Removed local RefPtr objects created from PassRefPtr arguments.

third_party/WebKit/Source/platform/loader/fetch/CrossOriginAccessControl.cpp

 /*
  * Copyright (C) 2008 Apple Inc. All Rights Reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 454 matching lines @@
           "' contains a username and password, which is disallowed for"
           " cross-origin requests.");
       return;
     }
     default:
       NOTREACHED();
   }
 }
 
 bool CrossOriginAccessControl::HandleRedirect(
-    PassRefPtr<SecurityOrigin> security_origin,
+    RefPtr<SecurityOrigin> current_security_origin,
     ResourceRequest& new_request,
     const ResourceResponse& redirect_response,
     StoredCredentials with_credentials,
     ResourceLoaderOptions& options,
     String& error_message) {
   // http://www.w3.org/TR/cors/#redirect-steps terminology:
   const KURL& last_url = redirect_response.Url();
   const KURL& new_url = new_request.Url();
 
-  RefPtr<SecurityOrigin> current_security_origin = security_origin;
-
   RefPtr<SecurityOrigin> new_security_origin = current_security_origin;
 
   // TODO(tyoshino): This should be fixed to check not only the last one but
   // all redirect responses.
   if (!current_security_origin->CanRequest(last_url)) {
     // Follow http://www.w3.org/TR/cors/#redirect-steps
     CrossOriginAccessControl::RedirectStatus redirect_status =
         CrossOriginAccessControl::CheckRedirectLocation(new_url);
     if (redirect_status != kRedirectSuccess) {
       StringBuilder builder;
@@ skipping 40 matching lines @@
     //
     // This is equivalent to the step 2 in
     // https://fetch.spec.whatwg.org/#http-network-or-cache-fetch
     if (options.credentials_requested == kClientDidNotRequestCredentials)
       options.allow_credentials = kDoNotAllowStoredCredentials;
   }
   return true;
 }
 
 }  // namespace blink