Move enable extensions define to a build flag.

chrome/browser/sync/sessions/notification_service_sessions_router.cc

 // Copyright 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/sync/sessions/notification_service_sessions_router.h"
 
 #include "base/logging.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/history/history_service_factory.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/sync/glue/sync_start_util.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/sync/browser_synced_window_delegates_getter.h"
 #include "chrome/browser/ui/sync/tab_contents_synced_tab_delegate.h"
 #include "chrome/common/features.h"
 #include "components/history/core/browser/history_service.h"
 #include "components/sync_sessions/sync_sessions_client.h"
 #include "components/sync_sessions/synced_tab_delegate.h"
 #include "content/public/browser/navigation_controller.h"
 #include "content/public/browser/navigation_entry.h"
 #include "content/public/browser/notification_details.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/notification_source.h"
 #include "content/public/browser/web_contents.h"
+#include "extensions/features/features.h"
 
 #if BUILDFLAG(ANDROID_JAVA_UI)
 #include "chrome/browser/android/tab_android.h"
 #endif
 
 #if BUILDFLAG(ENABLE_SUPERVISED_USERS)
 #include "chrome/browser/supervised_user/supervised_user_service.h"
 #include "chrome/browser/supervised_user/supervised_user_service_factory.h"
 #endif
 
-#if defined(ENABLE_EXTENSIONS)
+#if BUILDFLAG(ENABLE_EXTENSIONS)
 #include "chrome/browser/extensions/tab_helper.h"
 #endif
 
 using content::NavigationController;
 using content::WebContents;
 
 namespace sync_sessions {
 
 namespace {
 
@@ skipping 23 matching lines @@
   registrar_.Add(this, chrome::NOTIFICATION_TAB_PARENTED,
       content::NotificationService::AllSources());
   registrar_.Add(this, content::NOTIFICATION_WEB_CONTENTS_DESTROYED,
       content::NotificationService::AllSources());
   registrar_.Add(this, content::NOTIFICATION_NAV_LIST_PRUNED,
       content::NotificationService::AllSources());
   registrar_.Add(this, content::NOTIFICATION_NAV_ENTRY_CHANGED,
       content::NotificationService::AllSources());
   registrar_.Add(this, content::NOTIFICATION_NAV_ENTRY_COMMITTED,
       content::NotificationService::AllSources());
-#if defined(ENABLE_EXTENSIONS)
+#if BUILDFLAG(ENABLE_EXTENSIONS)
   registrar_.Add(this,
       chrome::NOTIFICATION_TAB_CONTENTS_APPLICATION_EXTENSION_CHANGED,
       content::NotificationService::AllSources());
 #endif
   registrar_.Add(this,
       content::NOTIFICATION_LOAD_COMPLETED_MAIN_FRAME,
       content::NotificationService::AllBrowserContextsAndSources());
   history::HistoryService* history_service =
       HistoryServiceFactory::GetForProfile(profile,
                                            ServiceAccessType::EXPLICIT_ACCESS);
@@ skipping 50 matching lines @@
       SyncedTabDelegate* tab =
           GetSyncedTabDelegateFromWebContents(web_contents);
       if (!tab)
         return;
       if (handler_)
         handler_->OnLocalTabModified(tab);
       if (!tab->ShouldSync(sessions_client_))
         return;
       break;
     }
-#if defined(ENABLE_EXTENSIONS)
+#if BUILDFLAG(ENABLE_EXTENSIONS)
     case chrome::NOTIFICATION_TAB_CONTENTS_APPLICATION_EXTENSION_CHANGED: {
       extensions::TabHelper* extension_tab_helper =
           content::Source<extensions::TabHelper>(source).ptr();
       if (Profile::FromBrowserContext(
               extension_tab_helper->web_contents()->GetBrowserContext()) !=
           profile_) {
         return;
       }
       if (extension_tab_helper->extension_app()) {
         SyncedTabDelegate* tab = GetSyncedTabDelegateFromWebContents(
@@ skipping 43 matching lines @@
   DCHECK(!handler_);
   handler_ = handler;
 }
 
 void NotificationServiceSessionsRouter::Stop() {
   weak_ptr_factory_.InvalidateWeakPtrs();
   handler_ = nullptr;
 }
 
 }  // namespace sync_sessions