Allow dbus clients to silence logging when a service is unavailable.

net/base/network_change_notifier_linux.cc

Index: net/base/network_change_notifier_linux.cc
diff --git a/net/base/network_change_notifier_linux.cc b/net/base/network_change_notifier_linux.cc
index 99167dc93610247b38ac3c6f33f3b0d3e523c896..cbb53fc6305b81e8c0069c38a995fbf446e913eb 100644
--- a/net/base/network_change_notifier_linux.cc
+++ b/net/base/network_change_notifier_linux.cc
@@ -136,8 +136,8 @@ void NetworkManagerApi::Init() {
   }
 
   dbus::ObjectProxy* proxy =
-      system_bus_->GetObjectProxy(kNetworkManagerServiceName,
-                                  kNetworkManagerPath);
+      system_bus_->GetObjectProxyIgnoreUnknownService(

[satorux1, 2012/02/10 08:12:52]

Please add some comment why you do this. Having a reference to the bug URL would
be nice. crbug.com/...

[adamk, 2012/02/10 17:57:16]

Split out into another patch. Sorry, the lack of comment here comes from
spending all my time in WebKit land.

+          kNetworkManagerServiceName, kNetworkManagerPath);
 
   // Get the initial state asynchronously.
   dbus::MethodCall method_call(DBUS_INTERFACE_PROPERTIES, "Get");