Temporary fix bug in disabling sync for default apps

chrome/browser/extensions/installed_loader.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/extensions/installed_loader.h"
 
 #include "base/file_path.h"
 #include "base/metrics/histogram.h"
 #include "base/stringprintf.h"
 #include "base/threading/thread_restrictions.h"
@@ skipping 294 matching lines @@
 int InstalledLoader::GetCreationFlags(const ExtensionInfo* info) {
   int flags = Extension::NO_FLAGS;
   if (info->extension_location != Extension::LOAD)
     flags |= Extension::REQUIRE_KEY;
   if (extension_prefs_->AllowFileAccess(info->extension_id))
     flags |= Extension::ALLOW_FILE_ACCESS;
   if (extension_prefs_->IsFromWebStore(info->extension_id))
     flags |= Extension::FROM_WEBSTORE;
   if (extension_prefs_->IsFromBookmark(info->extension_id))
     flags |= Extension::FROM_BOOKMARK;
+  if (extension_prefs_->WasInstalledByDefault(info->extension_id)) {
+    flags |= Extension::WAS_INSTALLED_BY_DEFAULT;
+  }
   return flags;
 }
 
 }  // namespace extensions