Move constants used by history component to history namespace

chrome/browser/history/history_service.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_HISTORY_HISTORY_SERVICE_H_
 #define CHROME_BROWSER_HISTORY_HISTORY_SERVICE_H_
 
 #include <set>
 #include <vector>
 
@@ skipping 474 matching lines @@
                           int visit_count,
                           int typed_count,
                           base::Time last_visit,
                           bool hidden,
                           history::VisitSource visit_source);
 
   // The same as AddPageWithDetails() but takes a vector.
   void AddPagesWithDetails(const history::URLRows& info,
                            history::VisitSource visit_source);
 
-  // Returns true if this looks like the type of URL we want to add to the
-  // history. We filter out some URLs such as JavaScript.
-  static bool CanAddURL(const GURL& url);
-
   // Returns the HistoryClient.
   history::HistoryClient* history_client() { return history_client_; }
 
   base::WeakPtr<HistoryService> AsWeakPtr();
 
   // syncer::SyncableService implementation.
   syncer::SyncMergeResult MergeDataAndStartSyncing(
       syncer::ModelType type,
       const syncer::SyncDataList& initial_sync_data,
       scoped_ptr<syncer::SyncChangeProcessor> sync_processor,
@@ skipping 388 matching lines @@
 
   history::DeleteDirectiveHandler delete_directive_handler_;
 
   // All vended weak pointers are invalidated in Cleanup().
   base::WeakPtrFactory<HistoryService> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(HistoryService);
 };
 
 #endif  // CHROME_BROWSER_HISTORY_HISTORY_SERVICE_H_