Move Time, TimeDelta and TimeTicks into namespace base.

net/disk_cache/mem_entry_impl.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 "net/disk_cache/mem_entry_impl.h"
 
 #include "net/base/net_errors.h"
 #include "net/disk_cache/mem_backend_impl.h"
 
+using base::Time;
+
 namespace disk_cache {
 
 MemEntryImpl::MemEntryImpl(MemBackendImpl* backend) {
   doomed_ = false;
   backend_ = backend;
   ref_count_ = 0;
   data_size_[0] = data_size_[1] = 0;
 }
 
 MemEntryImpl::~MemEntryImpl() {
@@ skipping 147 matching lines @@
 
   if (modified)
     last_modified_ = current;
 
   if (!doomed_)
     backend_->UpdateRank(this);
 }
 
 }  // namespace disk_cache