Remove app shortcuts when app is uninstalled on Linux.

chrome/browser/web_applications/web_app_linux.cc

 // 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.
 
 #include "chrome/browser/web_applications/web_app.h"
 
 #include "base/environment.h"
 #include "base/logging.h"
 #include "chrome/browser/shell_integration_linux.h"
 #include "content/public/browser/browser_thread.h"
@@ skipping 11 matching lines @@
 
   std::string shortcut_template;
   if (!ShellIntegrationLinux::GetDesktopShortcutTemplate(env.get(),
                                                          &shortcut_template)) {
     return false;
   }
   return ShellIntegrationLinux::CreateDesktopShortcut(
       shortcut_info, shortcut_template);
 }
 
+void DeletePlatformShortcuts(const FilePath& profile_path,
+                             const std::string& extension_id) {
+  ShellIntegrationLinux::DeleteDesktopShortcuts(profile_path, extension_id);
+}
+
 }  // namespace internals
 }  // namespace web_app