Make management.launchApp() work for hosted apps on Athena

chrome/browser/ui/extensions/application_launch_web_app.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 CHROME_BROWSER_UI_EXTENSIONS_APPLICATION_LAUNCH_WEB_APP_H_
+#define CHROME_BROWSER_UI_EXTENSIONS_APPLICATION_LAUNCH_WEB_APP_H_
+
+#include "chrome/browser/ui/extensions/app_launch_params.h"
+#include "url/gurl.h"
+
+namespace content {
+class WebContents;
+}
+
+// Helper method to OpenApplication() which opens a web app window with |url|
+// in the way specified by |params|.
+content::WebContents* OpenWebAppWindow(const AppLaunchParams& params,
+                                       const GURL& url);
+
+// Helper method to OpenApplication() which opens a web app tab with |url| in
+// the way specified by |params|.
+content::WebContents* OpenWebAppTab(const AppLaunchParams& params,
+                                    const GURL& url);
+
+#endif  // CHROME_BROWSER_UI_EXTENSIONS_APPLICATION_LAUNCH_WEB_APP_H_