importer: Cleanup, remove all remaining using declarations.

chrome/browser/importer/mork_reader.cc

 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
 /* ***** BEGIN LICENSE BLOCK *****
  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
  *
  * The contents of this file are subject to the Mozilla Public License Version
  * 1.1 (the "License"); you may not use this file except in compliance with
  * the License. You may obtain a copy of the License at
  * http://www.mozilla.org/MPL/
  *
  * Software distributed under the License is distributed on an "AS IS" basis,
@@ skipping 37 matching lines @@
 #include "base/i18n/icu_string_conversions.h"
 #include "base/logging.h"
 #include "base/message_loop.h"
 #include "base/string_number_conversions.h"
 #include "base/string_util.h"
 #include "base/values.h"
 #include "chrome/browser/history/history_types.h"
 #include "chrome/browser/importer/firefox_importer_utils.h"
 #include "chrome/browser/importer/importer_bridge.h"
 
-using base::Time;
-
 namespace {
 
 // Convert a hex character (0-9, A-F) to its corresponding byte value.
 // Returns -1 if the character is invalid.
 inline int HexCharToInt(char c) {
   if ('0' <= c && c <= '9')
     return c - '0';
   if ('A' <= c && c <= 'F')
     return c - 'A' + 10;
   return -1;
@@ skipping 457 matching lines @@
     row.set_title(title);
 
     int count = atoi(values[kVisitCountColumn].c_str());
     if (count == 0)
       count = 1;
     row.set_visit_count(count);
 
     int64 date;
     base::StringToInt64(values[kLastVisitColumn], &date);
     if (date != 0)
-      row.set_last_visit(Time::FromTimeT(date / 1000000));
+      row.set_last_visit(base::Time::FromTimeT(date / 1000000));
 
     bool is_typed = (values[kTypedColumn] == "1");
     if (is_typed)
       row.set_typed_count(1);
 
     rows->push_back(row);
   }
 }
 
 // It sets up the file stream and loops over the lines in the file to
@@ skipping 30 matching lines @@
       data.swap_bytes = (byte_order_value == "BE");
     }
   }
 
   std::vector<history::URLRow> rows;
   for (MorkReader::iterator i = reader.begin(); i != reader.end(); ++i)
     AddToHistory(i->second, data, &rows);
   if (!rows.empty())
     bridge->SetHistoryItems(rows, history::SOURCE_FIREFOX_IMPORTED);
 }