Move enable extensions define to a build flag.

chrome/browser/ui/sync/profile_signin_confirmation_helper.cc

 // Copyright 2013 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/sync/profile_signin_confirmation_helper.h"
 
 #include "base/bind.h"
 #include "base/memory/ref_counted.h"
 #include "build/build_config.h"
 #include "chrome/browser/bookmarks/bookmark_model_factory.h"
 #include "chrome/browser/history/history_service_factory.h"
 #include "chrome/browser/profiles/profile.h"
 #include "components/bookmarks/browser/bookmark_model.h"
 #include "components/browser_sync/signin_confirmation_helper.h"
 #include "components/history/core/browser/history_service.h"
 #include "content/public/browser/browser_thread.h"
+#include "extensions/features/features.h"
 #include "ui/gfx/color_utils.h"
 #include "ui/native_theme/native_theme.h"
 
-#if defined(ENABLE_EXTENSIONS)
+#if BUILDFLAG(ENABLE_EXTENSIONS)
 #include "chrome/common/extensions/extension_constants.h"
 #include "chrome/common/extensions/sync_helper.h"
 #include "extensions/browser/extension_registry.h"
 #include "extensions/common/constants.h"
 #include "extensions/common/extension.h"
 #include "extensions/common/extension_set.h"
 #endif
 
 using bookmarks::BookmarkModel;
 
@@ skipping 22 matching lines @@
 }
 
 bool HasBeenShutdown(Profile* profile) {
   bool has_been_shutdown = !profile->IsNewProfile();
   if (has_been_shutdown)
     DVLOG(1) << "ProfileSigninConfirmationHelper: profile is not new";
   return has_been_shutdown;
 }
 
 bool HasSyncedExtensions(Profile* profile) {
-#if defined(ENABLE_EXTENSIONS)
+#if BUILDFLAG(ENABLE_EXTENSIONS)
   extensions::ExtensionRegistry* registry =
       extensions::ExtensionRegistry::Get(profile);
   if (registry) {
     for (const scoped_refptr<const extensions::Extension>& extension :
          registry->enabled_extensions()) {
       // The webstore is synced so that it stays put on the new tab
       // page, but since it's installed by default we don't want to
       // consider it when determining if the profile is dirty.
       if (extensions::sync_helper::IsSyncable(extension.get()) &&
           !extensions::sync_helper::IsSyncableComponentExtension(
@@ skipping 22 matching lines @@
   history::HistoryService* service =
       HistoryServiceFactory::GetForProfileWithoutCreating(profile);
   // Fire asynchronous queries for profile data.
   browser_sync::SigninConfirmationHelper* helper =
       new browser_sync::SigninConfirmationHelper(service, return_result);
   helper->CheckHasHistory(kHistoryEntriesBeforeNewProfilePrompt);
   helper->CheckHasTypedURLs();
 }
 
 }  // namespace ui