Move Time, TimeDelta and TimeTicks into namespace base.

chrome/browser/history/visitsegment_database.cc

 // Copyright (c) 2006-2008 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/history/visitsegment_database.h"
 
 #include "base/logging.h"
 #include "base/string_util.h"
 #include "chrome/browser/history/page_usage_data.h"
 #include "chrome/common/sqlite_compiled_statement.h"
 #include "chrome/common/sqlite_utils.h"
 
+using base::Time;
+
 // The following tables are used to store url segment information.
 //
 // segments
 //   id                 Primary key
 //   name               A unique string to represent that segment. (URL derived)
 //   url_id             ID of the url currently used to represent this segment.
 //   pres_index         index used to store a fixed presentation position.
 //
 // segment_usage
 //   id                 Primary key
@@ skipping 356 matching lines @@
       NOTREACHED();
       r = false;
     }
     delete_usage->reset();
     delete_seg->reset();
   }
   return r;
 }
 
 }  // namespace history
-