base::Bind: Convert net/proxy.

net/proxy/multi_threaded_proxy_resolver.h

Index: net/proxy/multi_threaded_proxy_resolver.h
diff --git a/net/proxy/multi_threaded_proxy_resolver.h b/net/proxy/multi_threaded_proxy_resolver.h
index deca2a55cc4545cb946943e12dac75ca884c4c21..73c3aba1ff261cd70fb532da0334b51f963ef3be 100644
--- a/net/proxy/multi_threaded_proxy_resolver.h
+++ b/net/proxy/multi_threaded_proxy_resolver.h
@@ -94,7 +94,7 @@ class NET_EXPORT_PRIVATE MultiThreadedProxyResolver
   // ProxyResolver implementation:
   virtual int GetProxyForURL(const GURL& url,
                              ProxyInfo* results,
-                             OldCompletionCallback* callback,
+                             const CompletionCallback& callback,
                              RequestHandle* request,
                              const BoundNetLog& net_log) OVERRIDE;
   virtual void CancelRequest(RequestHandle request) OVERRIDE;
@@ -105,7 +105,7 @@ class NET_EXPORT_PRIVATE MultiThreadedProxyResolver
   virtual void PurgeMemory() OVERRIDE;
   virtual int SetPacScript(
       const scoped_refptr<ProxyResolverScriptData>& script_data,
-      OldCompletionCallback* callback) OVERRIDE;
+      const CompletionCallback& callback) OVERRIDE;
 
  private:
   class Executor;