Basic HTTP pipelining support

net/http/http_stream_factory.h

Index: net/http/http_stream_factory.h
diff --git a/net/http/http_stream_factory.h b/net/http/http_stream_factory.h
index ef78a70e23ad6f4c93670d1d43c9a47275df4de1..4aa01d1605577d4804ccbf76be3350cf184052f6 100644
--- a/net/http/http_stream_factory.h
+++ b/net/http/http_stream_factory.h
@@ -23,6 +23,7 @@ class HostMappingRules;
 class HostPortPair;
 class HttpAuthController;
 class HttpNetworkSession;
+class HttpPipelinedHost;
 class HttpResponseInfo;
 class HttpServerProperties;
 class HttpStream;
@@ -228,6 +229,11 @@ class NET_EXPORT HttpStreamFactory {
 
   static void SetHostMappingRules(const std::string& rules);
 
+  static void set_http_pipelining_enabled(bool value) {
+    http_pipelining_enabled_ = value;
+  }
+  static bool http_pipelining_enabled() { return http_pipelining_enabled_; }
+
  protected:
   HttpStreamFactory();
 
@@ -242,6 +248,7 @@ class NET_EXPORT HttpStreamFactory {
   static bool force_spdy_always_;
   static std::list<HostPortPair>* forced_spdy_exclusions_;
   static bool ignore_certificate_errors_;
+  static bool http_pipelining_enabled_;
 
   DISALLOW_COPY_AND_ASSIGN(HttpStreamFactory);
 };