Protect references to ThemeService* with ENABLE_THEMES

chrome/browser/extensions/extension_service_unittest.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/extension_service_unittest.h"
 
 #include <algorithm>
 #include <set>
 #include <vector>
 
@@ skipping 396 matching lines @@
     const FilePath& pref_file, const FilePath& extensions_install_dir,
     bool autoupdate_enabled) {
   TestingProfile* profile = new TestingProfile();
   // Create a PrefService that only contains user defined preference values.
   PrefService* prefs =
       PrefServiceMockBuilder().WithUserFilePrefs(pref_file).Create();
   Profile::RegisterUserPrefs(prefs);
   chrome::RegisterUserPrefs(prefs);
   profile->SetPrefService(prefs);
 
+#if defined(ENABLE_THEMES)
   ThemeServiceFactory::GetInstance()->ForceRegisterPrefsForTest(prefs);
+#endif
   PluginPrefsFactory::GetInstance()->ForceRegisterPrefsForTest(prefs);
 
   profile_.reset(profile);
 
   service_ = static_cast<TestExtensionSystem*>(
       ExtensionSystem::Get(profile))->CreateExtensionService(
           CommandLine::ForCurrentProcess(),
           extensions_install_dir,
           autoupdate_enabled);
   service_->set_extensions_enabled(true);
@@ skipping 4799 matching lines @@
   provider->UpdateOrAddExtension(hosted_app, "1.0.0.0",
                                  data_dir_.AppendASCII("hosted_app.crx"));
 
   service_->CheckForExternalUpdates();
   loop_.RunAllPending();
 
   ASSERT_TRUE(service_->PopulateExtensionGlobalError(
       extension_global_error.get()));
   ASSERT_EQ(1u, extension_global_error->get_external_extension_ids()->size());
 }