installer: Remove dependency on extensions' constant.

chrome/installer/setup/uninstall.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.
 //
 // This file defines the methods useful for uninstalling Chrome.
 
 #include "chrome/installer/setup/uninstall.h"
 
 #include <windows.h>
 
@@ skipping 29 matching lines @@
 #include "chrome/installer/util/google_update_settings.h"
 #include "chrome/installer/util/helper.h"
 #include "chrome/installer/util/install_util.h"
 #include "chrome/installer/util/installation_state.h"
 #include "chrome/installer/util/installer_state.h"
 #include "chrome/installer/util/logging_installer.h"
 #include "chrome/installer/util/self_cleaning_temp_dir.h"
 #include "chrome/installer/util/shell_util.h"
 #include "chrome/installer/util/util_constants.h"
 #include "content/public/common/result_codes.h"
-#include "extensions/common/constants.h"
 #include "rlz/lib/rlz_lib.h"
 
 using base::win::RegKey;
 
 namespace installer {
 
 namespace {
 
 // Avoid leaving behind a Temp dir.  If one exists, ask SelfCleaningTempDir to
 // clean it up for us.  This may involve scheduling it for deletion after
@@ skipping 980 matching lines @@
     // Delete Software\Classes\ChromeExt,
     base::string16 ext_prog_id(ShellUtil::kRegClasses);
     ext_prog_id.push_back(base::FilePath::kSeparators[0]);
     ext_prog_id.append(kChromeExtProgId);
     ext_prog_id.append(suffix);
     InstallUtil::DeleteRegistryKey(roots[i], ext_prog_id);
 
     // Delete Software\Classes\.crx,
     base::string16 ext_association(ShellUtil::kRegClasses);
     ext_association.append(L"\\");
-    ext_association.append(extensions::kExtensionFileExtension);
+    ext_association.append(L".crx");
     InstallUtil::DeleteRegistryKey(roots[i], ext_association);
   }
 }
 
 void UninstallFirewallRules(BrowserDistribution* dist,
                             const base::FilePath& chrome_exe) {
   scoped_ptr<FirewallManager> manager =
       FirewallManager::Create(dist, chrome_exe);
   if (manager)
     manager->RemoveFirewallRules();
@@ skipping 377 matching lines @@
     // If we need a reboot to continue, schedule the parent directories for
     // deletion unconditionally. If they are not empty, the session manager
     // will not delete them on reboot.
     ScheduleParentAndGrandparentForDeletion(target_path);
   } else if (DeleteChromeDirectoriesIfEmpty(target_path) == DELETE_FAILED) {
     *uninstall_status = UNINSTALL_FAILED;
   }
 }
 
 }  // namespace installer