Move Time, TimeDelta and TimeTicks into namespace base.

chrome/browser/history/visit_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 <algorithm>
 #include <limits>
 #include <map>
 #include <set>
 
 #include "chrome/browser/history/visit_database.h"
 
 #include "chrome/browser/history/url_database.h"
 #include "chrome/common/page_transition_types.h"
 
+using base::Time;
+
 // Rows, in order, of the visit table.
 #define HISTORY_VISIT_ROW_FIELDS \
   " id,url,visit_time,from_visit,transition,segment_id,is_indexed "
 
 namespace history {
 
 VisitDatabase::VisitDatabase() {
 }
 
 VisitDatabase::~VisitDatabase() {
@@ skipping 333 matching lines @@
     *count = 0;
     return true;
   }
 
   *first_visit = Time::FromInternalValue(statement->column_int64(0));
   *count = statement->column_int(1);
   return true;
 }
 
 }  // namespace history
-