net: Add fuzzer for HostResolverImpl.

net/socket/socks_client_socket_fuzzer.cc

 // Copyright 2016 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.
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <memory>
 
 #include "base/logging.h"
@@ skipping 17 matching lines @@
   net::TestNetLog test_net_log;
 
   net::FuzzedDataProvider data_provider(data, size);
 
   // Determine if the DNS lookup returns synchronously or asynchronously,
   // succeeds or fails, and returns an IPv4 or IPv6 address.
   net::MockHostResolver mock_host_resolver;
   scoped_refptr<net::RuleBasedHostResolverProc> rules(
       new net::RuleBasedHostResolverProc(nullptr));
   mock_host_resolver.set_synchronous_mode(data_provider.ConsumeBool());
-  switch (data_provider.ConsumeValueInRange(0, 2)) {
+  switch (data_provider.ConsumeInt32InRange(0, 2)) {
     case 0:
       rules->AddRule("*", "127.0.0.1");
       break;
     case 1:
       rules->AddRule("*", "::1");
       break;
     case 2:
       rules->AddSimulatedFailure("*");
       break;
   }
   mock_host_resolver.set_rules(rules.get());
 
   net::TestCompletionCallback callback;
   std::unique_ptr<net::FuzzedSocket> fuzzed_socket(
       new net::FuzzedSocket(&data_provider, &test_net_log));
   CHECK_EQ(net::OK, fuzzed_socket->Connect(callback.callback()));
 
   std::unique_ptr<net::ClientSocketHandle> socket_handle(
       new net::ClientSocketHandle());
   socket_handle->SetSocket(std::move(fuzzed_socket));
 
   net::HostResolver::RequestInfo request_info(net::HostPortPair("foo", 80));
   net::SOCKSClientSocket socket(std::move(socket_handle), request_info,
                                 net::DEFAULT_PRIORITY, &mock_host_resolver);
   int result = socket.Connect(callback.callback());
   callback.GetResult(result);
   return 0;
 }