Cleanup usage of history namespace in components/history

components/history/core/browser/visit_database.cc

 // 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.
 
 #include "components/history/core/browser/visit_database.h"
 
 #include <algorithm>
 #include <limits>
 #include <map>
 #include <set>
@@ skipping 82 matching lines @@
       base::TimeDelta::FromInternalValue(statement.ColumnInt64(6));
 }
 
 // static
 bool VisitDatabase::FillVisitVector(sql::Statement& statement,
                                     VisitVector* visits) {
   if (!statement.is_valid())
     return false;
 
   while (statement.Step()) {
-    history::VisitRow visit;
+    VisitRow visit;
     FillVisitRow(statement, &visit);
     visits->push_back(visit);
   }
 
   return statement.Succeeded();
 }
 
 // static
 bool VisitDatabase::FillVisitVectorWithOptions(sql::Statement& statement,
                                                const QueryOptions& options,
@@ skipping 502 matching lines @@
   while (statement.Step()) {
     BriefVisitInfo info;
     info.url_id = statement.ColumnInt64(0);
     info.time = base::Time::FromInternalValue(statement.ColumnInt64(1));
     info.transition = ui::PageTransitionFromInt(statement.ColumnInt(2));
     result_vector->push_back(info);
   }
 }
 
 }  // namespace history