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

net/spdy/spdy_config_service_defaults.h

Index: net/spdy/spdy_config_service_defaults.h
===================================================================
--- net/spdy/spdy_config_service_defaults.h	(revision 0)
+++ net/spdy/spdy_config_service_defaults.h	(revision 0)
@@ -0,0 +1,40 @@
+// 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.
+
+#ifndef NET_BASE_SPDY_CONFIG_SERVICE_DEFAULTS_H_
+#define NET_BASE_SPDY_CONFIG_SERVICE_DEFAULTS_H_
+#pragma once
+
+#include <string>
+
+#include "net/base/net_export.h"
+#include "net/spdy/spdy_config_service.h"
+
+namespace net {
+
+// This SpdyConfigService always returns the default SpdyConfig settings.  It is
+// mainly useful for unittests, or for platforms that do not have a native
+// implementation of SpdyConfigService yet.
+class NET_EXPORT SpdyConfigServiceDefaults : public SpdyConfigService {
+ public:
+  SpdyConfigServiceDefaults();
+
+  // Store default Spdy config settings in |config|.
+  virtual void GetSpdyConfig(SpdyConfig* config);
+
+  // Add |spdy_server| into preferences.
+  virtual void AddSpdyServer(const std::string& spdy_server);
+
+ private:
+  virtual ~SpdyConfigServiceDefaults();
+
+  // Default value of prefs.
+  const SpdyConfig default_config_;
+
+  DISALLOW_COPY_AND_ASSIGN(SpdyConfigServiceDefaults);
+};
+
+}  // namespace net
+
+#endif  // NET_BASE_SPDY_CONFIG_SERVICE_DEFAULTS_H_