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.

Bug: 1136209
Change-Id: I6c89922f34472a5e06fb88b68ecbf5996de37c56
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2459051Reviewed-by: Maksim Moskvitin <mmoskvitin@google.com>
Commit-Queue: George Burgess <gbiv@chromium.org>
Cr-Commit-Position: refs/heads/master@{#815673}

components/sync_bookmarks/bookmark_remote_updates_handler_unittest.cc

@@ -586,7 +586,7 @@ TEST_F(BookmarkRemoteUpdatesHandlerWithInitialMergeTest,
   histogram_tester.ExpectBucketCount(
       "Sync.ProblematicServerSideBookmarks",
       /*sample=*/ExpectedRemoteBookmarkUpdateError::kInvalidSpecifics,
-      /*count=*/1);
+      /*expected_count=*/1);
 }
 
 TEST_F(BookmarkRemoteUpdatesHandlerWithInitialMergeTest,
@@ -620,7 +620,7 @@ TEST_F(BookmarkRemoteUpdatesHandlerWithInitialMergeTest,
   histogram_tester.ExpectBucketCount(
       "Sync.ProblematicServerSideBookmarks",
       /*sample=*/ExpectedRemoteBookmarkUpdateError::kUnexpectedGuid,
-      /*count=*/1);
+      /*expected_count=*/1);
 }
 
 TEST_F(BookmarkRemoteUpdatesHandlerWithInitialMergeTest,
@@ -675,7 +675,7 @@ TEST_F(BookmarkRemoteUpdatesHandlerWithInitialMergeTest,
   histogram_tester.ExpectBucketCount(
       "Sync.ProblematicServerSideBookmarks",
       /*sample=*/ExpectedRemoteBookmarkUpdateError::kUnexpectedGuid,
-      /*count=*/0);
+      /*expected_count=*/0);
 }
 
 TEST_F(BookmarkRemoteUpdatesHandlerWithInitialMergeTest,
@@ -1015,7 +1015,7 @@ TEST_F(BookmarkRemoteUpdatesHandlerWithInitialMergeTest,
   histogram_tester.ExpectBucketCount(
       "Sync.ProblematicServerSideBookmarks",
       /*sample=*/ExpectedRemoteBookmarkUpdateError::kParentNotFolder,
-      /*count=*/1);
+      /*expected_count=*/1);
 }
 
 TEST_F(BookmarkRemoteUpdatesHandlerWithInitialMergeTest,
@@ -1896,7 +1896,7 @@ TEST_F(BookmarkRemoteUpdatesHandlerWithInitialMergeTest,
       /*sample=*/
       BookmarkRemoteUpdatesHandler::
           DuplicateBookmarkEntityOnRemoteUpdateCondition::kServerIdTombstone,
-      /*count=*/1);
+      /*expected_count=*/1);
 }
 
 TEST_F(BookmarkRemoteUpdatesHandlerWithInitialMergeTest,