Add a force pipelining option to load flags.

net/http/http_pipelined_host.cc

Index: net/http/http_pipelined_host.cc
diff --git a/net/http/http_pipelined_host.cc b/net/http/http_pipelined_host.cc
new file mode 100644
index 0000000000000000000000000000000000000000..ca477808e9bf964a97456fda42614348cad283bf
--- /dev/null
+++ b/net/http/http_pipelined_host.cc
@@ -0,0 +1,17 @@
+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "net/http/http_pipelined_host.h"
+
+namespace net {
+
+HttpPipelinedHost::Key::Key(const HostPortPair& origin)
+    : origin_(origin) {
+}
+
+bool HttpPipelinedHost::Key::operator<(const Key& rhs) const {
+  return origin_ < rhs.origin_;
+}
+
+}  // namespace net