Omnibox: Prevent Asynchronous Suggestions from Changing Default Match

chrome/browser/autocomplete/zero_suggest_provider.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/autocomplete/zero_suggest_provider.h"
 
 #include "base/callback.h"
 #include "base/i18n/case_conversion.h"
 #include "base/json/json_string_value_serializer.h"
 #include "base/metrics/histogram.h"
@@ skipping 255 matching lines @@
   if (results_from_cache_)
     done_ = true;
 
   return results_from_cache_;
 }
 
 void ZeroSuggestProvider::AddSuggestResultsToMap(
     const SearchSuggestionParser::SuggestResults& results,
     MatchMap* map) {
   for (size_t i = 0; i < results.size(); ++i)
-    AddMatchToMap(results[i], std::string(), i, false, map);
+    AddMatchToMap(results[i], std::string(), i, false, false, map);
 }
 
 AutocompleteMatch ZeroSuggestProvider::NavigationToMatch(
     const SearchSuggestionParser::NavigationResult& navigation) {
   AutocompleteMatch match(this, navigation.relevance(), false,
                           navigation.type());
   match.destination_url = navigation.url();
 
   // Zero suggest results should always omit protocols and never appear bold.
   const std::string languages(
@@ skipping 168 matching lines @@
   if (!json_data.empty()) {
     scoped_ptr<base::Value> data(
         SearchSuggestionParser::DeserializeJsonData(json_data));
     if (data && ParseSuggestResults(
             *data, kDefaultZeroSuggestRelevance, false, &results_)) {
       ConvertResultsToAutocompleteMatches();
       results_from_cache_ = !matches_.empty();
     }
   }
 }