Remove unused members from WebApplicationInfo.

chrome/browser/extensions/convert_web_app.h

 // Copyright (c) 2011 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_EXTENSIONS_CONVERT_WEB_APP_H_
 #define CHROME_BROWSER_EXTENSIONS_CONVERT_WEB_APP_H_
 
 #include <string>
 
 #include "base/memory/ref_counted.h"
@@ skipping 16 matching lines @@
 // <year>.<month>.<day>.<fraction>
 //
 // fraction is represented as a number between 0 and 2^16-1. Each unit is
 // ~1.32 seconds.
 std::string ConvertTimeToExtensionVersion(const base::Time& time);
 
 // Wraps the specified web app in an extension. The extension is created
 // unpacked in the system temp dir. Returns a valid extension that the caller
 // should take ownership on success, or NULL and |error| on failure.
 //
+// NOTE: The app created is always marked as a bookmark app.
 // NOTE: This function does file IO and should not be called on the UI thread.
 // NOTE: The caller takes ownership of the directory at extension->path() on the
 // returned object.
 scoped_refptr<Extension> ConvertWebAppToExtension(
     const WebApplicationInfo& web_app_info,
     const base::Time& create_time,
     const base::FilePath& extensions_dir);
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_CONVERT_WEB_APP_H_