Add UMA entry for intranet SSL warnings

net/base/net_util.h

Index: net/base/net_util.h
diff --git a/net/base/net_util.h b/net/base/net_util.h
index 4d6f9ebbb17fb4f2999de01df21616fbf223b004..839735e5cd5eeb87f91fc21a3a3a4f5927ed192b 100644
--- a/net/base/net_util.h
+++ b/net/base/net_util.h
@@ -111,6 +111,13 @@ NET_EXPORT std::string GetHostAndPort(const GURL& url);
 // if it is the default for the URL's scheme.
 NET_EXPORT_PRIVATE std::string GetHostAndOptionalPort(const GURL& url);
 
+// Returns true if |hostname| contains a non-registerable or non-assignable
+// domain name (eg: a gTLD that has not been assigned by IANA)
+//
+// TODO(rsleevi): http://crbug.com/119212 - Also match internal IP
+// address ranges.
+NET_EXPORT bool IsHostnameNonUnique(const std::string& hostname);
+
 // Convenience struct for when you need a |struct sockaddr|.
 struct SockaddrStorage {
   SockaddrStorage() : addr_len(sizeof(addr_storage)),