 void DevToolsBridgeClient::OnDevToolsBridgeInstancesRequestFailed() {
   // We keep the list of remote browsers even if the request failed.
   browser_list_request_.reset();
 }