Switch from chrome://extensions to chrome://settings/extensionSettings.

chrome/browser/ui/webui/ntp/ntp_resource_cache.cc

 // Copyright (c) 2011 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.
 
 #include "chrome/browser/ui/webui/ntp/ntp_resource_cache.h"
 
 #include <algorithm>
 #include <vector>
 
 #include "base/command_line.h"
@@ skipping 234 matching lines @@
   if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kGuestSession)) {
     new_tab_message_ids = IDS_NEW_TAB_GUEST_SESSION_MESSAGE;
     new_tab_html_idr = IDR_GUEST_SESSION_TAB_HTML;
     new_tab_link = kLearnMoreGuestSessionUrl;
   }
 #endif
   localized_strings.SetString("content",
       l10n_util::GetStringFUTF16(new_tab_message_ids,
                                  GetUrlWithLang(GURL(new_tab_link))));
   localized_strings.SetString("extensionsmessage",
-      l10n_util::GetStringFUTF16(IDS_NEW_TAB_OTR_EXTENSIONS_MESSAGE,
-                                 l10n_util::GetStringUTF16(IDS_PRODUCT_NAME),
-                                 ASCIIToUTF16(chrome::kChromeUIExtensionsURL)));
+      l10n_util::GetStringFUTF16(
+          IDS_NEW_TAB_OTR_EXTENSIONS_MESSAGE,
+          l10n_util::GetStringUTF16(IDS_PRODUCT_NAME),
+          ASCIIToUTF16(GURL(chrome::kChromeUISettingsURL).Resolve(
+                           chrome::kExtensionsSubPage).spec())));
   bool bookmark_bar_attached = profile_->GetPrefs()->GetBoolean(
       prefs::kShowBookmarkBar);
   localized_strings.SetString("bookmarkbarattached",
       bookmark_bar_attached ? "true" : "false");
 
   ChromeURLDataManager::DataSource::SetFontAndTextDirection(&localized_strings);
 
   static const base::StringPiece incognito_tab_html(
       ResourceBundle::GetSharedInstance().GetRawDataResource(
           new_tab_html_idr));
@@ skipping 316 matching lines @@
       IDR_NEW_TAB_4_THEME_CSS : IDR_NEW_TAB_THEME_CSS;
   static const base::StringPiece new_tab_theme_css(
       ResourceBundle::GetSharedInstance().GetRawDataResource(
           ntp_css_resource_id));
 
   // Create the string from our template and the replacements.
   std::string css_string;
   css_string = ReplaceStringPlaceholders(new_tab_theme_css, subst, NULL);
   new_tab_css_ = base::RefCountedString::TakeString(&css_string);
 }