Update from https://crrev.com/308331

net/tools/crash_cache/crash_cache.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.
 
 // This command-line program generates the set of files needed for the crash-
 // cache unit tests (DiskCacheTest,CacheBackend_Recover*). This program only
 // works properly on debug mode, because the crash functionality is not compiled
 // on release builds of the cache.
 
 #include <string>
 
 #include "base/at_exit.h"
 #include "base/command_line.h"
 #include "base/files/file_util.h"
 #include "base/logging.h"
 #include "base/message_loop/message_loop.h"
 #include "base/path_service.h"
 #include "base/process/kill.h"
 #include "base/process/launch.h"
-#include "base/process/process_handle.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/threading/thread.h"
 #include "net/base/net_errors.h"
 #include "net/base/net_export.h"
 #include "net/base/test_completion_callback.h"
 #include "net/disk_cache/blockfile/backend_impl.h"
 #include "net/disk_cache/blockfile/rankings.h"
 #include "net/disk_cache/disk_cache.h"
@@ skipping 12 matching lines @@
 using disk_cache::RankCrashes;
 
 // Starts a new process, to generate the files.
 int RunSlave(RankCrashes action) {
   base::FilePath exe;
   PathService::Get(base::FILE_EXE, &exe);
 
   base::CommandLine cmdline(exe);
   cmdline.AppendArg(base::IntToString(action));
 
-  base::ProcessHandle handle;
-  if (!base::LaunchProcess(cmdline, base::LaunchOptions(), &handle)) {
+  base::Process process = base::LaunchProcess(cmdline, base::LaunchOptions());
+  if (!process.IsValid()) {
     printf("Unable to run test %d\n", action);
     return GENERIC;
   }
 
   int exit_code;
 
-  if (!base::WaitForExitCode(handle, &exit_code)) {
+  if (!process.WaitForExit(&exit_code)) {
     printf("Unable to get return code, test %d\n", action);
     return GENERIC;
   }
   if (ALL_GOOD != exit_code)
     printf("Test %d failed, code %d\n", action, exit_code);
 
   return exit_code;
 }
 
 // Main loop for the master process.
@@ skipping 301 matching lines @@
 
   base::FilePath path;
   PathService::Get(base::DIR_SOURCE_ROOT, &path);
   path = path.AppendASCII("net");
   path = path.AppendASCII("data");
   path = path.AppendASCII("cache_tests");
   path = path.AppendASCII("new_crashes");
 
   return SlaveCode(path, action);
 }