Componentize ScoredHistoryMatch

chrome/browser/autocomplete/history_quick_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_QUICK_PROVIDER_H_
 #define CHROME_BROWSER_AUTOCOMPLETE_HISTORY_QUICK_PROVIDER_H_
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "chrome/browser/autocomplete/history_provider.h"
 #include "chrome/browser/history/in_memory_url_index.h"
 #include "components/history/core/browser/history_types.h"
 #include "components/omnibox/autocomplete_input.h"
 #include "components/omnibox/autocomplete_match.h"
 
 class Profile;
 
 namespace history {
 class ScoredHistoryMatch;
+class ScoredHistoryMatchClient;
 }  // namespace history
 
 // This class is an autocomplete provider (a pseudo-internal component of
 // the history system) which quickly (and synchronously) provides matching
 // results from recently or frequently visited sites in the profile's
 // history.
 class HistoryQuickProvider : public HistoryProvider {
  public:
   explicit HistoryQuickProvider(Profile* profile);
 
@@ skipping 27 matching lines @@
       int score);
 
   // Returns the index that should be used for history lookups.
   history::InMemoryURLIndex* GetIndex();
 
   // Only for use in unittests.  Takes ownership of |index|.
   void set_index(history::InMemoryURLIndex* index) {
     index_for_testing_.reset(index);
   }
 
+  // Returns the ScoredHistoryMatchClient, lazily constructing it if necessary.
+  const history::ScoredHistoryMatchClient* GetScoredHistoryMatchClient();
+
   AutocompleteInput autocomplete_input_;
   std::string languages_;
 
+  // Used for computing ScoredHistoryMatches.
+  scoped_ptr<history::ScoredHistoryMatchClient> scored_history_match_client_;
+
   // Only used for testing.
   scoped_ptr<history::InMemoryURLIndex> index_for_testing_;
 
   // This provider is disabled when true.
   static bool disabled_;
 
   DISALLOW_COPY_AND_ASSIGN(HistoryQuickProvider);
 };
 
 #endif  // CHROME_BROWSER_AUTOCOMPLETE_HISTORY_QUICK_PROVIDER_H_