Deprecate NonThreadSafe in storage/browser/quota in favor of SequenceChecker.

storage/browser/quota/quota_temporary_storage_evictor.h

 // Copyright 2013 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 STORAGE_BROWSER_QUOTA_QUOTA_TEMPORARY_STORAGE_EVICTOR_H_
 #define STORAGE_BROWSER_QUOTA_QUOTA_TEMPORARY_STORAGE_EVICTOR_H_
 
 #include <stdint.h>
 
 #include <map>
 #include <set>
 #include <string>
 
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
-#include "base/threading/non_thread_safe.h"
+#include "base/sequence_checker.h"
 #include "base/timer/timer.h"
 #include "storage/browser/storage_browser_export.h"
 #include "storage/common/quota/quota_types.h"
 
 class GURL;
 
 namespace content {
 class QuotaTemporaryStorageEvictorTest;
 }
 
 namespace storage {
 
 class QuotaEvictionHandler;
 struct QuotaSettings;
 
-class STORAGE_EXPORT QuotaTemporaryStorageEvictor : public base::NonThreadSafe {
+class STORAGE_EXPORT QuotaTemporaryStorageEvictor {
  public:
   struct Statistics {
     Statistics()
         : num_errors_on_evicting_origin(0),
           num_errors_on_getting_usage_and_quota(0),
           num_evicted_origins(0),
           num_eviction_rounds(0),
           num_skipped_eviction_rounds(0) {}
     int64_t num_errors_on_evicting_origin;
     int64_t num_errors_on_getting_usage_and_quota;
@@ skipping 60 matching lines @@
   EvictionRoundStatistics round_statistics_;
   base::Time time_of_end_of_last_nonskipped_round_;
   base::Time time_of_end_of_last_round_;
   std::set<GURL> in_progress_eviction_origins_;
 
   int64_t interval_ms_;
   bool timer_disabled_for_testing_;
 
   base::OneShotTimer eviction_timer_;
   base::RepeatingTimer histogram_timer_;
+
+  SEQUENCE_CHECKER(sequence_checker_);
+
   base::WeakPtrFactory<QuotaTemporaryStorageEvictor> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(QuotaTemporaryStorageEvictor);
 };
 
 }  // namespace storage
 
 #endif  // STORAGE_BROWSER_QUOTA_QUOTA_TEMPORARY_STORAGE_EVICTOR_H_