Fix json_file_sanitizer typo

Bug: N/A
Change-Id: Ibc02df59e882ca9898c14394fb347646445652ac
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1709318
Auto-Submit: Dominic Farolino <dom@chromium.org>
Commit-Queue: Ken Rockot <rockot@google.com>
Reviewed-by: Ken Rockot <rockot@google.com>
Cr-Commit-Position: refs/heads/master@{#679728}

extensions/browser/json_file_sanitizer.h

@@ -51,7 +51,7 @@ class JsonFileSanitizer {
   // |connector| should be a connector to the ServiceManager usable on the
   // current thread. |identity| is used when accessing the data decoder service
   // which is used internally to parse JSON. It lets callers indicate they'd
-  // like to use a sahred process for the data decoder service with some
+  // like to use a shared process for the data decoder service with some
   // potentially unrelated data decoding operations.
   // |callback| is invoked asynchronously when all JSON files have been
   // sanitized or if an error occurred.