AlternativeService - change the expiration time from 1 day to 30 days.

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 492b89b4d104fdafe0ec3b19f7b4f4d6faf45193..0038a8a3836b6d7e1dcc7cea88a24010bd95f0cd 100644
--- a/net/http/http_stream_factory.cc
+++ b/net/http/http_stream_factory.cc
@@ -153,7 +153,7 @@ void HttpStreamFactory::ProcessAlternateProtocol(
   http_server_properties->SetAlternativeService(
       RewriteHost(http_host_port_pair),
       AlternativeService(protocol, "", static_cast<uint16>(port)), probability,
-      base::Time::Now() + base::TimeDelta::FromDays(1));
+      base::Time::Now() + base::TimeDelta::FromDays(30));

[ramant (doing other things), 2015/12/16 00:06:34]

Hi Ryan,
  We are setting 1 day expiration for kAlternateProtocolHeader headers. For
kAlternativeServiceHeader, we are setting expiration based on max age(ma) field
in the header.

  30 days seems reasonable for AlternateProtocolHeaders.

thanks
raman

 }
 
 GURL HttpStreamFactory::ApplyHostMappingRules(const GURL& url,