Removes the link in the omnibox for searching history.

chrome/browser/autocomplete/history_contents_provider.cc

Index: chrome/browser/autocomplete/history_contents_provider.cc
diff --git a/chrome/browser/autocomplete/history_contents_provider.cc b/chrome/browser/autocomplete/history_contents_provider.cc
index 37f314403dacfac7b095bc3d8e9689208385aac5..07c913219cadf637bc7f5cefc95928e7d3253ca2 100644
--- a/chrome/browser/autocomplete/history_contents_provider.cc
+++ b/chrome/browser/autocomplete/history_contents_provider.cc
@@ -133,7 +133,7 @@ void HistoryContentsProvider::Start(const AutocompleteInput& input,
 
       history::QueryOptions options;
       options.SetRecentDayRange(kDaysToSearch);
-      options.max_count = kMaxMatchCount;
+      options.max_count = kMaxMatches;
       history->QueryHistory(WideToUTF16(input.text()), options,
           &request_consumer_,
           NewCallback(this, &HistoryContentsProvider::QueryComplete));
@@ -183,34 +183,15 @@ void HistoryContentsProvider::ConvertResults() {
     result_refs.push_back(ref);
   }
 
-  // Get the top matches and add them. Always do max number of matches the popup
-  // will show plus one. This ensures that if the other providers provide the
-  // exact same set of results, and the db only has max_matches + 1 results
-  // available for this query, we know the last one.
-  //
-  // This is done to avoid having the history search shortcut show
-  // 'See 1 previously viewed ...'.
-  //
-  // Note that AutocompleteResult::kMaxMatches (maximum size of the popup)
-  // is different than both kMaxMatches (the provider's maximum) and
-  // kMaxMatchCount (the number of items we want from the history).
-  size_t max_for_popup = std::min(AutocompleteResult::kMaxMatches + 1,
-                                  result_refs.size());
+  // Get the top matches and add them.
   size_t max_for_provider = std::min(kMaxMatches, result_refs.size());
-  std::partial_sort(result_refs.begin(), result_refs.begin() + max_for_popup,
+  std::partial_sort(result_refs.begin(), result_refs.begin() + max_for_provider,
                     result_refs.end(), &CompareMatchRelevance);
   matches_.clear();
-  for (size_t i = 0; i < max_for_popup; i++) {
+  for (size_t i = 0; i < max_for_provider; i++) {
     matches_.push_back(ResultToMatch(*result_refs[i].result,
                                      result_refs[i].relevance));
   }
-
-  // We made more matches than the autocomplete service requested for this
-  // provider (see previous comment). We invert the weights for the items
-  // we want to get removed, but preserve their magnitude which will be used
-  // to fill them in with our other results.
-  for (size_t i = max_for_provider; i < max_for_popup; i++)
-      matches_[i].relevance = -matches_[i].relevance;
 }
 
 static bool MatchInTitle(const history::URLResult& result) {