Add a new site setting to control the V8 JIT engine

This provides UI for the existing preference that exists for managed
preferences. Additionally, it is linked from the security settings page.

Bug: 1485187
Change-Id: I3bcdaf822a905b04eac44113160ac82c9f0957ab
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5071038
Reviewed-by: Rainhard Findling <rainhard@chromium.org>
Code-Coverage: findit-for-me@appspot.gserviceaccount.com <findit-for-me@appspot.gserviceaccount.com>
Commit-Queue: Robert Sesek <rsesek@chromium.org>
Reviewed-by: John Lee <johntlee@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1247811}

diff --git a/components/site_settings_strings.grdp b/components/site_settings_strings.grdp
index f6abcb9..40b61b5 100644
--- a/components/site_settings_strings.grdp
+++ b/components/site_settings_strings.grdp

@@ -88,6 +88,9 @@
   <message name="IDS_SITE_SETTINGS_TYPE_JAVASCRIPT_MID_SENTENCE" desc="The label used for JavaScript site settings controls when used mid-sentence.">
     javascript
   </message>
+  <message name="IDS_SITE_SETTINGS_TYPE_JAVASCRIPT_JIT" desc="The label for the JavaScript optimizer site settings controls.">
+    V8 optimizer
+  </message>
   <message name="IDS_SITE_SETTINGS_TYPE_LOCATION" desc="The label used for geolocation site settings controls." meaning="Geolocation">
     Location
   </message>