| Index: chrome/browser/prefs/tracked/tracked_atomic_preference.h | 
| diff --git a/chrome/browser/prefs/tracked/tracked_atomic_preference.h b/chrome/browser/prefs/tracked/tracked_atomic_preference.h | 
| deleted file mode 100644 | 
| index 4c27b063c161e263bcd2e37562d2265e5c09261c..0000000000000000000000000000000000000000 | 
| --- a/chrome/browser/prefs/tracked/tracked_atomic_preference.h | 
| +++ /dev/null | 
| @@ -1,44 +0,0 @@ | 
| -// Copyright 2014 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_PREFS_TRACKED_TRACKED_ATOMIC_PREFERENCE_H_ | 
| -#define CHROME_BROWSER_PREFS_TRACKED_TRACKED_ATOMIC_PREFERENCE_H_ | 
| - | 
| -#include <string> | 
| - | 
| -#include "base/compiler_specific.h" | 
| -#include "base/macros.h" | 
| -#include "chrome/browser/prefs/tracked/pref_hash_filter.h" | 
| -#include "chrome/browser/prefs/tracked/tracked_preference.h" | 
| -#include "chrome/browser/prefs/tracked/tracked_preference_helper.h" | 
| - | 
| -class TrackedPreferenceValidationDelegate; | 
| - | 
| -// A TrackedAtomicPreference is tracked as a whole. A hash is stored for its | 
| -// entire value and it is entirely reset on mismatch. An optional delegate is | 
| -// notified of the status of the preference during enforcement. | 
| -class TrackedAtomicPreference : public TrackedPreference { | 
| - public: | 
| -  TrackedAtomicPreference(const std::string& pref_path, | 
| -                          size_t reporting_id, | 
| -                          size_t reporting_ids_count, | 
| -                          PrefHashFilter::EnforcementLevel enforcement_level, | 
| -                          PrefHashFilter::ValueType value_type, | 
| -                          TrackedPreferenceValidationDelegate* delegate); | 
| - | 
| -  // TrackedPreference implementation. | 
| -  void OnNewValue(const base::Value* value, | 
| -                  PrefHashStoreTransaction* transaction) const override; | 
| -  bool EnforceAndReport(base::DictionaryValue* pref_store_contents, | 
| -                        PrefHashStoreTransaction* transaction) const override; | 
| - | 
| - private: | 
| -  const std::string pref_path_; | 
| -  const TrackedPreferenceHelper helper_; | 
| -  TrackedPreferenceValidationDelegate* delegate_; | 
| - | 
| -  DISALLOW_COPY_AND_ASSIGN(TrackedAtomicPreference); | 
| -}; | 
| - | 
| -#endif  // CHROME_BROWSER_PREFS_TRACKED_TRACKED_ATOMIC_PREFERENCE_H_ | 
|  |