Improve process launch handle sharing API.

components/arc/crash_collector/arc_crash_collector_bridge.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 "components/arc/crash_collector/arc_crash_collector_bridge.h"
 
 #include <sysexits.h>
 #include <unistd.h>
 
 #include <utility>
 
 #include "base/logging.h"
 #include "base/process/launch.h"
 #include "components/arc/arc_bridge_service.h"
 #include "mojo/edk/embedder/embedder.h"
 
 namespace {
 
 const char kCrashReporterPath[] = "/sbin/crash_reporter";
 
 // Runs crash_reporter to save the crash info provided via the pipe.
 void RunCrashReporter(const std::string& crash_type,
                       const std::string& device,
                       const std::string& board,
                       const std::string& cpu_abi,
                       mojo::edk::ScopedPlatformHandle pipe) {
-  base::FileHandleMappingVector fd_map = {
-      std::make_pair(pipe.get().handle, STDIN_FILENO)};
-
   base::LaunchOptions options;
-  options.fds_to_remap = &fd_map;
+  options.fds_to_remap.push_back(
+      std::make_pair(pipe.get().handle, STDIN_FILENO));
 
   auto process =
       base::LaunchProcess({kCrashReporterPath, "--arc_java_crash=" + crash_type,
                            "--arc_device=" + device, "--arc_board=" + board,
                            "--arc_cpu_abi=" + cpu_abi},
                           options);
 
   int exit_code = 0;
   if (!process.WaitForExit(&exit_code)) {
     LOG(ERROR) << "Failed to wait for " << kCrashReporterPath;
@@ skipping 40 matching lines @@
 
 void ArcCrashCollectorBridge::SetBuildProperties(const std::string& device,
                                                  const std::string& board,
                                                  const std::string& cpu_abi) {
   device_ = device;
   board_ = board;
   cpu_abi_ = cpu_abi;
 }
 
 }  // namespace arc