Even more reordering the methods in headers and implementation in net/.

net/base/host_resolver.cc

Index: net/base/host_resolver.cc
diff --git a/net/base/host_resolver.cc b/net/base/host_resolver.cc
index a8b642a2ea0463d994b29d70becfe2d848c81d56..49678a2625c969537ffcdaaaaf53ce7a8b8e4d2a 100644
--- a/net/base/host_resolver.cc
+++ b/net/base/host_resolver.cc
@@ -19,9 +19,6 @@ HostResolver::RequestInfo::RequestInfo(const HostPortPair& host_port_pair)
       priority_(MEDIUM) {
 }
 
-HostResolver::HostResolver() {
-}
-
 HostResolver::~HostResolver() {
 }
 
@@ -33,6 +30,9 @@ HostResolverImpl* HostResolver::GetAsHostResolverImpl() {
   return NULL;
 }
 
+HostResolver::HostResolver() {
+}
+
 SingleRequestHostResolver::SingleRequestHostResolver(HostResolver* resolver)
     : resolver_(resolver),
       cur_request_(NULL),