Move enable extensions define to a build flag.

chrome/browser/browsing_data/downloads_counter_browsertest.cc

 // Copyright 2016 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/browsing_data/downloads_counter.h"
 
 #include <set>
 
 #include "base/files/file_path.h"
 #include "base/guid.h"
 #include "base/run_loop.h"
 #include "base/strings/string_util.h"
 #include "chrome/browser/download/download_history.h"
 #include "chrome/browser/download/download_service.h"
 #include "chrome/browser/download/download_service_factory.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/test/base/in_process_browser_test.h"
 #include "components/browsing_data/core/browsing_data_utils.h"
 #include "components/browsing_data/core/pref_names.h"
 #include "components/history/core/browser/download_row.h"
 #include "components/prefs/pref_service.h"
 #include "content/public/browser/download_manager.h"
+#include "extensions/features/features.h"
 
-#if defined(ENABLE_EXTENSIONS)
+#if BUILDFLAG(ENABLE_EXTENSIONS)
 #include "extensions/common/extension.h"
 #endif
 
 namespace {
 
 class DownloadsCounterTest : public InProcessBrowserTest,
                              public DownloadHistory::Observer {
  public:
   void SetUpOnMainThread() override {
     time_ = base::Time::Now();
@@ skipping 35 matching lines @@
     // wait for a callback from them, so we don't add them to |guids_to_add_|.
     return AddDownloadInternal(
         content::DownloadItem::COMPLETE,
         content::DownloadDangerType::DOWNLOAD_DANGER_TYPE_NOT_DANGEROUS,
         content::DOWNLOAD_INTERRUPT_REASON_NONE,
         GURL(),
         std::string(),
         true);
   }
 
-#if defined(ENABLE_EXTENSIONS)
+#if BUILDFLAG(ENABLE_EXTENSIONS)
   std::string AddExtensionDownload() {
     // Extension downloads are not expected to be persisted. We don't need to
     // wait for a callback from them, so we don't add them to |guids_to_add_|.
     return AddDownloadInternal(
         content::DownloadItem::COMPLETE,
         content::DownloadDangerType::DOWNLOAD_DANGER_TYPE_NOT_DANGEROUS,
         content::DOWNLOAD_INTERRUPT_REASON_NONE,
         GURL(),
         extensions::Extension::kMimeType,
         false);
@@ skipping 232 matching lines @@
 // Tests that downloads not persisted by DownloadHistory are not counted.
 IN_PROC_BROWSER_TEST_F(DownloadsCounterTest, NotPersisted) {
   Profile* profile = browser()->profile();
   DownloadsCounter counter(profile);
   counter.Init(profile->GetPrefs(),
                base::Bind(&DownloadsCounterTest::ResultCallback,
                           base::Unretained(this)));
 
   // Extension and user scripts download are not persisted.
   AddDownload();
-#if defined(ENABLE_EXTENSIONS)
+#if BUILDFLAG(ENABLE_EXTENSIONS)
   AddUserScriptDownload();
   AddExtensionDownload();
 #endif
 
   WaitForDownloadHistory();
   counter.Restart();
   EXPECT_EQ(1u, GetResult());
 
   // Neither are downloads in incognito mode.
   AddIncognitoDownload();
@@ skipping 43 matching lines @@
   EXPECT_EQ(7u, GetResult());
 
   SetDeletionPeriodPref(browsing_data::FOUR_WEEKS);
   EXPECT_EQ(8u, GetResult());
 
   SetDeletionPeriodPref(browsing_data::ALL_TIME);
   EXPECT_EQ(11u, GetResult());
 }
 
 }  // namespace