Move enable extensions define to a build flag.

chrome/browser/ui/tab_helpers.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/ui/tab_helpers.h"
 
 #include <memory>
 #include <utility>
 
 #include "base/command_line.h"
@@ skipping 41 matching lines @@
 #include "components/autofill/content/browser/content_autofill_driver_factory.h"
 #include "components/autofill/core/browser/autofill_manager.h"
 #include "components/dom_distiller/content/browser/web_contents_main_frame_observer.h"
 #include "components/dom_distiller/core/dom_distiller_switches.h"
 #include "components/history/content/browser/web_contents_top_sites_observer.h"
 #include "components/history/core/browser/top_sites.h"
 #include "components/password_manager/core/browser/password_manager.h"
 #include "components/subresource_filter/content/browser/content_subresource_filter_driver_factory.h"
 #include "components/tracing/common/tracing_switches.h"
 #include "content/public/browser/web_contents.h"
+#include "extensions/features/features.h"
 #include "printing/features/features.h"
 
 #if BUILDFLAG(ANDROID_JAVA_UI)
 #include "chrome/browser/android/banners/app_banner_manager_android.h"
 #include "chrome/browser/android/data_usage/data_use_tab_helper.h"
 #include "chrome/browser/android/offline_pages/offline_page_tab_helper.h"
 #include "chrome/browser/android/offline_pages/recent_tab_helper.h"
 #include "chrome/browser/android/search_geolocation_disclosure_tab_helper.h"
 #include "chrome/browser/android/voice_search_tab_helper.h"
 #include "chrome/browser/android/webapps/single_tab_mode_tab_helper.h"
@@ skipping 13 matching lines @@
 #include "chrome/browser/ui/sync/tab_contents_synced_tab_delegate.h"
 #include "components/pdf/browser/pdf_web_contents_helper.h"
 #include "components/web_modal/web_contents_modal_dialog_manager.h"
 #include "components/zoom/zoom_controller.h"
 #endif  // BUILDFLAG(ANDROID_JAVA_UI)
 
 #if BUILDFLAG(ENABLE_CAPTIVE_PORTAL_DETECTION)
 #include "chrome/browser/captive_portal/captive_portal_tab_helper.h"
 #endif
 
-#if defined(ENABLE_EXTENSIONS)
+#if BUILDFLAG(ENABLE_EXTENSIONS)
 #include "chrome/browser/extensions/api/web_navigation/web_navigation_api.h"
 #include "chrome/browser/extensions/chrome_extension_web_contents_observer.h"
 #include "chrome/browser/extensions/tab_helper.h"
 #include "extensions/browser/view_type_utils.h"
 #endif
 
 #if BUILDFLAG(ENABLE_SUPERVISED_USERS)
 #include "chrome/browser/supervised_user/supervised_user_navigation_observer.h"
 #endif
 
@@ skipping 20 matching lines @@
   // If already adopted, nothing to be done.
   base::SupportsUserData::Data* adoption_tag =
       web_contents->GetUserData(&kTabContentsAttachedTabHelpersUserDataKey);
   if (adoption_tag)
     return;
 
   // Mark as adopted.
   web_contents->SetUserData(&kTabContentsAttachedTabHelpersUserDataKey,
                             new base::SupportsUserData::Data());
 
-#if defined(ENABLE_EXTENSIONS)
+#if BUILDFLAG(ENABLE_EXTENSIONS)
   // Set the view type.
   extensions::SetViewType(web_contents, extensions::VIEW_TYPE_TAB_CONTENTS);
 #endif
 
   // Create all the tab helpers.
 
   // SessionTabHelper comes first because it sets up the tab ID, and other
   // helpers may rely on that.
   SessionTabHelper::CreateForWebContents(web_contents);
 #if !BUILDFLAG(ANDROID_JAVA_UI)
@@ skipping 92 matching lines @@
 #if defined(OS_WIN) || defined(OS_MACOSX) || \
     (defined(OS_LINUX) && !defined(OS_CHROMEOS))
   metrics::DesktopSessionDurationObserver::CreateForWebContents(web_contents);
 #endif
 // --- Feature tab helpers behind flags ---
 
 #if BUILDFLAG(ENABLE_CAPTIVE_PORTAL_DETECTION)
   CaptivePortalTabHelper::CreateForWebContents(web_contents);
 #endif
 
-#if defined(ENABLE_EXTENSIONS)
+#if BUILDFLAG(ENABLE_EXTENSIONS)
   extensions::TabHelper::CreateForWebContents(web_contents);
 #endif
 
 #if BUILDFLAG(ENABLE_SUPERVISED_USERS)
   SupervisedUserNavigationObserver::CreateForWebContents(web_contents);
 #endif
 
 #if BUILDFLAG(ENABLE_PRINTING) && !BUILDFLAG(ANDROID_JAVA_UI)
 #if BUILDFLAG(ENABLE_PRINT_PREVIEW)
   printing::PrintViewManager::CreateForWebContents(web_contents);
@@ skipping 12 matching lines @@
 
   if (predictors::ResourcePrefetchPredictorFactory::GetForProfile(
       web_contents->GetBrowserContext())) {
     predictors::ResourcePrefetchPredictorTabHelper::CreateForWebContents(
         web_contents);
   }
 
   if (tracing::NavigationTracingObserver::IsEnabled())
     tracing::NavigationTracingObserver::CreateForWebContents(web_contents);
 }