Delete Chrome extensions related registry entries on uninstall.

chrome/installer/setup/uninstall.cc

 // Copyright (c) 2006-2008 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.
 //
 // This file defines the methods useful for uninstalling Chrome.
 
 #include "chrome/installer/setup/uninstall.h"
 
 #include "base/file_util.h"
 #include "base/path_service.h"
@@ skipping 224 matching lines @@
   DeleteChromeShortcut(system_uninstall);
 
   // Delete the registry keys (Uninstall key and Version key).
   HKEY reg_root = system_uninstall ? HKEY_LOCAL_MACHINE : HKEY_CURRENT_USER;
   RegKey key(reg_root, L"", KEY_ALL_ACCESS);
   BrowserDistribution* dist = BrowserDistribution::GetDistribution();
   DeleteRegistryKey(key, dist->GetUninstallRegPath());
   DeleteRegistryKey(key, dist->GetVersionKey());
 
   // Delete Software\Classes\ChromeHTML,
+  // Delete Software\Classes\ChromeExt,
+  // Delete Software\Classes\.crx,
   // Software\Clients\StartMenuInternet\chrome.exe and
   // Software\RegisteredApplications\Chrome
   std::wstring html_prog_id(ShellUtil::kRegClasses);
   file_util::AppendToPath(&html_prog_id, ShellUtil::kChromeHTMLProgId);
   DeleteRegistryKey(key, html_prog_id);
+  std::wstring ext_prog_id(ShellUtil::kRegClasses);
+  file_util::AppendToPath(&ext_prog_id, ShellUtil::kChromeExtProgId);
+  DeleteRegistryKey(key, ext_prog_id);
+  std::wstring ext_association(ShellUtil::kRegClasses);
+  ext_association.append(L".");
+  ext_association.append(chrome::kExtensionFileExtension);
+  DeleteRegistryKey(key, ext_association);
 
   std::wstring set_access_key(ShellUtil::kRegStartMenuInternet);
   file_util::AppendToPath(&set_access_key, dist->GetApplicationName());
   DeleteRegistryKey(key, set_access_key);
   // We have renamed the StartMenuInternet\chrome.exe to
   // StartMenuInternet\Chromium so for old users we still need to delete
   // the old key.
   std::wstring old_set_access_key(ShellUtil::kRegStartMenuInternet);
   file_util::AppendToPath(&old_set_access_key, installer_util::kChromeExe);
   DeleteRegistryKey(key, old_set_access_key);
@@ skipping 18 matching lines @@
     if (remove_all)
       DeleteRegistryKey(hklm_key, open_with_key);
   }
   key.Close();
 
   // Delete shared registry keys as well (these require admin rights) if
   // remove_all option is specified.
   if (remove_all) {
     DeleteRegistryKey(hklm_key, set_access_key);
     DeleteRegistryKey(hklm_key, html_prog_id);
+    DeleteRegistryKey(hklm_key, ext_prog_id);
+    DeleteRegistryKey(hklm_key, ext_association);
     DeleteRegistryValue(HKEY_LOCAL_MACHINE,
                         ShellUtil::kRegRegisteredApplications,
                         dist->GetApplicationName());
 
     // Delete the App Paths key that lets explorer find Chrome.
     std::wstring app_path_key(ShellUtil::kAppPathsRegistryKey);
     file_util::AppendToPath(&app_path_key, installer_util::kChromeExe);
     DeleteRegistryKey(hklm_key, app_path_key);
 
     // Delete media player registry key that exists only in HKLM.
@@ skipping 26 matching lines @@
     dist->DoPostUninstallOperations(installed_version, local_state_path);
   }
 
   // Try and delete the preserved local state once the post-install
   // operations are complete.
   if (!local_state_path.empty())
     file_util::Delete(local_state_path, false);
 
   return installer_util::UNINSTALL_SUCCESSFUL;
 }