Support V1 app

chrome/browser/ui/extensions/application_launch.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_UI_EXTENSIONS_APPLICATION_LAUNCH_H_
 #define CHROME_BROWSER_UI_EXTENSIONS_APPLICATION_LAUNCH_H_
 
 #include "base/command_line.h"
 #include "base/files/file_path.h"
 #include "chrome/browser/ui/host_desktop.h"
@@ skipping 82 matching lines @@
 // and shortcuts that open an installed application.  This function
 // is used to open the former.  To open the latter, use
 // application_launch::OpenApplication().
 content::WebContents* OpenAppShortcutWindow(Profile* profile,
                                             const GURL& url);
 
 // Whether the extension can be launched by sending a
 // chrome.app.runtime.onLaunched event.
 bool CanLaunchViaEvent(const extensions::Extension* extension);
 
+// Get the launch URL for a given extension, with optional override/fallback.
+// |override_url|, if non-empty, will be preferred over the extension's
+// launch url.
+GURL UrlForExtension(const extensions::Extension* extension,
+                     const GURL& override_url);
+
 #endif  // CHROME_BROWSER_UI_EXTENSIONS_APPLICATION_LAUNCH_H_