Move enable extensions define to a build flag.

chrome/browser/download/download_history_unittest.cc

 // 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.
 
 #include "chrome/browser/download/download_history.h"
 
 #include <stddef.h>
 #include <stdint.h>
 #include <utility>
 #include <vector>
 
 #include "base/guid.h"
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
 #include "base/memory/weak_ptr.h"
 #include "base/rand_util.h"
 #include "base/stl_util.h"
 #include "components/history/content/browser/download_constants_utils.h"
 #include "components/history/core/browser/download_constants.h"
 #include "components/history/core/browser/download_row.h"
 #include "components/history/core/browser/history_service.h"
 #include "content/public/test/mock_download_item.h"
 #include "content/public/test/mock_download_manager.h"
 #include "content/public/test/test_browser_thread.h"
 #include "content/public/test/test_utils.h"
+#include "extensions/features/features.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
-#if defined(ENABLE_EXTENSIONS)
+#if BUILDFLAG(ENABLE_EXTENSIONS)
 #include "chrome/browser/extensions/api/downloads/downloads_api.h"
 #endif
 
 using testing::DoAll;
 using testing::Invoke;
 using testing::Return;
 using testing::ReturnRefOfCopy;
 using testing::SetArgPointee;
 using testing::WithArg;
 using testing::_;
@@ skipping 391 matching lines @@
         .WillRepeatedly(Return(danger_type));
     EXPECT_CALL(item(index), GetLastReason())
         .WillRepeatedly(Return(interrupt_reason));
     EXPECT_CALL(item(index), GetOpened()).WillRepeatedly(Return(opened));
     EXPECT_CALL(item(index), GetTargetDisposition())
         .WillRepeatedly(
             Return(content::DownloadItem::TARGET_DISPOSITION_OVERWRITE));
     EXPECT_CALL(manager(), GetDownload(id))
         .WillRepeatedly(Return(&item(index)));
     EXPECT_CALL(item(index), IsTemporary()).WillRepeatedly(Return(false));
-#if defined(ENABLE_EXTENSIONS)
+#if BUILDFLAG(ENABLE_EXTENSIONS)
     new extensions::DownloadedByExtension(
         &item(index), by_extension_id, by_extension_name);
 #endif
 
     std::vector<content::DownloadItem*> items;
     for (size_t i = 0; i < items_.size(); ++i) {
       items.push_back(&item(i));
     }
     EXPECT_CALL(*manager_.get(), GetAllDownloads(_))
         .WillRepeatedly(SetArgPointee<0>(items));
@@ skipping 444 matching lines @@
   FinishCreateDownload();
   EXPECT_TRUE(DownloadHistory::IsPersisted(&item(0)));
 
   // ItemAdded should call OnDownloadUpdated, which should detect that the item
   // changed while it was being added and call UpdateDownload immediately.
   info.opened = true;
   ExpectDownloadUpdated(info);
 }
 
 }  // anonymous namespace