DOMUI Cert manager: fix personal cert export error dialog not appearing.

chrome/browser/dom_ui/options/certificate_manager_handler.cc

 // Copyright (c) 2010 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/dom_ui/options/certificate_manager_handler.h"
 
 #include "app/l10n_util.h"
 #include "app/l10n_util_collator.h"
 #include "base/file_util.h"  // for FileAccessProvider
 #include "base/safe_strerror_posix.h"
@@ skipping 515 matching lines @@
     dom_ui_->CallJavascriptFunction(L"CertificateRestoreOverlay.dismiss");
     ImportExportCleanup();
     return;
   }
   std::string output;
   int num_exported = certificate_manager_model_->cert_db().ExportToPKCS12(
       selected_cert_list_,
       password_,
       &output);
   if (!num_exported) {
+    dom_ui_->CallJavascriptFunction(L"CertificateRestoreOverlay.dismiss");
     ShowError(
         l10n_util::GetStringUTF8(IDS_CERT_MANAGER_PKCS12_EXPORT_ERROR_TITLE),
         l10n_util::GetStringUTF8(IDS_CERT_MANAGER_UNKNOWN_ERROR));
-    dom_ui_->CallJavascriptFunction(L"CertificateRestoreOverlay.dismiss");
     ImportExportCleanup();
     return;
   }
   file_access_provider_->StartWrite(
       file_path_,
       output,
       &consumer_,
       NewCallback(this, &CertificateManagerHandler::ExportPersonalFileWritten));
 }
 
@@ skipping 343 matching lines @@
   StringValue error_value(error);
   dom_ui_->CallJavascriptFunction(L"CertificateImportErrorOverlay.show",
                                   title_value,
                                   error_value,
                                   cert_error_list);
 }
 
 gfx::NativeWindow CertificateManagerHandler::GetParentWindow() const {
   return dom_ui_->tab_contents()->view()->GetTopLevelNativeWindow();
 }