Move enable extensions define to a build flag.

chrome/browser/renderer_host/chrome_render_message_filter.h

 // 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.
 
 #ifndef CHROME_BROWSER_RENDERER_HOST_CHROME_RENDER_MESSAGE_FILTER_H_
 #define CHROME_BROWSER_RENDERER_HOST_CHROME_RENDER_MESSAGE_FILTER_H_
 
 #include <string>
 #include <vector>
 
 #include "base/callback.h"
 #include "base/macros.h"
 #include "base/sequenced_task_runner_helpers.h"
 #include "content/public/browser/browser_message_filter.h"
+#include "extensions/features/features.h"
 
 class GURL;
 class Profile;
 
 namespace blink {
 enum class WebNavigationHintType;
 }
 
 namespace chrome_browser_net {
 class Predictor;
@@ skipping 52 matching lines @@
                        bool* allowed);
   void OnAllowDOMStorage(int render_frame_id,
                          const GURL& origin_url,
                          const GURL& top_origin_url,
                          bool local,
                          bool* allowed);
   void OnRequestFileSystemAccessSync(int render_frame_id,
                                      const GURL& origin_url,
                                      const GURL& top_origin_url,
                                      IPC::Message* message);
-#if defined(ENABLE_EXTENSIONS)
+#if BUILDFLAG(ENABLE_EXTENSIONS)
   static void FileSystemAccessedSyncOnUIThread(
       int render_process_id,
       int render_frame_id,
       const GURL& url,
       bool blocked_by_policy,
       IPC::Message* reply_msg);
 #endif
   void OnRequestFileSystemAccessAsync(int render_frame_id,
                                       int request_id,
                                       const GURL& origin_url,
                                       const GURL& top_origin_url);
   void OnRequestFileSystemAccessSyncResponse(IPC::Message* reply_msg,
                                              bool allowed);
   void OnRequestFileSystemAccessAsyncResponse(int render_frame_id,
                                               int request_id,
                                               bool allowed);
   void OnRequestFileSystemAccess(int render_frame_id,
                                  const GURL& origin_url,
                                  const GURL& top_origin_url,
                                  base::Callback<void(bool)> callback);
-#if defined(ENABLE_EXTENSIONS)
+#if BUILDFLAG(ENABLE_EXTENSIONS)
   static void FileSystemAccessedOnUIThread(int render_process_id,
                                            int render_frame_id,
                                            const GURL& url,
                                            bool allowed,
                                            base::Callback<void(bool)> callback);
   static void FileSystemAccessedResponse(int render_process_id,
                                          int render_frame_id,
                                          const GURL& url,
                                          base::Callback<void(bool)> callback,
                                          bool allowed);
@@ skipping 23 matching lines @@
   // Used to look up permissions at database creation time.
   scoped_refptr<content_settings::CookieSettings> cookie_settings_;
 
   // Used to start Service Workers for navigation hints.
   content::ServiceWorkerContext* service_worker_context_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromeRenderMessageFilter);
 };
 
 #endif  // CHROME_BROWSER_RENDERER_HOST_CHROME_RENDER_MESSAGE_FILTER_H_