Update from https://crrev.com/309717

sandbox/linux/syscall_broker/broker_client.cc

 // Copyright 2014 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 "sandbox/linux/syscall_broker/broker_client.h"
 
 #include <errno.h>
 #include <fcntl.h>
 #include <sys/stat.h>
 #include <sys/socket.h>
@@ skipping 74 matching lines @@
     if (!quiet_failures_for_tests_)
       RAW_LOG(ERROR, "Could not make request to broker process");
     return -ENOMEM;
   }
 
   Pickle read_pickle(reinterpret_cast<char*>(reply_buf), msg_len);
   PickleIterator iter(read_pickle);
   int return_value = -1;
   // Now deserialize the return value and eventually return the file
   // descriptor.
-  if (read_pickle.ReadInt(&iter, &return_value)) {
+  if (iter.ReadInt(&return_value)) {
     switch (syscall_type) {
       case COMMAND_ACCESS:
         // We should never have a fd to return.
         RAW_CHECK(returned_fd == -1);
         return return_value;
       case COMMAND_OPEN:
         if (return_value < 0) {
           RAW_CHECK(returned_fd == -1);
           return return_value;
         } else {
@@ skipping 29 matching lines @@
   return PathAndFlagsSyscall(COMMAND_ACCESS, pathname, mode);
 }
 
 int BrokerClient::Open(const char* pathname, int flags) const {
   return PathAndFlagsSyscall(COMMAND_OPEN, pathname, flags);
 }
 
 }  // namespace syscall_broker
 
 }  // namespace sandbox