Fix ComponentLoader unit tests on cros_trunk

chrome/browser/extensions/component_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/component_loader.h"
 
 #include <string>
 
 #include "base/command_line.h"
 #include "base/files/file_util.h"
@@ skipping 73 matching lines @@
   CHECK(manifest) << error;
   bool localized = extension_l10n_util::LocalizeExtension(
       chromevox_path, manifest.get(), &error);
   CHECK(localized) << error;
   return manifest.Pass();
 }
 
 bool IsNormalSession() {
   return !base::CommandLine::ForCurrentProcess()->HasSwitch(
              chromeos::switches::kGuestSession) &&
+         user_manager::UserManager::IsInitialized() &&
          user_manager::UserManager::Get()->IsUserLoggedIn();
 }
 #endif  // defined(OS_CHROMEOS)
 
 }  // namespace
 
 ComponentLoader::ComponentExtensionInfo::ComponentExtensionInfo(
     const base::DictionaryValue* manifest, const base::FilePath& directory)
     : manifest(manifest),
       root_directory(directory) {
@@ skipping 555 matching lines @@
         off_the_record_context, Extension::GetBaseURLFromExtensionId(id));
     storage::FileSystemContext* file_system_context =
         content::BrowserContext::GetStoragePartitionForSite(
             off_the_record_context, site)->GetFileSystemContext();
     file_system_context->EnableTemporaryFileSystemInIncognito();
   }
 #endif
 }
 
 }  // namespace extensions