Convert RLZ to a buildflag header

chrome/browser/ui/app_list/app_list_controller_delegate.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.
 
 #include "chrome/browser/ui/app_list/app_list_controller_delegate.h"
 
 #include "base/metrics/histogram_macros.h"
 #include "build/build_config.h"
 #include "chrome/browser/extensions/extension_util.h"
 #include "chrome/browser/extensions/install_tracker_factory.h"
 #include "chrome/browser/extensions/launch_util.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/app_list/extension_uninstaller.h"
 #include "chrome/browser/ui/apps/app_info_dialog.h"
 #include "chrome/common/extensions/extension_constants.h"
 #include "extensions/browser/extension_prefs.h"
 #include "extensions/browser/extension_registry.h"
 #include "extensions/browser/extension_system.h"
 #include "extensions/browser/management_policy.h"
 #include "extensions/common/extension.h"
 #include "extensions/common/extension_set.h"
 #include "extensions/common/manifest_handlers/options_page_info.h"
 #include "extensions/common/manifest_url_handlers.h"
 #include "net/base/url_util.h"
+#include "rlz/features/features.h"
 #include "ui/app_list/app_list_folder_item.h"
 #include "ui/app_list/app_list_item.h"
 #include "ui/app_list/app_list_model.h"
 #include "ui/app_list/app_list_switches.h"
 #include "ui/gfx/geometry/rect.h"
 
-#if defined(ENABLE_RLZ)
+#if BUILDFLAG(ENABLE_RLZ)
 #include "components/rlz/rlz_tracker.h"  // nogncheck
 #endif
 
 using extensions::ExtensionRegistry;
 
 namespace {
 
 const extensions::Extension* GetExtension(Profile* profile,
                                           const std::string& extension_id) {
   const ExtensionRegistry* registry = ExtensionRegistry::Get(profile);
@@ skipping 154 matching lines @@
 void AppListControllerDelegate::GetApps(Profile* profile,
                                         extensions::ExtensionSet* out_apps) {
   ExtensionRegistry* registry = ExtensionRegistry::Get(profile);
   DCHECK(registry);
   out_apps->InsertAll(registry->enabled_extensions());
   out_apps->InsertAll(registry->disabled_extensions());
   out_apps->InsertAll(registry->terminated_extensions());
 }
 
 void AppListControllerDelegate::OnSearchStarted() {
-#if defined(ENABLE_RLZ)
+#if BUILDFLAG(ENABLE_RLZ)
   rlz::RLZTracker::RecordAppListSearch();
 #endif
 }