ABANDONED Handle multiple AlternateProtocols for each HostPortPair.

net/http/http_stream_factory.cc

Index: net/http/http_stream_factory.cc
diff --git a/net/http/http_stream_factory.cc b/net/http/http_stream_factory.cc
index e86d8f89b071a9216854512694d174aaa85475a2..cdaf94f7d13034ec94fc4b3841eece7956fe552e 100644
--- a/net/http/http_stream_factory.cc
+++ b/net/http/http_stream_factory.cc
@@ -90,16 +90,8 @@ void HttpStreamFactory::ProcessAlternateProtocol(
   if (mapping_rules)
     mapping_rules->RewriteHost(&host_port);
 
-  if (http_server_properties->HasAlternateProtocol(host_port)) {
-    const AlternateProtocolInfo existing_alternate =
-        http_server_properties->GetAlternateProtocol(host_port);
-    // If we think the alternate protocol is broken, don't change it.
-    if (existing_alternate.protocol == ALTERNATE_PROTOCOL_BROKEN)
-      return;
-  }
-
-  http_server_properties->SetAlternateProtocol(host_port, port, protocol,
-                                               probability);
+  http_server_properties->AddAlternateProtocol(
+      host_port, port, protocol, probability);
 }
 
 GURL HttpStreamFactory::ApplyHostMappingRules(const GURL& url,