Move enable extensions define to a build flag.

chrome/browser/ui/webui/browsing_history_handler.cc

 // Copyright 2015 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/webui/browsing_history_handler.h"
 
 #include <stddef.h>
 
 #include <set>
 #include <utility>
@@ skipping 40 matching lines @@
 #include "components/query_parser/snippet.h"
 #include "components/strings/grit/components_strings.h"
 #include "components/sync/device_info/device_info.h"
 #include "components/sync/device_info/device_info_tracker.h"
 #include "components/sync/driver/sync_service_observer.h"
 #include "components/sync/protocol/history_delete_directive_specifics.pb.h"
 #include "components/sync/protocol/sync_enums.pb.h"
 #include "components/url_formatter/url_formatter.h"
 #include "content/public/browser/url_data_source.h"
 #include "content/public/browser/web_ui.h"
+#include "extensions/features/features.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/l10n/time_format.h"
 
-#if defined(ENABLE_EXTENSIONS)
+#if BUILDFLAG(ENABLE_EXTENSIONS)
 #include "chrome/browser/extensions/activity_log/activity_log.h"
 #endif
 
 #if BUILDFLAG(ENABLE_SUPERVISED_USERS)
 #include "chrome/browser/supervised_user/supervised_user_navigation_observer.h"
 #include "chrome/browser/supervised_user/supervised_user_service.h"
 #include "chrome/browser/supervised_user/supervised_user_service_factory.h"
 #include "chrome/browser/supervised_user/supervised_user_url_filter.h"
 #endif
 
@@ skipping 546 matching lines @@
       &delete_task_tracker_);
 
   if (web_history) {
     has_pending_delete_request_ = true;
     web_history->ExpireHistory(
         expire_list,
         base::Bind(&BrowsingHistoryHandler::RemoveWebHistoryComplete,
                    weak_factory_.GetWeakPtr()));
   }
 
-#if defined(ENABLE_EXTENSIONS)
+#if BUILDFLAG(ENABLE_EXTENSIONS)
   // If the profile has activity logging enabled also clean up any URLs from
   // the extension activity log. The extension activity log contains URLS
   // which websites an extension has activity on so it will indirectly
   // contain websites that a user has visited.
   extensions::ActivityLog* activity_log =
       extensions::ActivityLog::GetInstance(profile);
   for (std::vector<history::ExpireHistoryArgs>::const_iterator it =
        expire_list.begin(); it != expire_list.end(); ++it) {
     activity_log->RemoveURLs(it->urls);
   }
@@ skipping 364 matching lines @@
     const history::URLRows& deleted_rows,
     const std::set<GURL>& favicon_urls) {
   if (all_history || DeletionsDiffer(deleted_rows, urls_to_be_deleted_))
     web_ui()->CallJavascriptFunctionUnsafe("historyDeleted");
 }
 
 void BrowsingHistoryHandler::OnWebHistoryDeleted() {
   if (!has_pending_delete_request_)
     web_ui()->CallJavascriptFunctionUnsafe("historyDeleted");
 }