Revert 51877, since SpdyNetworkTransactionTest.CorruptFrameSessionError start...

net/base/host_resolver_impl.h

 // Copyright (c) 2010 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.
 
 #ifndef NET_BASE_HOST_RESOLVER_IMPL_H_
 #define NET_BASE_HOST_RESOLVER_IMPL_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 81 matching lines @@
   // Set address family, and disable IPv6 probe support.
   virtual void SetDefaultAddressFamily(AddressFamily address_family);
 
   // Continuously observe whether IPv6 is supported, and set the allowable
   // address family to IPv4 iff IPv6 is not supported.
   void ProbeIPv6Support();
 
   virtual HostResolverImpl* GetAsHostResolverImpl() { return this; }
 
   // TODO(eroman): hack for http://crbug.com/15513
-  virtual void Shutdown();
+  void Shutdown();
 
   // Returns the cache this resolver uses, or NULL if caching is disabled.
   HostCache* cache() { return cache_.get(); }
 
   // Applies a set of constraints for requests that belong to the specified
   // pool. NOTE: Don't call this after requests have been already been started.
   //
   //  |pool_index| -- Specifies which pool these constraints should be applied
   //                  to.
   //  |max_outstanding_jobs| -- How many concurrent jobs are allowed for this
@@ skipping 138 matching lines @@
 
   // The last un-cancelled IPv6ProbeJob (if any).
   scoped_refptr<IPv6ProbeJob> ipv6_probe_job_;
 
   DISALLOW_COPY_AND_ASSIGN(HostResolverImpl);
 };
 
 }  // namespace net
 
 #endif  // NET_BASE_HOST_RESOLVER_IMPL_H_