Move SystemIndicator parsing out of Extension class

chrome/common/extensions/manifest_handler_helpers.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_COMMON_EXTENSIONS_MANIFEST_HANDLER_HELPERS_H_
 #define CHROME_COMMON_EXTENSIONS_MANIFEST_HANDLER_HELPERS_H_
 
 #include <string>
 
 #include "base/memory/scoped_ptr.h"
 #include "base/string16.h"
 
+class ExtensionIconSet;
+
 namespace base {
 class DictionaryValue;
 }
 
-class ExtensionIconSet;
-
 namespace extensions {
-
-struct ActionInfo;
-class Extension;
-
 namespace manifest_handler_helpers {
 
 // Strips leading slashes from the file path. Returns true iff the final path is
 // non empty.
 bool NormalizeAndValidatePath(std::string* path);
 
 // Loads icon paths defined in dictionary |icons_value| into ExtensionIconSet
 // |icons|. |icons_value| is a dictionary value {icon size -> icon path}. Icons
 // in |icons_value| whose size is not in |icon_sizes| will be ignored.
 // Returns success. If load fails, |error| will be set.
 bool LoadIconsFromDictionary(const base::DictionaryValue* icons_value,
                              const int* icon_sizes,
                              size_t num_icon_sizes,
                              ExtensionIconSet* icons,
                              string16* error);
 
-// TODO(rdevlin.cronin): Move this to a helper file in
-// chrome/common/extensions/api/extension_action/ when the Extension class stops
-// using it.
-scoped_ptr<ActionInfo> LoadActionInfo(
-    const Extension* extension,
-    const base::DictionaryValue* manifest_section,
-    string16* error);
-
 }  // namespace manifest_handler_helpers
 }  // namespace extensions
 
 #endif  // CHROME_COMMON_EXTENSIONS_MANIFEST_HANDLER_HELPERS_H_