Clean up ExtensionServiceTest.

chrome/browser/extensions/extension_service_unittest.h

Index: chrome/browser/extensions/extension_service_unittest.h
diff --git a/chrome/browser/extensions/extension_service_unittest.h b/chrome/browser/extensions/extension_service_unittest.h
index e062b02623ff748428c1ef20d47c24749eeedc9f..f9dff6be443c640255b69244b1bc02e8a99eaf6a 100644
--- a/chrome/browser/extensions/extension_service_unittest.h
+++ b/chrome/browser/extensions/extension_service_unittest.h
@@ -6,6 +6,7 @@
 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_SERVICE_UNITTEST_H_
 #pragma once
 
+#include "base/at_exit.h"
 #include "base/file_path.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
@@ -54,8 +55,9 @@ class ExtensionServiceTestBase : public testing::Test {
   FilePath data_dir_;
   // Owned by |profile_|.
   ExtensionService* service_;
-  size_t total_successes_;
+  size_t expected_extensions_count_;
   MessageLoop loop_;
+  base::ShadowingAtExitManager at_exit_manager_;
   content::TestBrowserThread ui_thread_;
   content::TestBrowserThread db_thread_;
   content::TestBrowserThread webkit_thread_;