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

chrome/browser/local_discovery/service_discovery_shared_client.cc

Index: chrome/browser/local_discovery/service_discovery_shared_client.cc
diff --git a/chrome/browser/local_discovery/service_discovery_shared_client.cc b/chrome/browser/local_discovery/service_discovery_shared_client.cc
index dcfb64b93e8322c5737498862f83e6aeaa9fcd0a..8c9455a4cb4ea7b0cfd532f04f817e0f94aa1071 100644
--- a/chrome/browser/local_discovery/service_discovery_shared_client.cc
+++ b/chrome/browser/local_discovery/service_discovery_shared_client.cc
@@ -28,6 +28,8 @@ 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;