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

net/spdy/spdy_config_service.cc

Index: net/spdy/spdy_config_service.cc
===================================================================
--- net/spdy/spdy_config_service.cc	(revision 0)
+++ net/spdy/spdy_config_service.cc	(revision 0)
@@ -0,0 +1,21 @@
+// 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.h"
+
+namespace net {
+
+SpdyConfig::SpdyConfig() : spdy_servers("") {
+}
+
+SpdyConfig::~SpdyConfig() {
+}
+
+SpdyConfigService::SpdyConfigService() {
+}
+
+SpdyConfigService::~SpdyConfigService() {
+}
+
+}  // namespace net