Hoist TrimHttpPrefix() so we only have one copy, not one per provider....

chrome/browser/autocomplete/search_provider.h

 // Copyright (c) 2009 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.
 //
 // This file contains the Search autocomplete provider.  This provider is
 // responsible for all non-keyword autocomplete entries that start with
 // "Search <engine> for ...", including searching for the current input string,
 // search history, and search suggestions.  An instance of it gets created and
 // managed by the autocomplete controller.
 //
@@ skipping 242 matching lines @@
                      int relevance,
                      AutocompleteMatch::Type type,
                      int accepted_suggestion,
                      bool is_keyword,
                      MatchMap* map);
   // Returns an AutocompleteMatch for a navigational suggestion.
   AutocompleteMatch NavigationToMatch(const NavigationResult& query_string,
                                       int relevance,
                                       bool is_keyword);
 
-  // Trims "http:" and up to two subsequent slashes from |url|.  Returns the
-  // number of characters that were trimmed.
-  // TODO(kochi): this is duplicate from history_autocomplete
-  static size_t TrimHttpPrefix(std::wstring* url);
-
   // Should we query for suggest results immediately? This is normally false,
   // but may be set to true during testing.
   static bool query_suggest_immediately_;
 
   // Maintains the TemplateURLs used.
   Providers providers_;
 
   // The user's input.
   AutocompleteInput input_;
 
@@ skipping 41 matching lines @@
   NavigationResults keyword_navigation_results_;
   NavigationResults default_navigation_results_;
 
   // Whether suggest_results_ is valid.
   bool have_suggest_results_;
 
   DISALLOW_EVIL_CONSTRUCTORS(SearchProvider);
 };
 
 #endif  // CHROME_BROWSER_AUTOCOMPLETE_SEARCH_PROVIDER_H_