Show "About panel" bubble on Windows.

chrome/browser/web_applications/web_app.cc

Index: chrome/browser/web_applications/web_app.cc
===================================================================
--- chrome/browser/web_applications/web_app.cc	(revision 86295)
+++ chrome/browser/web_applications/web_app.cc	(working copy)
@@ -475,6 +475,13 @@
   return t;
 }
 
+std::string GetExtensionIdFromApplicationName(const std::string& app_name) {
+  std::string prefix(kCrxAppPrefix);
+  if (app_name.substr(0, prefix.length()) != prefix)
+    return std::string();
+  return app_name.substr(prefix.length());
+}
+
 void CreateShortcut(
     const FilePath& data_dir,
     const ShellIntegration::ShortcutInfo& shortcut_info,