Omnibox: Fix URL-What-You-Typed Allowed-To-Be-Default-Match Issues

chrome/browser/autocomplete/history_quick_provider.cc

Index: chrome/browser/autocomplete/history_quick_provider.cc
diff --git a/chrome/browser/autocomplete/history_quick_provider.cc b/chrome/browser/autocomplete/history_quick_provider.cc
index 5291c7e87ec20690aaa3edbc30fdd097097ccd84..29645b06e05e12597a86146e7797cd1a85e6b328 100644
--- a/chrome/browser/autocomplete/history_quick_provider.cc
+++ b/chrome/browser/autocomplete/history_quick_provider.cc
@@ -275,6 +275,16 @@ AutocompleteMatch HistoryQuickProvider::QuickMatchToACMatch(
     match.allowed_to_be_default_match = match.inline_autocompletion.empty() ||
         !PreventInlineAutocomplete(autocomplete_input_);
   }
+  // Also allow a user's input to be marked as default if it would be fixed
+  // up to something equivalent to the URL-what-you-typed match.  This handles
+  // cases like the cursor being into the middle of input, making
+  // ScoredHistoryMatch think the input is two terms and thus be unable to
+  // decide if it's inlineable.
+  match.ComputeStrippedDestinationURL(profile_);
+  if (AutocompleteMatch::GURLToStrippedGURL(
+          autocomplete_input_.canonicalized_url(), profile_,
+          base::string16()) == match.stripped_destination_url)
+    match.allowed_to_be_default_match = true;
 
   // Format the description autocomplete presentation.
   match.description = info.title();