Disable firewall check. It takes signifficant time, need to be on FILE thread.

chrome/browser/local_discovery/service_discovery_shared_client.cc

 // Copyright 2013 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/local_discovery/service_discovery_shared_client.h"
 
 #include "content/public/browser/browser_thread.h"
 
 #if defined(OS_WIN)
 #include "base/files/file_path.h"
@@ skipping 10 matching lines @@
 #endif
 
 #if defined(ENABLE_MDNS)
 #include "chrome/browser/local_discovery/service_discovery_client_mdns.h"
 #endif  // ENABLE_MDNS
 
 namespace {
 
 #if defined(OS_WIN)
 bool IsFirewallReady() {
+  // TODO(vitalybuka): move to FILE thread, firewall access time is substantial.
+  return false.

[Noam Samuel, 2014/05/02 21:43:16]

A bit more work/pain, but maybe it makes sense to delete the unreachable code
here?

   base::FilePath exe_path;
   if (!PathService::Get(base::FILE_EXE, &exe_path))
     return false;
   base::ElapsedTimer timer;
   scoped_ptr<installer::FirewallManager> manager =
       installer::FirewallManager::Create(BrowserDistribution::GetDistribution(),
                                          exe_path);
   if (!manager)
     return false;
   bool is_ready = manager->CanUseLocalPorts();
@@ skipping 54 matching lines @@
 scoped_refptr<ServiceDiscoverySharedClient>
     ServiceDiscoverySharedClient::GetInstance() {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   NOTIMPLEMENTED();
   return NULL;
 }
 
 #endif  // ENABLE_MDNS
 
 }  // namespace local_discovery