Fix WeakPtrFactory member order in net/spdy and net/dns

net/dns/host_resolver_impl.h

Index: net/dns/host_resolver_impl.h
diff --git a/net/dns/host_resolver_impl.h b/net/dns/host_resolver_impl.h
index b2de64ba186520e324b80db97d1deb902299144f..7bcc8007172d24dfeddf416e752a3708761af0dc 100644
--- a/net/dns/host_resolver_impl.h
+++ b/net/dns/host_resolver_impl.h
@@ -260,10 +260,6 @@ class NET_EXPORT HostResolverImpl
   // Address family to use when the request doesn't specify one.
   AddressFamily default_address_family_;
 
-  base::WeakPtrFactory<HostResolverImpl> weak_ptr_factory_;
-
-  base::WeakPtrFactory<HostResolverImpl> probe_weak_ptr_factory_;
-
   // If present, used by DnsTask and ServeFromHosts to resolve requests.
   scoped_ptr<DnsClient> dns_client_;
 
@@ -292,6 +288,10 @@ class NET_EXPORT HostResolverImpl
   // Allow fallback to ProcTask if DnsTask fails.
   bool fallback_to_proctask_;
 
+  base::WeakPtrFactory<HostResolverImpl> weak_ptr_factory_;
+
+  base::WeakPtrFactory<HostResolverImpl> probe_weak_ptr_factory_;
+
   DISALLOW_COPY_AND_ASSIGN(HostResolverImpl);
 };