History UI: Apply the pref that prohibits deleting browsing and download history.

chrome/browser/ui/webui/history_ui.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.
 
 #ifndef CHROME_BROWSER_UI_WEBUI_HISTORY_UI_H_
 #define CHROME_BROWSER_UI_WEBUI_HISTORY_UI_H_
 
 #include "base/string16.h"
 #include "base/timer.h"
 #include "base/values.h"
@@ skipping 74 matching lines @@
 
   BrowsingHistoryHandler();
   virtual ~BrowsingHistoryHandler();
 
   // WebUIMessageHandler implementation.
   virtual void RegisterMessages() OVERRIDE;
 
   // Handler for the "queryHistory" message.
   void HandleQueryHistory(const base::ListValue* args);
 
-  // Handler for the "removeUrlsOnOneDay" message.
-  void HandleRemoveUrlsOnOneDay(const base::ListValue* args);
-
   // Handler for the "removeVisits" message.
   void HandleRemoveVisits(const base::ListValue* args);
 
   // Handler for "clearBrowsingData" message.
   void HandleClearBrowsingData(const base::ListValue* args);
 
   // Handler for "removeBookmark" message.
   void HandleRemoveBookmark(const base::ListValue* args);
 
 #if !defined(OS_ANDROID)
@@ skipping 122 matching lines @@
   static const GURL GetHistoryURLWithSearchText(const string16& text);
 
   static base::RefCountedMemory* GetFaviconResourceBytes(
       ui::ScaleFactor scale_factor);
 
  private:
   DISALLOW_COPY_AND_ASSIGN(HistoryUI);
 };
 
 #endif  // CHROME_BROWSER_UI_WEBUI_HISTORY_UI_H_