Remove the unused enlarge.

chrome/browser/safe_browsing/safe_browsing_util.h

 // Copyright (c) 2010 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.
 //
 // Utilities for the SafeBrowsing code.
 
 #ifndef CHROME_BROWSER_SAFE_BROWSING_SAFE_BROWSING_UTIL_H_
 #define CHROME_BROWSER_SAFE_BROWSING_SAFE_BROWSING_UTIL_H_
 #pragma once
 
@@ skipping 139 matching lines @@
 
   // Frees the entry's memory.
   void Destroy();
 
   void set_list_id(int list_id) { data_.list_id = list_id; }
   int list_id() const { return data_.list_id; }
   void set_chunk_id(int chunk_id) { data_.chunk_id = chunk_id; }
   int chunk_id() const { return data_.chunk_id; }
   int prefix_count() const { return data_.prefix_count; }
 
-  // Returns a new entry that is larger by the given number of prefixes, with
-  // all the existing data already copied over.  The old entry is destroyed.
-  SBEntry* Enlarge(int extra_prefixes);
-
   // Returns true if this is a prefix as opposed to a full hash.
   bool IsPrefix() const {
     return type() == ADD_PREFIX || type() == SUB_PREFIX;
   }
 
   // Returns true if this is an add entry.
   bool IsAdd() const {
     return type() == ADD_PREFIX || type() == ADD_FULL_HASH;
   }
 
@@ skipping 134 matching lines @@
                const std::string& mac,
                const char* data,
                int data_length);
 
 GURL GeneratePhishingReportUrl(const std::string& report_page,
                                const std::string& url_to_report);
 
 }  // namespace safe_browsing_util
 
 #endif  // CHROME_BROWSER_SAFE_BROWSING_SAFE_BROWSING_UTIL_H_