bookmarks: Get rid of the dependency on history_notifications.h

chrome/browser/history/history_notifications.h

 // Copyright (c) 2012 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.
 
 // Structs that hold data used in broadcasting notifications.
 
 #ifndef CHROME_BROWSER_HISTORY_HISTORY_NOTIFICATIONS_H__
 #define CHROME_BROWSER_HISTORY_HISTORY_NOTIFICATIONS_H__
 
 #include <set>
@@ skipping 51 matching lines @@
 
   // The URLRows of URLs deleted. This is valid only when |all_history| is false
   // indicating that a subset of history has been deleted.
   URLRows rows;
 
   // The list of deleted favicon urls. This is valid only when |all_history| is
   // false, indicating that a subset of history has been deleted.
   std::set<GURL> favicon_urls;
 };
 
-// Details for NOTIFY_FAVICON_CHANGED.
-struct FaviconChangeDetails : public HistoryDetails {
-  FaviconChangeDetails();
-  virtual ~FaviconChangeDetails();
-
-  std::set<GURL> urls;
-};
-
 // Details for HISTORY_KEYWORD_SEARCH_TERM_UPDATED.
 struct KeywordSearchTermDetails : public HistoryDetails {
   KeywordSearchTermDetails();
   virtual ~KeywordSearchTermDetails();
 
   GURL url;
   TemplateURLID keyword_id;
   string16 term;
 };
 
 }  // namespace history
 
 #endif  // CHROME_BROWSER_HISTORY_HISTORY_NOTIFICATIONS_H__