Move enable_app_list to a buildflag.

chrome/browser/sync/profile_sync_service_factory_unittest.cc

Index: chrome/browser/sync/profile_sync_service_factory_unittest.cc
diff --git a/chrome/browser/sync/profile_sync_service_factory_unittest.cc b/chrome/browser/sync/profile_sync_service_factory_unittest.cc
index 0038477d8fb0243b979b66d509b2d87421d5d8d1..cf641806d09e65dfedb4a220cfcbf31c8c0bb7a4 100644
--- a/chrome/browser/sync/profile_sync_service_factory_unittest.cc
+++ b/chrome/browser/sync/profile_sync_service_factory_unittest.cc
@@ -11,6 +11,7 @@
 
 #include "base/command_line.h"
 #include "build/build_config.h"
+#include "chrome/common/features.h"
 #include "chrome/test/base/testing_profile.h"
 #include "components/browser_sync/browser_sync_switches.h"
 #include "components/browser_sync/profile_sync_service.h"
@@ -34,7 +35,7 @@ class ProfileSyncServiceFactoryTest : public testing::Test {
     // Desktop types.
 #if !defined(OS_ANDROID)
     datatypes.push_back(syncer::APPS);
-#if defined(ENABLE_APP_LIST)
+#if BUILDFLAG(ENABLE_APP_LIST)
     if (app_list::switches::IsAppListSyncEnabled())
       datatypes.push_back(syncer::APP_LIST);
 #endif