[temporal] Use const ref consistently for std::vector arguments

Change-Id: I7ecdfa6ee865d87851bf1975ddd48bd0bfcd39ba
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3805822Reviewed-by: Frank Tang <ftang@chromium.org>
Commit-Queue: Adam Klein <adamk@chromium.org>
Cr-Commit-Position: refs/heads/main@{#82410}

src/objects/option-utils.cc

@@ -47,7 +47,7 @@ MaybeHandle<JSReceiver> CoerceOptionsToObject(Isolate* isolate,
 
 Maybe<bool> GetStringOption(Isolate* isolate, Handle<JSReceiver> options,
                             const char* property,
-                            std::vector<const char*> values,
+                            const std::vector<const char*>& values,
                             const char* method_name,
                             std::unique_ptr<char[]>* result) {
   Handle<String> property_str =

src/objects/option-utils.h

@@ -36,7 +36,7 @@ V8_WARN_UNUSED_RESULT MaybeHandle<JSReceiver> CoerceOptionsToObject(
 // printing the error message.
 V8_EXPORT_PRIVATE V8_WARN_UNUSED_RESULT Maybe<bool> GetStringOption(
     Isolate* isolate, Handle<JSReceiver> options, const char* property,
-    std::vector<const char*> values, const char* method_name,
+    const std::vector<const char*>& values, const char* method_name,
     std::unique_ptr<char[]>* result);
 
 // A helper template to get string from option into a enum.