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

chrome/browser/profiles/off_the_record_profile_io_data.cc

Index: chrome/browser/profiles/off_the_record_profile_io_data.cc
===================================================================
--- chrome/browser/profiles/off_the_record_profile_io_data.cc	(revision 103555)
+++ chrome/browser/profiles/off_the_record_profile_io_data.cc	(working copy)
@@ -153,6 +153,7 @@
   extensions_context->set_net_log(io_thread->net_log());
 
   main_context->set_network_delegate(network_delegate());
+  main_context->set_http_server_properties(http_server_properties());
 
   main_context->set_host_resolver(
       io_thread_globals->host_resolver.get());
@@ -197,6 +198,7 @@
                          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);