Move Time, TimeDelta and TimeTicks into namespace base.

chrome/browser/session_service_test_helper.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/session_service_test_helper.h"
 
 #include "chrome/browser/session_backend.h"
 #include "chrome/browser/session_service.h"
 #include "chrome/common/scoped_vector.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
+using base::Time;
+
 void SessionServiceTestHelper::RestoreSessionFromCommands(
     const std::vector<SessionCommand*>& commands,
     std::vector<SessionWindow*>* valid_windows) {
   service()->RestoreSessionFromCommands(commands, valid_windows);
 }
 
 void SessionServiceTestHelper::PrepareTabInWindow(const SessionID& window_id,
                                                   const SessionID& tab_id,
                                                   int visual_index,
                                                   bool select) {
@@ skipping 48 matching lines @@
     int nav_count) {
   ASSERT_EQ(1, windows.size());
   EXPECT_EQ(1, windows[0]->tabs.size());
   EXPECT_EQ(nav_count, windows[0]->tabs[0]->navigations.size());
 }
 
 SessionBackend* SessionServiceTestHelper::backend() {
   return service_->backend_.get();
 }