Fix WeakPtrFactory member order

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

BUG=303818

Review URL: https://codereview.chromium.org/301573002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@273022 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/net/dns/host_resolver_impl.cc b/net/dns/host_resolver_impl.cc
index a1ab0e5..dd11336 100644
--- a/net/dns/host_resolver_impl.cc
+++ b/net/dns/host_resolver_impl.cc
@@ -1798,15 +1798,15 @@
       proc_params_(proc_params),
       net_log_(net_log),
       default_address_family_(ADDRESS_FAMILY_UNSPECIFIED),
-      weak_ptr_factory_(this),
-      probe_weak_ptr_factory_(this),
       received_dns_config_(false),
       num_dns_failures_(0),
       probe_ipv6_support_(true),
       use_local_ipv6_(false),
       resolved_known_ipv6_hostname_(false),
       additional_resolver_flags_(0),
-      fallback_to_proctask_(true) {
+      fallback_to_proctask_(true),
+      weak_ptr_factory_(this),
+      probe_weak_ptr_factory_(this) {
 
   DCHECK_GE(dispatcher_.num_priorities(), static_cast<size_t>(NUM_PRIORITIES));