[Mac] Implement base::EnableTerminationOnHeapCorruption() by overriding malloc_error_break().

base/process_util_posix.cc

 // Copyright (c) 2011 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 <dirent.h>
 #include <errno.h>
 #include <fcntl.h>
 #include <signal.h>
 #include <stdlib.h>
 #include <sys/resource.h>
@@ skipping 638 matching lines @@
 }
 
 bool LaunchProcess(const CommandLine& cmdline,
                    const LaunchOptions& options,
                    ProcessHandle* process_handle) {
   return LaunchProcess(cmdline.argv(), options, process_handle);
 }
 
 ProcessMetrics::~ProcessMetrics() { }
 
-void EnableTerminationOnHeapCorruption() {
-  // On POSIX, there nothing to do AFAIK.
-}
-
 bool EnableInProcessStackDumping() {
   // When running in an application, our code typically expects SIGPIPE
   // to be ignored.  Therefore, when testing that same code, it should run
   // with SIGPIPE ignored as well.
   struct sigaction action;
   action.sa_handler = SIG_IGN;
   action.sa_flags = 0;
   sigemptyset(&action.sa_mask);
   bool success = (sigaction(SIGPIPE, &action, NULL) == 0);
 
@@ skipping 384 matching lines @@
                       const ProcessFilter* filter) {
   bool exited_cleanly =
       WaitForProcessesToExit(executable_name, wait_milliseconds,
                              filter);
   if (!exited_cleanly)
     KillProcesses(executable_name, exit_code, filter);
   return exited_cleanly;
 }
 
 }  // namespace base