Simplify Android geolocation permission checks

chrome/browser/media/protected_media_identifier_permission_context.cc

 // Copyright 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.
 
 #include "chrome/browser/media/protected_media_identifier_permission_context.h"
 
 #include <functional>
 #include <string>
 #include <vector>
 
@@ skipping 119 matching lines @@
       PermissionDecided(id, origin, embedder, callback, false);
       break;
     case CONTENT_SETTING_ALLOW:
       PermissionDecided(id, origin, embedder, callback, true);
       break;
     case CONTENT_SETTING_ASK:
       QueueController()->CreateInfoBarRequest(
           id,
           origin,
           embedder,
-          std::string(),
           base::Bind(&ProtectedMediaIdentifierPermissionContext::
                           NotifyPermissionSet,
                      base::Unretained(this),
                      id,
                      origin,
                      callback));
       break;
     default:
       NOTREACHED();
   }
@@ skipping 66 matching lines @@
                    origin));
     return;
   }
   DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
   if (shutting_down_)
     return;
   QueueController()->CancelInfoBarRequest(
       PermissionRequestID(render_process_id, render_view_id, 0,
                           origin));
 }