Template methods on Timer classes instead of the classes themselves.

chrome/browser/renderer_context_menu/spelling_menu_observer.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_RENDERER_CONTEXT_MENU_SPELLING_MENU_OBSERVER_H_
 #define CHROME_BROWSER_RENDERER_CONTEXT_MENU_SPELLING_MENU_OBSERVER_H_
 
 #include <vector>
 
 #include "base/compiler_specific.h"
@@ skipping 41 matching lines @@
 
   // A callback function called when the Spelling service finishes checking a
   // misspelled word.
   void OnTextCheckComplete(
       SpellingServiceClient::ServiceType type,
       bool success,
       const base::string16& text,
       const std::vector<SpellCheckResult>& results);
 
  private:
-  // The callback function for base::RepeatingTimer<SpellingMenuClient>. This
-  // function updates the "loading..." animation in the context-menu item.
+  // The callback function for base::RepeatingTimer. This function updates the
+  // "loading..." animation in the context-menu item.
   void OnAnimationTimerExpired();
 
   // The interface to add a context-menu item and update it. This class uses
   // this interface to avoid accesing context-menu items directly.
   RenderViewContextMenuProxy* proxy_;
 
   // Suggested words from the local spellchecker. If the spelling service
   // returns a word in this list, we hide the context-menu item to prevent
   // showing the same word twice.
   std::vector<base::string16> suggestions_;
@@ skipping 23 matching lines @@
   // text. Until we receive a response from the Spelling service, this string
   // stores the input string. (Since the Spelling service sends only misspelled
   // words, we replace these misspelled words in the input text with the
   // suggested words to create suggestion text.
   base::string16 result_;
 
   // The URLFetcher object used for sending a JSON-RPC request.
   scoped_ptr<SpellingServiceClient> client_;
 
   // A timer used for loading animation.
-  base::RepeatingTimer<SpellingMenuObserver> animation_timer_;
+  base::RepeatingTimer animation_timer_;
 
   // Flag indicating whether online spelling correction service is enabled. When
   // this variable is true and we right-click a misspelled word, we send a
   // JSON-RPC request to the service and retrieve suggestions.
   BooleanPrefMember integrate_spelling_service_;
 
   // Flag indicating whether automatic spelling correction is enabled.
   BooleanPrefMember autocorrect_spelling_;
 
   DISALLOW_COPY_AND_ASSIGN(SpellingMenuObserver);
 };
 
 #endif  // CHROME_BROWSER_RENDERER_CONTEXT_MENU_SPELLING_MENU_OBSERVER_H_