Remove unloaded profile hash store initialization,

chrome/browser/prefs/tracked/hash_store_contents.h

 // 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_HASH_STORE_CONTENTS_H_
 #define CHROME_BROWSER_PREFS_TRACKED_HASH_STORE_CONTENTS_H_
 
 #include <string>
 
 #include "base/memory/scoped_ptr.h"
@@ skipping 27 matching lines @@
 
   // Returns the hash-store ID. May be empty.
   virtual std::string hash_store_id() const = 0;
 
   // Discards all data related to this hash store.
   virtual void Reset() = 0;
 
   // Indicates whether any data is currently stored for this hash store.
   virtual bool IsInitialized() const = 0;
 
-  // Retrieves a version number previously associated with this hash store via
-  // SetVersion. Returns false if no version number has been stored.
-  virtual bool GetVersion(int* version) const = 0;
-
-  // Associates a version number wih this hash store.
-  virtual void SetVersion(int version) = 0;
-
   // Retrieves the contents of this hash store. May return NULL if the hash
   // store has not been initialized.
   virtual const base::DictionaryValue* GetContents() const = 0;
 
   // Provides mutable access to the contents of this hash store.
   virtual scoped_ptr<MutableDictionary> GetMutableContents() = 0;
 
   // Retrieves the super MAC value previously stored by SetSuperMac. May be
   // empty if no super MAC has been stored.
   virtual std::string GetSuperMac() const = 0;
 
   // Stores a super MAC value for this hash store.
   virtual void SetSuperMac(const std::string& super_mac) = 0;
 
   // Commit pending writes to this hash store's contents.
   virtual void CommitPendingWrite() = 0;
 };
 
 #endif  // CHROME_BROWSER_PREFS_TRACKED_HASH_STORE_CONTENTS_H_