src: use make_shared for safe allocation

Using the reset does a double allocation and is error prone if some
exception occured which is very unlikely but can happen. make_shared_ptr
gives hedge over this and handle the failure in allocation.

PR-URL: #37139
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>

src/env.cc

@@ -379,9 +379,10 @@ Environment::Environment(IsolateData* isolate_data,
   // easier to modify them after Environment creation. The defaults are
   // part of the per-Isolate option set, for which in turn the defaults are
   // part of the per-process option set.
-  options_.reset(new EnvironmentOptions(*isolate_data->options()->per_env));
-  inspector_host_port_.reset(
-      new ExclusiveAccess<HostPort>(options_->debug_options().host_port));
+  options_ = std::make_shared<EnvironmentOptions>(
+      *isolate_data->options()->per_env);
+  inspector_host_port_ = std::make_shared<ExclusiveAccess<HostPort>>(
+      options_->debug_options().host_port);
 
   if (!(flags_ & EnvironmentFlags::kOwnsProcessState)) {
     set_abort_on_uncaught_exception(false);