Athena: Adding basic resource management framework (un-/re-loading) of V2 applications

athena/content/public/app_content_control_delegate.h

+// 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_CONTENT_PUBLIC_APP_CONTENT_CONTROL_DLEGATE_H_
+#define ATHENA_CONTENT_PUBLIC_APP_CONTENT_CONTROL_DLEGATE_H_
+
+#include <string>
+
+#include "base/macros.h"
+
+namespace content {
+class BrowserContext;
+class WebContents;
+}
+
+namespace athena {
+
+// The application content delegate which can be overwritten for unit tests to
+// eliminate dependencies to the content / browser system.
+class AppContentControlDelegate {
+ public:
+  static AppContentControlDelegate* CreateAppContentControlDelegate();
+
+  AppContentControlDelegate() {}
+  virtual ~AppContentControlDelegate() {}
+
+  // Unload an application. Returns true when unloaded.
+  virtual bool UnloadApplication(const std::string& app_id,
+                                 content::BrowserContext* browser_context) = 0;
+  // Restarts an application. Returns true when the restart was initiated.
+  virtual bool RestartApplication(const std::string& app_id,
+                                  content::BrowserContext* browser_context) = 0;
+  // Returns the application ID (or an empty string) for a given web content.
+  virtual std::string GetApplicationID(content::WebContents* web_contents) = 0;
+};
+
+}  // namespace athena
+
+#endif  // ATHENA_CONTENT_PUBLIC_APP_CONTENT_CONTROL_DLEGATE_H_