[MD Extensions] Include the manifest code snippet in load errors

chrome/browser/ui/webui/extensions/extensions_ui.cc

 // Copyright (c) 2012 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/ui/webui/extensions/extensions_ui.h"
 
 #include <memory>
 
 #include "base/memory/ptr_util.h"
 #include "base/metrics/histogram_macros.h"
@@ skipping 163 matching lines @@
                              IDS_EXTENSIONS_ENABLE_ERROR_COLLECTION);
   source->AddLocalizedString("itemCorruptInstall",
                              IDS_EXTENSIONS_CORRUPTED_EXTENSION);
   source->AddLocalizedString("itemRepair", IDS_EXTENSIONS_REPAIR_CORRUPTED);
   source->AddLocalizedString("itemReload", IDS_EXTENSIONS_RELOAD_TERMINATED);
   source->AddString(
       "itemSuspiciousInstall",
       l10n_util::GetStringFUTF16(
           IDS_EXTENSIONS_ADDED_WITHOUT_KNOWLEDGE,
           l10n_util::GetStringUTF16(IDS_EXTENSION_WEB_STORE_TITLE)));
+  source->AddLocalizedString(
+      "loadErrorCouldNotLoadManifest",
+      IDS_MD_EXTENSIONS_LOAD_ERROR_COULD_NOT_LOAD_MANIFEST);
   source->AddLocalizedString("loadErrorHeading",
                              IDS_MD_EXTENSIONS_LOAD_ERROR_HEADING);
   source->AddLocalizedString("loadErrorFileLabel",
                              IDS_MD_EXTENSIONS_LOAD_ERROR_FILE_LABEL);
   source->AddLocalizedString("loadErrorErrorLabel",
                              IDS_MD_EXTENSIONS_LOAD_ERROR_ERROR_LABEL);
   source->AddLocalizedString("loadErrorCancel",
                              IDS_MD_EXTENSIONS_LOAD_ERROR_CANCEL);
   source->AddLocalizedString("loadErrorRetry",
                              IDS_MD_EXTENSIONS_LOAD_ERROR_RETRY);
@@ skipping 183 matching lines @@
 ExtensionsUI::~ExtensionsUI() {}
 
 // static
 base::RefCountedMemory* ExtensionsUI::GetFaviconResourceBytes(
     ui::ScaleFactor scale_factor) {
   ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance();
   return rb.LoadDataResourceBytesForScale(IDR_EXTENSIONS_FAVICON, scale_factor);
 }
 
 }  // namespace extensions