Remove TopSites::IsEnabled() as well as related dead code.

chrome/browser/dom_ui/most_visited_handler.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.
 
 #ifndef CHROME_BROWSER_DOM_UI_MOST_VISITED_HANDLER_H_
 #define CHROME_BROWSER_DOM_UI_MOST_VISITED_HANDLER_H_
 #pragma once
 
 #include <string>
 #include <vector>
@@ skipping 55 matching lines @@
   // Returns a vector containing the urls for the prepopulated pages.
   // Used only in testing.
   static std::vector<GURL> GetPrePopulatedUrls();
 
  private:
   struct MostVisitedPage;
 
   // Send a request to the HistoryService to get the most visited pages.
   void StartQueryForMostVisited();
 
-  // Callback from the history system when the most visited list is available.
-  void OnSegmentUsageAvailable(CancelableRequestProvider::Handle handle,
-                               std::vector<PageUsageData*>* data);
-
-  // Sets pages_value_ from a vector of URLs.
-  void SetPagesValue(std::vector<PageUsageData*>* data);
-
   // Sets pages_value_ from a format produced by TopSites.
   void SetPagesValueFromTopSites(const history::MostVisitedURLList& data);
 
   // Callback for TopSites.
   void OnMostVisitedURLsAvailable(const history::MostVisitedURLList& data);
 
   // Puts the passed URL in the blacklist (so it does not show as a thumbnail).
   void BlacklistURL(const GURL& url);
 
   // Returns the key used in url_blacklist_ and pinned_urls_ for the passed
   // |url|.
   std::string GetDictionaryKeyForURL(const std::string& url);
 
   // Gets the page data for a pinned URL at a given index. This returns
   // true if found.
   bool GetPinnedURLAtIndex(int index, MostVisitedPage* page);
 
   void AddPinnedURL(const MostVisitedPage& page, int index);
   void RemovePinnedURL(const GURL& url);
 
   // Sends pages_value_ to the javascript side to and resets page_value_.
   void SendPagesValue();
 
   // Returns true if we should treat this as the first run of the new tab page.
   bool IsFirstRun();
 
-  // Adds the fields in the page to the dictionary.
-  static void SetMostVisistedPage(
-      DictionaryValue* dict,
-      const MostVisitedHandler::MostVisitedPage& page);
-
   static const std::vector<MostVisitedPage>& GetPrePopulatedPages();
 
   NotificationRegistrar registrar_;
 
   // Our consumer for the history service.
   CancelableRequestConsumerTSimple<PageUsageData*> cancelable_consumer_;
   CancelableRequestConsumer topsites_consumer_;
 
   // The most visited URLs, in priority order.
   // Only used for matching up clicks on the page to which most visited entry
@@ skipping 15 matching lines @@
   // we get the first getMostVisited() call.
   bool got_first_most_visited_request_;
 
   // Keep the results of the db query here.
   scoped_ptr<ListValue> pages_value_;
 
   DISALLOW_COPY_AND_ASSIGN(MostVisitedHandler);
 };
 
 #endif  // CHROME_BROWSER_DOM_UI_MOST_VISITED_HANDLER_H_