Move Time, TimeDelta and TimeTicks into namespace base.

chrome/browser/history/expire_history_backend_unittest.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 "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/file_util.h"
 #include "base/path_service.h"
 #include "base/scoped_ptr.h"
 #include "chrome/browser/bookmarks/bookmark_model.h"
 #include "chrome/browser/history/archived_database.h"
 #include "chrome/browser/history/expire_history_backend.h"
 #include "chrome/browser/history/history_database.h"
 #include "chrome/browser/history/text_database_manager.h"
 #include "chrome/browser/history/thumbnail_database.h"
 #include "chrome/common/jpeg_codec.h"
 #include "chrome/common/notification_service.h"
 #include "chrome/common/thumbnail_score.h"
 #include "chrome/tools/profiles/thumbnail-inl.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "SkBitmap.h"
 
+using base::Time;
+using base::TimeDelta;
+using base::TimeTicks;
+
 // The test must be in the history namespace for the gtest forward declarations
 // to work. It also eliminates a bunch of ugly "history::".
 namespace history {
 
 // ExpireHistoryTest -----------------------------------------------------------
 
 class ExpireHistoryTest : public testing::Test,
                           public BroadcastNotificationDelegate {
  public:
   ExpireHistoryTest()
@@ skipping 656 matching lines @@
   // (max deleted).
   EXPECT_TRUE(expirer_.ArchiveSomeOldHistory(visit_times[2], 1));
 }
 
 // TODO(brettw) add some visits with no URL to make sure everything is updated
 // properly. Have the visits also refer to nonexistant FTS rows.
 //
 // Maybe also refer to invalid favicons.
 
 }  // namespace history