Introduce net::HttpServerPropertiesManager to manage server-specific properties.

net/spdy/spdy_config_service_defaults.cc

Index: net/spdy/spdy_config_service_defaults.cc
===================================================================
--- net/spdy/spdy_config_service_defaults.cc	(revision 0)
+++ net/spdy/spdy_config_service_defaults.cc	(revision 0)
@@ -0,0 +1,22 @@
+// Copyright (c) 2011 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/spdy/spdy_config_service_defaults.h"
+
+namespace net {
+
+SpdyConfigServiceDefaults::SpdyConfigServiceDefaults() {
+}
+
+void SpdyConfigServiceDefaults::GetSpdyConfig(SpdyConfig* config) {
+  *config = default_config_;
+}
+
+void SpdyConfigServiceDefaults::AddSpdyServer(const std::string& spdyserver) {
+}
+
+SpdyConfigServiceDefaults::~SpdyConfigServiceDefaults() {
+}
+
+}  // namespace net