Revert of Add IsAlternativeServiceBroken(), remove is_broken.

net/http/http_stream_factory_impl.cc

Index: net/http/http_stream_factory_impl.cc
diff --git a/net/http/http_stream_factory_impl.cc b/net/http/http_stream_factory_impl.cc
index 250771c5e1ef764b25f6d6e435664b4eb30e26c8..235122d2e834ae363f77203bc88277c5ad2c96e5 100644
--- a/net/http/http_stream_factory_impl.cc
+++ b/net/http/http_stream_factory_impl.cc
@@ -190,9 +190,7 @@
 
   if (alternate.protocol == UNINITIALIZED_ALTERNATE_PROTOCOL)
     return kNoAlternateProtocol;
-  const AlternativeService alternative_service(alternate.protocol,
-                                               origin.host(), alternate.port);
-  if (http_server_properties.IsAlternativeServiceBroken(alternative_service)) {
+  if (alternate.is_broken) {
     HistogramAlternateProtocolUsage(ALTERNATE_PROTOCOL_USAGE_BROKEN);
     return kNoAlternateProtocol;
   }