Use a direct include of time headers in chrome/browser/, part 4.

chrome/browser/policy/policy_statistics_collector.h

 // Copyright (c) 2012 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.
 
 #ifndef CHROME_BROWSER_POLICY_POLICY_STATISTICS_COLLECTOR_H_
 #define CHROME_BROWSER_POLICY_POLICY_STATISTICS_COLLECTOR_H_
 
 #include "base/basictypes.h"
 #include "base/cancelable_callback.h"
 #include "base/memory/ref_counted.h"
-#include "base/time.h"
+#include "base/time/time.h"
 
 class PrefService;
 class PrefRegistrySimple;
 
 namespace base {
 class TaskRunner;
 }
 
 namespace policy {
 
@@ skipping 33 matching lines @@
   base::CancelableClosure update_callback_;
 
   const scoped_refptr<base::TaskRunner> task_runner_;
 
   DISALLOW_COPY_AND_ASSIGN(PolicyStatisticsCollector);
 };
 
 }  // namespace policy
 
 #endif  // CHROME_BROWSER_POLICY_POLICY_STATISTICS_COLLECTOR_H_