Make GetCommandExecuteImplClsid return the CLSID as a string directly.

chrome/installer/util/browser_distribution.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 a class that contains various method related to branding.
 // It provides only default implementations of these methods. Usually to add
 // specific branding, we will need to extend this class with a custom
 // implementation.
 
 #include "chrome/installer/util/browser_distribution.h"
@@ skipping 239 matching lines @@
 }
 
 bool BrowserDistribution::CanCreateDesktopShortcuts() {
   return true;
 }
 
 bool BrowserDistribution::GetChromeChannel(base::string16* channel) {
   return false;
 }
 
-bool BrowserDistribution::GetCommandExecuteImplClsid(
-    base::string16* handler_class_uuid) {
-  if (handler_class_uuid)
-    *handler_class_uuid = kCommandExecuteImplUuid;
-  return true;
+base::string16 BrowserDistribution::GetCommandExecuteImplClsid() {
+  return kCommandExecuteImplUuid;
 }
 
 void BrowserDistribution::UpdateInstallStatus(bool system_install,
     installer::ArchiveType archive_type,
     installer::InstallStatus install_status) {
 }
 
 bool BrowserDistribution::ShouldSetExperimentLabels() {
   return false;
 }
 
 bool BrowserDistribution::HasUserExperiments() {
   return false;
 }