Introduces an additional extension loader that load extra extensions based on per-extension json fi…

chrome/browser/extensions/external_extension_util.h

+// 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.
+
+#ifndef CHROME_BROWSER_EXTENSIONS_EXTERNAL_EXTENSION_UTIL_H_
+#define CHROME_BROWSER_EXTENSIONS_EXTERNAL_EXTENSION_UTIL_H_
+#pragma once
+
+namespace base {
+class DictionaryValue;
+class ValueSerializer;
+}
+class FilePath;
+
+// Provides various utility functions for external extension manipulation.
+class ExternalExtensionUtil {

[Finnur, 2012/04/25 13:33:45]

I still don't see a reason why this is a class and not just a namespace called
ExternalExtensionUtil?

[Alexandre Abreu, 2012/04/25 15:31:05]

Agree, as in many other places, I tried to follow what seemed to be "Chromium's
way".
I have seen this in some other places hence the same pattern ...

Done.

+ public:
+  // Extracts/expect a file content in json format.
+  // Used by the external extension facilities/providers
+  // to parse their extension manifests designated by |path|.
+  // An empty dictionary is returned in case of failure (e.g. invalid
+  // path or json content).
+  // Caller takes ownership of the returned dictionary.
+  static base::DictionaryValue* ExtractExtensionPrefs(const FilePath& path,
+      base::ValueSerializer* serializer);

[Finnur, 2012/04/25 13:33:45]

Can you add WARN_UNUSED_RESULT to the end (before the semicolon)?

[Alexandre Abreu, 2012/04/25 15:31:05]

Sorry missed that.

Done.

+};
+
+#endif  // CHROME_BROWSER_EXTENSIONS_EXTERNAL_EXTENSION_UTIL_H_