Revert of Makes the component installers return a Result instead of a bool.

chrome/browser/component_updater/sw_reporter_installer_win.cc

 // Copyright (c) 2014 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.
 
 #include "chrome/browser/component_updater/sw_reporter_installer_win.h"
 
 #include <stdint.h>
 
 #include <algorithm>
 #include <map>
@@ skipping 294 matching lines @@
 
 bool SwReporterInstallerTraits::SupportsGroupPolicyEnabledComponentUpdates()
     const {
   return true;
 }
 
 bool SwReporterInstallerTraits::RequiresNetworkEncryption() const {
   return false;
 }
 
-update_client::CrxInstaller::Result SwReporterInstallerTraits::OnCustomInstall(
+bool SwReporterInstallerTraits::OnCustomInstall(
     const base::DictionaryValue& manifest,
     const base::FilePath& install_dir) {
-  return update_client::CrxInstaller::Result(0);
+  return true;
 }
 
 void SwReporterInstallerTraits::ComponentReady(
     const base::Version& version,
     const base::FilePath& install_dir,
     std::unique_ptr<base::DictionaryValue> manifest) {
   DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
   const base::FilePath exe_path(install_dir.Append(kSwReporterExeName));
   if (IsExperimentalEngineEnabled()) {
     RunExperimentalSwReporter(exe_path, version, std::move(manifest),
@@ skipping 162 matching lines @@
 }
 
 void RegisterProfilePrefsForSwReporter(
     user_prefs::PrefRegistrySyncable* registry) {
   registry->RegisterStringPref(prefs::kSwReporterPromptVersion, "");
 
   registry->RegisterStringPref(prefs::kSwReporterPromptSeed, "");
 }
 
 }  // namespace component_updater