Improve process launch handle sharing API.

components/arc/crash_collector/arc_crash_collector_bridge.cc

Index: components/arc/crash_collector/arc_crash_collector_bridge.cc
diff --git a/components/arc/crash_collector/arc_crash_collector_bridge.cc b/components/arc/crash_collector/arc_crash_collector_bridge.cc
index 2ca3da4f26a9df02e6dc0b9cb3ccddc300214536..95ef388f23a8c3eb9079e3f6fd3556dec3b666c0 100644
--- a/components/arc/crash_collector/arc_crash_collector_bridge.cc
+++ b/components/arc/crash_collector/arc_crash_collector_bridge.cc
@@ -24,11 +24,9 @@ void RunCrashReporter(const std::string& crash_type,
                       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,