Pepper: Always call status_cb in FileDownloader.

components/nacl/renderer/file_downloader.cc

 // Copyright 2014 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 "components/nacl/renderer/file_downloader.h"
 
 #include "base/callback.h"
 #include "components/nacl/renderer/nexe_load_manager.h"
 #include "net/base/net_errors.h"
 #include "third_party/WebKit/public/platform/WebURLError.h"
@@ skipping 75 matching lines @@
     switch (error.reason) {
       case net::ERR_ACCESS_DENIED:
       case net::ERR_NETWORK_ACCESS_DENIED:
         status_ = ACCESS_DENIED;
         break;
     }
   } else {
     // It's a WebKit error.
     status_ = ACCESS_DENIED;
   }
+
+  // Delete url_loader to prevent didFinishLoading from being called, which
+  // some implementations of blink::WebURLLoader will do after calling didFail.
+  url_loader_.reset();
+
+  status_cb_.Run(status_, file_.Pass(), http_status_code_);
+  delete this;
 }
 
 }  // namespace nacl