Update from https://crrev.com/305340

net/socket/socks5_client_socket_unittest.cc

 // Copyright (c) 2012 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 "net/socket/socks5_client_socket.h"
 
 #include <algorithm>
 #include <iterator>
 #include <map>
 
@@ skipping 240 matching lines @@
     // Domain string:
     'w', 'w', 'w', '.', 'g', 'o', 'o', 'g', 'l', 'e', '.', 'c', 'o', 'm',
     0x00, 0x50,  // 16-bit port (80)
   };
 
   // Test for partial greet request write
   {
     const char partial1[] = { 0x05, 0x01 };
     const char partial2[] = { 0x00 };
     MockWrite data_writes[] = {
-        MockWrite(ASYNC, arraysize(partial1)),
+        MockWrite(ASYNC, partial1, arraysize(partial1)),
         MockWrite(ASYNC, partial2, arraysize(partial2)),
         MockWrite(ASYNC, kOkRequest, arraysize(kOkRequest)) };
     MockRead data_reads[] = {
         MockRead(ASYNC, kSOCKS5GreetResponse, kSOCKS5GreetResponseLength),
         MockRead(ASYNC, kSOCKS5OkResponse, kSOCKS5OkResponseLength) };
     user_sock_ = BuildMockSocket(data_reads, arraysize(data_reads),
                                  data_writes, arraysize(data_writes),
                                  hostname, 80, &net_log_);
     int rv = user_sock_->Connect(callback_.callback());
     EXPECT_EQ(ERR_IO_PENDING, rv);
@@ skipping 98 matching lines @@
     EXPECT_TRUE(user_sock_->IsConnected());
     net_log_.GetEntries(&net_log_entries);
     EXPECT_TRUE(LogContainsEndEvent(net_log_entries, -1,
                                     NetLog::TYPE_SOCKS5_CONNECT));
   }
 }
 
 }  // namespace
 
 }  // namespace net