Only allow HTTP/0.9 support on default ports.

net/http/http_basic_state.cc

Index: net/http/http_basic_state.cc
diff --git a/net/http/http_basic_state.cc b/net/http/http_basic_state.cc
index ceadb5761eba00ff916a53972d5303e6f4030f96..e26ff736307fb0ba23e6ff5ce71fbb43ac441a1e 100644
--- a/net/http/http_basic_state.cc
+++ b/net/http/http_basic_state.cc
@@ -18,11 +18,14 @@
 namespace net {
 
 HttpBasicState::HttpBasicState(std::unique_ptr<ClientSocketHandle> connection,
-                               bool using_proxy)
+                               bool using_proxy,
+                               bool http_09_on_non_default_ports_enabled)
     : read_buf_(new GrowableIOBuffer()),
       connection_(std::move(connection)),
       using_proxy_(using_proxy),
-      request_info_(NULL) {}
+      http_09_on_non_default_ports_enabled_(
+          http_09_on_non_default_ports_enabled),
+      request_info_(nullptr) {}
 
 HttpBasicState::~HttpBasicState() {}
 
@@ -34,6 +37,8 @@ int HttpBasicState::Initialize(const HttpRequestInfo* request_info,
   request_info_ = request_info;
   parser_.reset(new HttpStreamParser(
       connection_.get(), request_info, read_buf_.get(), net_log));
+  if (http_09_on_non_default_ports_enabled_)
+    parser_->set_http_09_on_non_default_ports_enabled();
   return OK;
 }