Added a net::BidirectionalStream to expose a bidirectional streaming interface

net/http/bidirectional_stream_request_info.cc

Index: net/http/bidirectional_stream_request_info.cc
diff --git a/net/http/bidirectional_stream_request_info.cc b/net/http/bidirectional_stream_request_info.cc
new file mode 100644
index 0000000000000000000000000000000000000000..309606e78735b6af33d9bc02bfb6eba367fb335b
--- /dev/null
+++ b/net/http/bidirectional_stream_request_info.cc
@@ -0,0 +1,14 @@
+// Copyright 2015 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/bidirectional_stream_request_info.h"
+
+namespace net {
+
+BidirectionalStreamRequestInfo::BidirectionalStreamRequestInfo()
+    : priority(LOW), end_stream_on_headers(false) {}
+
+BidirectionalStreamRequestInfo::~BidirectionalStreamRequestInfo() {}
+
+}  // namespace net