Move Time, TimeDelta and TimeTicks into namespace base.

chrome/browser/session_backend.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_backend.h"
 
 #include <limits>
 
 #include "base/file_util.h"
 #include "base/histogram.h"
 #include "base/pickle.h"
 #include "chrome/common/scoped_vector.h"
 
+using base::TimeTicks;
+
 // File version number.
 static const int32 kFileCurrentVersion = 1;
 
 // The signature at the beginning of the file = SSNS (Sessions).
 static const int32 kFileSignature = 0x53534E53;
 
 namespace {
 
 // SessionFileReader ----------------------------------------------------------
 
@@ skipping 344 matching lines @@
   std::wstring path = path_to_dir_;
   file_util::AppendToPath(&path, kSavedSessionFileName);
   return path;
 }
 
 std::wstring SessionBackend::GetCurrentSessionPath() {
   std::wstring path = path_to_dir_;
   file_util::AppendToPath(&path, kCurrentSessionFileName);
   return path;
 }
-