AppModelBuilder to athena.

athena/home/public/app_model_builder.h

Index: athena/home/public/app_model_builder.h
diff --git a/athena/home/public/app_model_builder.h b/athena/home/public/app_model_builder.h
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+++ b/athena/home/public/app_model_builder.h
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+// Copyright 2014 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 ATHENA_HOME_PUBLIC_APP_MODEL_BUILDER_H_
+#define ATHENA_HOME_PUBLIC_APP_MODEL_BUILDER_H_
+
+#include "athena/athena_export.h"
+
+namespace app_list {
+class AppListModel;
+}  // namespace app_list
+
+namespace athena {
+
+// An interface to fill the list of apps in the home card.
+// TODO(mukai): integrate the interface with chrome/browser/ui/app_list/
+// extension_app_model_builder.
+class ATHENA_EXPORT AppModelBuilder {
+ public:
+  virtual ~AppModelBuilder() {}
+
+  // Fills |model| with the currently available app_list::AppListItems.
+  virtual void PopulateApps(app_list::AppListModel* model) = 0;
+};
+
+}  // namespace athena
+
+#endif  // ATHENA_HOME_PUBLIC_APP_MODEL_BUILDER_H_