Add SearchProvider's most relevant NavigationResult to |matches_|.

chrome/browser/autocomplete/search_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/search_provider.h"
 
 #include <algorithm>
 #include <cmath>
 
 #include "base/callback.h"
@@ skipping 639 matching lines @@
       matches_.begin() + std::min(max_total_matches, matches_.size()),
       matches_.end(), &AutocompleteMatch::MoreRelevant);
   if (matches_.size() > max_total_matches)
     matches_.erase(matches_.begin() + max_total_matches, matches_.end());
 
   UpdateStarredStateOfMatches();
   UpdateDone();
 }
 
 void SearchProvider::AddNavigationResultsToMatches(
-    const NavigationResults& navigation_results,
+    NavigationResults navigation_results,
     bool is_keyword) {
+  std::stable_sort(navigation_results.begin(), navigation_results.end(),

[Peter Kasting, 2012/05/14 20:29:19]

Use std::max_element() instead of sorting and then pulling off the front.  This
also avoids the need to pass by copy.

[msw, 2012/05/15 01:00:29]

Done.

+                   CompareScoredResults());
   if (!navigation_results.empty()) {
-    // TODO(kochi): http://b/1170574  We add only one results for navigational
-    // suggestions. If we can get more useful information about the score,
-    // consider adding more results.
+    // TODO(kochi|msw): Add more navigational results if they get more
+    //                  meaningful relevance values; see http://b/1170574.
     matches_.push_back(
         NavigationToMatch(navigation_results.front(), is_keyword));
   }
 }
 
 void SearchProvider::AddHistoryResultsToMap(const HistoryResults& results,
                                             bool is_keyword,
                                             int did_not_accept_suggestion,
                                             MatchMap* map) {
   if (results.empty())
@@ skipping 299 matching lines @@
 
   return match;
 }
 
 void SearchProvider::UpdateDone() {
   // We're done when there are no more suggest queries pending (this is set to 1
   // when the timer is started) and we're not waiting on instant.
   done_ = ((suggest_results_pending_ == 0) &&
            (instant_finalized_ || !InstantController::IsEnabled(profile_)));
 }