Remove app shortcuts when app is uninstalled on Linux.

chrome/browser/web_applications/web_app.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_WEB_APPLICATIONS_WEB_APP_H_
 #define CHROME_BROWSER_WEB_APPLICATIONS_WEB_APP_H_
 #pragma once
 
 #include <string>
 #include <vector>
@@ skipping 36 matching lines @@
 // Extracts the extension id from the app name.
 std::string GetExtensionIdFromApplicationName(const std::string& app_name);
 
 // Creates a shortcut for web application based on given shortcut data.
 // |profile_path| is the path of the creating profile. |shortcut_info)
 // contains information about the shortcut to create.
 void CreateShortcut(
     const FilePath& profile_path,
     const ShellIntegration::ShortcutInfo& shortcut_info);
 
+// Delete all the shortcuts that have been created for the extension with
+// |extension_id| in the profile with |profile_path|.
+void DeleteAllShortcuts(const FilePath& profile_path,
+                        const std::string& extension_id);
+
 // Creates a shortcut. Must be called on the file thread. This is used to
 // implement CreateShortcut() above, and can also be used directly from the
 // file thread. |profile_path| is the path of the creating profile.
 // |shortcut_info| constains info about the shortcut to create.
 bool CreateShortcutOnFileThread(
     const FilePath& profile_path,
     const ShellIntegration::ShortcutInfo& shortcut_info);
 
 // Returns true if given url is a valid web app url.
 bool IsValidUrl(const GURL& url);
@@ skipping 23 matching lines @@
 // shortcuts. Used internally by CreateShortcutOnFileThread.
 // |shortcut_data_path| is where to store any resources created for the
 // shortcut, and is also used as the UserDataDir for platform app shortcuts.
 // |profile_path| is the path of the creating profile. |shortcut_info|
 // contains info about the shortcut to create.
 bool CreatePlatformShortcut(
     const FilePath& shortcut_data_path,
     const FilePath& profile_path,
     const ShellIntegration::ShortcutInfo& shortcut_info);
 
+// Delete all the shortcuts we have added for this extension. This is the
+// platform specific implementation of the DeleteAllShortcuts function, and
+// is executed on the FILE thread..
+void DeletePlatformShortcuts(const FilePath& profile_path,
+                             const std::string& extension_id);
+
 // Sanitizes |name| and returns a version of it that is safe to use as an
 // on-disk file name .
 FilePath GetSanitizedFileName(const string16& name);
 
 }  // namespace internals
 
 }  // namespace web_app
 
 #endif  // CHROME_BROWSER_WEB_APPLICATIONS_WEB_APP_H_