Remove the HostResolver::Shutdown() method....

net/base/host_resolver_impl.h

Index: net/base/host_resolver_impl.h
===================================================================
--- net/base/host_resolver_impl.h	(revision 38181)
+++ net/base/host_resolver_impl.h	(working copy)
@@ -88,15 +88,15 @@
   virtual void AddObserver(HostResolver::Observer* observer);
   virtual void RemoveObserver(HostResolver::Observer* observer);
 
-  // TODO(eroman): temp hack for http://crbug.com/15513
-  virtual void Shutdown();
-
   virtual void SetDefaultAddressFamily(AddressFamily address_family) {
     default_address_family_ = address_family;
   }
 
   virtual bool IsHostResolverImpl() { return true; }
 
+  // TODO(eroman): hack for http://crbug.com/15513
+  void Shutdown();
+
   // Returns the cache this resolver uses, or NULL if caching is disabled.
   HostCache* cache() { return cache_.get(); }
 
@@ -239,7 +239,7 @@
   // Address family to use when the request doesn't specify one.
   AddressFamily default_address_family_;
 
-  // TODO(eroman): temp hack for http://crbug.com/15513
+  // TODO(eroman): hack for http://crbug.com/15513
   bool shutdown_;
 
   NetworkChangeNotifier* const network_change_notifier_;