fix instances of bugprone-argument-comment

This new clang-tidy check complains when param names /*in_comments=*/
don't match up with the actual parameter name they're being passed to.
Sometimes this is benign, other times, actual bugs are found.

In this case, everything (including the definition for this function)
spelled this `has_complete_suggestion`, so go with that.

Bug: 1136209
Change-Id: I41b6f21a9b675e9e5817e2b563293c91c95a462a
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2459110
Commit-Queue: Danyao Wang <danyao@chromium.org>
Reviewed-by: Danyao Wang <danyao@chromium.org>
Cr-Commit-Position: refs/heads/master@{#815681}

components/payments/core/journey_logger.h

@@ -187,7 +187,7 @@ class JourneyLogger {
   // Sets the number of suggestions shown for the specified section.
   void SetNumberOfSuggestionsShown(Section section,
                                    int number,
-                                   bool has_valid_suggestion);
+                                   bool has_complete_suggestion);
 
   // Records the fact that the merchant called CanMakePayment and records its
   // return value.