Omnibox: Make HistoryURL Highlight Titles like HistoryQuick Provider

chrome/browser/autocomplete/history_url_provider.h

 // 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.
 
 #ifndef CHROME_BROWSER_AUTOCOMPLETE_HISTORY_URL_PROVIDER_H_
 #define CHROME_BROWSER_AUTOCOMPLETE_HISTORY_URL_PROVIDER_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 273 matching lines @@
                                    size_t source_index,
                                    const std::vector<GURL>& remove) const;
 
   // Converts a line from the database into an autocomplete match for display.
   AutocompleteMatch HistoryMatchToACMatch(
       const HistoryURLProviderParams& params,
       const history::HistoryMatch& history_match,
       MatchType match_type,
       int relevance);
 
+  // Returns a set of classifications that highlight all the occurrences
+  // of |input_text| at word breaks in |description|.
+  static ACMatchClassifications ClassifyDescription(
+      const string16& input_text,
+      const string16& description);
+
   // Params for the current query.  The provider should not free this directly;
   // instead, it is passed as a parameter through the history backend, and the
   // parameter itself is freed once it's no longer needed.  The only reason we
   // keep this member is so we can set the cancel bit on it.
   HistoryURLProviderParams* params_;
 
   // If true, HistoryURL provider should lookup and cull redirects.  If
   // false, it returns matches that may be redirects to each other and
   // simply hopes the default AutoCompleteController behavior to remove
   // URLs that are likely duplicates (http://google.com <->
@@ skipping 11 matching lines @@
   // URL-what-you-typed was visited before or not.  If false, the only
   // possible result that HistoryURL provider can return is
   // URL-what-you-typed.  This variable is not part of params_ because
   // it never changes after the HistoryURLProvider is initialized.
   // It's used to aid the transition to get all URLs from history to
   // be scored in the HistoryQuick provider only.
   bool search_url_database_;
 };
 
 #endif  // CHROME_BROWSER_AUTOCOMPLETE_HISTORY_URL_PROVIDER_H_