Reland - Omnibox - Mark As Duplicates URLs that only differ by a trailing slash

components/omnibox/history_quick_provider.cc

Index: components/omnibox/history_quick_provider.cc
diff --git a/components/omnibox/history_quick_provider.cc b/components/omnibox/history_quick_provider.cc
index a6b9f16bb9a2cd6c08fa81779b934072e709fd53..8b0a1ba4961995c36639e6bbf7c6ac06785c0588 100644
--- a/components/omnibox/history_quick_provider.cc
+++ b/components/omnibox/history_quick_provider.cc
@@ -254,11 +254,12 @@ AutocompleteMatch HistoryQuickProvider::QuickMatchToACMatch(
         new_matches[0].length;
     // |inline_autocomplete_offset| may be beyond the end of the
     // |fill_into_edit| if the user has typed an URL with a scheme and the
-    // last character typed is a slash.  That slash is removed by the
+    // last character typed is a slash.  That slash may be removed by the
     // FormatURLWithOffsets call above.
     if (inline_autocomplete_offset < match.fill_into_edit.length()) {
       match.inline_autocompletion =
           match.fill_into_edit.substr(inline_autocomplete_offset);
+      match.StripLoneSlashOnInlineAutocompletion();
     }
     match.allowed_to_be_default_match = match.inline_autocompletion.empty() ||
         !PreventInlineAutocomplete(autocomplete_input_);