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

chrome/browser/profiles/profile_impl_io_data.cc

Index: chrome/browser/profiles/profile_impl_io_data.cc
===================================================================
--- chrome/browser/profiles/profile_impl_io_data.cc	(revision 103555)
+++ chrome/browser/profiles/profile_impl_io_data.cc	(working copy)
@@ -260,6 +260,9 @@
   main_context->set_network_delegate(network_delegate());
   media_request_context_->set_network_delegate(network_delegate());
 
+  main_context->set_http_server_properties(http_server_properties());
+  media_request_context_->set_http_server_properties(http_server_properties());
+
   main_context->set_host_resolver(
       io_thread_globals->host_resolver.get());
   media_request_context_->set_host_resolver(
@@ -353,6 +356,7 @@
       main_context->ssl_config_service(),
       main_context->http_auth_handler_factory(),
       main_context->network_delegate(),
+      main_context->http_server_properties(),
       main_context->net_log(),
       main_backend);