Remove app shortcuts when app is uninstalled on Linux.

chrome/browser/shell_integration_linux.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_SHELL_INTEGRATION_LINUX_H_
 #define CHROME_BROWSER_SHELL_INTEGRATION_LINUX_H_
 #pragma once
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/file_path.h"
 #include "chrome/browser/shell_integration.h"
 #include "googleurl/src/gurl.h"
 
 namespace base {
 class Environment;
 }
 
 namespace ShellIntegrationLinux {
 
 // Returns filename of the desktop shortcut used to launch the browser.
 std::string GetDesktopName(base::Environment* env);
 
 bool GetDesktopShortcutTemplate(base::Environment* env,
                                 std::string* output);
 
 // Returns filename for .desktop file based on |url|, sanitized for security.
-FilePath GetDesktopShortcutFilename(const GURL& url);
+FilePath GetWebShortcutFilename(const GURL& url);
+
+// Returns filename for .desktop file based on |profile_path| and
+// |extension_id|, sanitized for security.
+FilePath GetExtensionShortcutFilename(const FilePath& profile_path,
+                                      const std::string& extension_id);
 
 // Returns contents for .desktop file based on |template_contents|, |url|
 // and |title|. The |template_contents| should be contents of .desktop file
 // used to launch Chrome.
 std::string GetDesktopFileContents(const std::string& template_contents,
                                    const std::string& app_name,
                                    const GURL& url,
                                    const std::string& extension_id,
                                    const bool is_platform_app,
                                    const FilePath& extension_path,
                                    const string16& title,
                                    const std::string& icon_name,
                                    const FilePath& profile_path);
 
+
+// Create shortcuts on the desktop or in the application menu (as specified by
+// |shortcut_info|), for the web page or extension in |shortcut_info|. Use the
+// shortcut template contained in |shortcut_template|.
+// For extensions, duplicate shortcuts are avoided, so if a requested shortcut
+// already exists it is deleted first.
 bool CreateDesktopShortcut(const ShellIntegration::ShortcutInfo& shortcut_info,
                            const std::string& shortcut_template);
 
+// Delete any desktop shortcuts on desktop or in the application menu that have
+// been added for the extension with |extension_id| in |profile_path|.
+void DeleteDesktopShortcuts(const FilePath& profile_path,
+                            const std::string& extension_id);
+
 }  // namespace ShellIntegrationLinux
 
 #endif  // CHROME_BROWSER_SHELL_INTEGRATION_LINUX_H_