Show "About panel" bubble on Windows.

chrome/browser/web_applications/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_WEB_APPLICATIONS_WEB_APP_H_
 #define CHROME_BROWSER_WEB_APPLICATIONS_WEB_APP_H_
 #pragma once
 
 #include <vector>
 
@@ skipping 12 matching lines @@
     const ShellIntegration::ShortcutInfo& shortcut_info);
 
 // Compute a deterministic name based on the URL. We use this pseudo name
 // as a key to store window location per application URLs in Browser and
 // as app id for BrowserWindow, shortcut and jump list.
 std::string GenerateApplicationNameFromURL(const GURL& url);
 
 // Compute a deterministic name based on an extension/apps's id.
 std::string GenerateApplicationNameFromExtensionId(const std::string& id);
 
+// Extracts the extension id from the app name.

[jennb, 2011/05/24 05:29:14]

Somtimes the app_name was not generated from an extension id. It could have been
generated by a URL.

[jianli, 2011/05/24 18:20:24]

It will not collide with the name generated from an URL since we add the prefix
"_crx_" and "_" cannot be part of the host (see comment in kCrxAppPrefix
definition in web_app.cc)

+std::string GetExtensionIdFromApplicationName(const std::string& app_name);
+
 // Callback after user dismisses CreateShortcutView. "true" indicates
 // shortcut is created successfully. Otherwise, it is false.
 typedef Callback1<bool>::Type CreateShortcutCallback;
 
 // Creates a shortcut for web application based on given shortcut data.
 // |profile_path| is used as root directory for persisted data such as icon.
 // Directory layout is similar to what Gears has, i.e. an web application's
 // file is stored under "#/host_name/scheme_port", where '#' is the
 // |root_dir|.  A crx based app uses a directory named _crx_<app id>.
 void CreateShortcut(
@@ skipping 30 matching lines @@
 bool CheckAndSaveIcon(const FilePath& icon_file, const SkBitmap& image);
 #endif
 
 FilePath GetWebAppDataDirectory(const FilePath& root_dir,
                                 const ShellIntegration::ShortcutInfo& info);
 }  // namespace internals
 
 }  // namespace web_app
 
 #endif  // CHROME_BROWSER_WEB_APPLICATIONS_WEB_APP_H_