Move FuzzedDataProvider to //base and expose to blink

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"
+#include "base/test/fuzzed_data_provider.h"
 #include "net/base/address_list.h"
-#include "net/base/fuzzed_data_provider.h"
 #include "net/base/net_errors.h"
 #include "net/base/test_completion_callback.h"
 #include "net/dns/host_resolver.h"
 #include "net/dns/mock_host_resolver.h"
 #include "net/log/test_net_log.h"
 #include "net/socket/client_socket_handle.h"
 #include "net/socket/fuzzed_socket.h"
 #include "net/socket/socks_client_socket.h"
 
 // Fuzzer for SocksClientSocket.  Only covers the SOCKS4 handshake.
 //
 // |data| is used to create a FuzzedSocket to fuzz reads and writes, see that
 // class for details.
 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
   // Use a test NetLog, to exercise logging code.
   net::TestNetLog test_net_log;
 
-  net::FuzzedDataProvider data_provider(data, size);
+  base::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.ConsumeInt32InRange(0, 2)) {
     case 0:
       rules->AddRule("*", "127.0.0.1");
@@ skipping 16 matching lines @@
       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;
 }