Fixed close button for retina displays in identity approval scope UI

chrome/common/extensions/api/identity_private.idl

 // Copyright (c) 2013 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.
 
 // identityPrivate.
 namespace identityPrivate {
 
-  callback GetResourcesCallback = void (object result);
+  callback GetStringsCallback = void (object result);
 
   interface Functions {
-    // Gets resources required to render the API.
+    // Gets localized strings required to render the API.
     //
     // |callback| : Called with a dictionary mapping names to resource strings.
-    static void getResources(GetResourcesCallback callback);
+    static void getStrings(GetStringsCallback callback);
   };
 
   interface Events {
     // Fired when a web flow dialog should be displayed.
     static void onWebFlowRequest(DOMString key, DOMString url, DOMString mode);
   };
 };