Chrome Settings Hardening

chrome/browser/prefs/pref_hash_store.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 CHROME_BROWSER_PREFS_PREF_HASH_STORE_H_
 #define CHROME_BROWSER_PREFS_PREF_HASH_STORE_H_
 
 #include <string>
 
 #include "base/memory/scoped_ptr.h"
 
-class PrefHashTracker;
-
 namespace base {
 class Value;
 }  // namespace base
 
 // Stores hashes of and verifies preference values. To use, first call
 // |InitializeTrackedValue| with each preference that should be tracked. Then
 // call |OnPrefValueChanged| to update the hash store when preference values
 // change.
 class PrefHashStore {
  public:
@@ skipping 10 matching lines @@
     // The preference value has been changed since the last hash.
     CHANGED,
     // No stored hash exists for the preference value.
     UNKNOWN_VALUE,
   };
 
   // Checks |initial_value| against the existing stored value hash.
   virtual ValueState CheckValue(
       const std::string& path, const base::Value* initial_value) const = 0;
 
-  // Stores a hash of the current value of the preference at |path|.
+  // Stores a hash of the current |value| of the preference at |path|.
   virtual void StoreHash(const std::string& path,
                          const base::Value* value) = 0;
 };
 
 #endif  // CHROME_BROWSER_PREFS_PREF_HASH_STORE_H_