Fixes extension packing codepath that was hitting a race condition DCHECK des...

chrome/browser/extensions/extensions_ui.cc

 // Copyright (c) 2006-2009 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/extensions/extensions_ui.h"
 
 #include "app/gfx/codec/png_codec.h"
 #include "app/gfx/color_utils.h"
 #include "app/gfx/skbitmap_operations.h"
 #include "app/l10n_util.h"
@@ skipping 467 matching lines @@
     return;
   }
 
   if (!private_key_path.empty() && key_file.empty()) {
     ShowAlert(l10n_util::GetStringUTF8(
         IDS_EXTENSION_PACK_DIALOG_ERROR_KEY_INVALID));
     return;
   }
 
   pack_job_ = new PackExtensionJob(this, root_directory, key_file);
+  pack_job_->Start();
 }
 
 void ExtensionsDOMHandler::OnPackSuccess(const FilePath& crx_file,
                                          const FilePath& pem_file) {
   std::string message;
   if (!pem_file.empty()) {
     message = WideToASCII(l10n_util::GetStringF(
         IDS_EXTENSION_PACK_DIALOG_SUCCESS_BODY_NEW,
         crx_file.ToWStringHack(),
         pem_file.ToWStringHack()));
@@ skipping 247 matching lines @@
 // static
 RefCountedMemory* ExtensionsUI::GetFaviconResourceBytes() {
   return ResourceBundle::GetSharedInstance().
       LoadImageResourceBytes(IDR_PLUGIN);
 }
 
 // static
 void ExtensionsUI::RegisterUserPrefs(PrefService* prefs) {
   prefs->RegisterBooleanPref(prefs::kExtensionsUIDeveloperMode, false);
 }