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

chrome/browser/browsing_data_remover.cc

Index: chrome/browser/browsing_data_remover.cc
===================================================================
--- chrome/browser/browsing_data_remover.cc	(revision 104227)
+++ chrome/browser/browsing_data_remover.cc	(working copy)
@@ -294,8 +294,9 @@
     }
   }
 
-  // Also delete cached TransportSecurityState data.
-  profile_->DeleteTransportSecurityStateSince(delete_begin_);
+  // Also delete cached network related data (like TransportSecurityState,
+  // HttpServerProperties data).
+  profile_->ClearNetworkingHistorySince(delete_begin_);
 
   NotifyAndDeleteIfDone();
 }