Clean up threading model of external extension providers

chrome/browser/extensions/external_registry_extension_loader_win.h

Index: chrome/browser/extensions/external_registry_extension_loader_win.h
diff --git a/chrome/browser/extensions/external_registry_extension_loader_win.h b/chrome/browser/extensions/external_registry_extension_loader_win.h
new file mode 100644
index 0000000000000000000000000000000000000000..950240de28b9e834bae639e88bfded8cdcbc32a8
--- /dev/null
+++ b/chrome/browser/extensions/external_registry_extension_loader_win.h
@@ -0,0 +1,26 @@
+// Copyright (c) 2010 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.
+
+#ifndef CHROME_BROWSER_EXTENSIONS_EXTERNAL_REGISTRY_EXTENSION_LOADER_WIN_H_
+#define CHROME_BROWSER_EXTENSIONS_EXTERNAL_REGISTRY_EXTENSION_LOADER_WIN_H_
+#pragma once
+
+#include "chrome/browser/extensions/external_extension_loader.h"
+
+class ExternalRegistryExtensionLoader : public ExternalExtensionLoader {
+ public:
+  explicit ExternalRegistryExtensionLoader() {}

[jochen (gone - plz use gerrit), 2011/01/04 12:38:01]

no explicit

[gfeher, 2011/01/04 23:37:09]

Done.

+
+ protected:
+  virtual void Load();
+
+ private:
+  friend class base::RefCountedThreadSafe<ExternalExtensionLoader>;
+
+  virtual ~ExternalRegistryExtensionLoader() {}
+
+  void LoadOnFileThread();
+};

[jochen (gone - plz use gerrit), 2011/01/04 12:38:01]

disallow copy and assign?

[gfeher, 2011/01/04 23:37:09]

Done.

+
+#endif  // CHROME_BROWSER_EXTENSIONS_EXTERNAL_REGISTRY_EXTENSION_LOADER_WIN_H_