Enable sync for the settings from the Extension Settings API.

chrome/browser/extensions/extension_settings_storage_unittest.h

Index: chrome/browser/extensions/extension_settings_storage_unittest.h
diff --git a/chrome/browser/extensions/extension_settings_storage_unittest.h b/chrome/browser/extensions/extension_settings_storage_unittest.h
index 1d5d66696ceedac22d761d5debb9809b79b91028..9d209a1d72d113b2da702556b12a237403cfcc01 100644
--- a/chrome/browser/extensions/extension_settings_storage_unittest.h
+++ b/chrome/browser/extensions/extension_settings_storage_unittest.h
@@ -11,13 +11,14 @@
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop.h"
+#include "base/scoped_temp_dir.h"
 #include "base/task.h"
 #include "chrome/browser/extensions/extension_settings.h"
 #include "content/browser/browser_thread.h"
 
 // Parameter type for the value-parameterized tests.
 typedef ExtensionSettingsStorage* (*ExtensionSettingsStorageTestParam)(
-    ExtensionSettings* settings, const std::string& extension_id);
+    const ExtensionSettings& settings, const std::string& extension_id);
 
 // Test fixture for ExtensionSettingsStorage tests.  Tests are defined in
 // extension_settings_storage_unittest.cc with configurations for both cached
@@ -29,6 +30,7 @@ class ExtensionSettingsStorageTest
   virtual ~ExtensionSettingsStorageTest();
 
   virtual void SetUp() OVERRIDE;
+  virtual void TearDown() OVERRIDE;
 
  protected:
   ExtensionSettingsStorage* storage_;
@@ -54,12 +56,13 @@ class ExtensionSettingsStorageTest
   scoped_ptr<DictionaryValue> dict123_;
 
  private:
-  scoped_refptr<ExtensionSettings> settings_;
+  ScopedTempDir temp_dir_;
+  scoped_ptr<ExtensionSettings> settings_;
 
   // Need these so that the DCHECKs for running on FILE or UI threads pass.
-  scoped_ptr<MessageLoopForUI> ui_message_loop_;
-  scoped_ptr<BrowserThread> ui_thread_;
-  scoped_ptr<BrowserThread> file_thread_;
+  MessageLoop message_loop_;
+  BrowserThread ui_thread_;
+  BrowserThread file_thread_;
 };
 
 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_SETTINGS_STORAGE_UNITTEST_H_