HttpServerProperties - Don't persist if SetSupportsSpdy is called with

net/http/http_server_properties_impl.cc

 // Copyright (c) 2012 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/http/http_server_properties_impl.h"
 
 #include "base/bind.h"
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop/message_loop.h"
@@ skipping 139 matching lines @@
   last_quic_address_.clear();
   server_network_stats_map_.Clear();
 }
 
 bool HttpServerPropertiesImpl::SupportsRequestPriority(
     const HostPortPair& host_port_pair) {
   DCHECK(CalledOnValidThread());
   if (host_port_pair.host().empty())
     return false;
 
-  SpdyServerHostPortMap::iterator spdy_host_port =
-      spdy_servers_map_.Get(host_port_pair.ToString());
-  if (spdy_host_port != spdy_servers_map_.end() && spdy_host_port->second)
+  if (GetSupportsSpdy(host_port_pair))
     return true;
 
   const AlternativeService alternative_service =
       GetAlternativeService(host_port_pair);
   return alternative_service.protocol == QUIC;
 }
 
+bool HttpServerPropertiesImpl::GetSupportsSpdy(
+    const HostPortPair& host_port_pair) {
+  DCHECK(CalledOnValidThread());
+  if (host_port_pair.host().empty())
+    return false;
+
+  SpdyServerHostPortMap::iterator spdy_host_port =
+      spdy_servers_map_.Get(host_port_pair.ToString());
+  return spdy_host_port != spdy_servers_map_.end() && spdy_host_port->second;
+}
+
 void HttpServerPropertiesImpl::SetSupportsSpdy(
     const HostPortPair& host_port_pair,
     bool support_spdy) {
   DCHECK(CalledOnValidThread());
   if (host_port_pair.host().empty())
     return;
 
   SpdyServerHostPortMap::iterator spdy_host_port =
       spdy_servers_map_.Get(host_port_pair.ToString());
   if ((spdy_host_port != spdy_servers_map_.end()) &&
@@ skipping 414 matching lines @@
   base::TimeDelta delay = when > now ? when - now : base::TimeDelta();
   base::MessageLoop::current()->PostDelayedTask(
       FROM_HERE,
       base::Bind(
           &HttpServerPropertiesImpl::ExpireBrokenAlternateProtocolMappings,
           weak_ptr_factory_.GetWeakPtr()),
       delay);
 }
 
 }  // namespace net