Move enable extensions define to a build flag.

chrome/browser/web_applications/web_app_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/web_applications/web_app.h"
 
 #include <memory>
 
 #include "base/files/file_path.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/web_applications/web_app.h"
 #include "chrome/common/render_messages.h"
 #include "chrome/test/base/chrome_render_view_host_test_harness.h"
 #include "content/public/test/test_renderer_host.h"
+#include "extensions/features/features.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 #if defined(TOOLKIT_VIEWS)
 #include "chrome/browser/extensions/tab_helper.h"
 #include "chrome/browser/favicon/favicon_utils.h"
 #endif
 
 using content::RenderViewHostTester;
 
 class WebApplicationTest : public ChromeRenderViewHostTestHarness {
@@ skipping 23 matching lines @@
       rvh(), ChromeViewHostMsg_DidGetWebApplicationInfo(0, web_app_info));
   std::unique_ptr<web_app::ShortcutInfo> info =
       web_app::GetShortcutInfoForTab(web_contents());
 
   EXPECT_EQ(title, info->title);
   EXPECT_EQ(description, info->description);
   EXPECT_EQ(url, info->url);
 }
 #endif
 
-#if defined(ENABLE_EXTENSIONS)
+#if BUILDFLAG(ENABLE_EXTENSIONS)
 TEST_F(WebApplicationTest, AppDirWithId) {
   base::FilePath profile_path(FILE_PATH_LITERAL("profile"));
   base::FilePath result(
       web_app::GetWebAppDataDirectory(profile_path, "123", GURL()));
   base::FilePath expected = profile_path.AppendASCII("Web Applications")
                                   .AppendASCII("_crx_123");
   EXPECT_EQ(expected, result);
 }
 
 TEST_F(WebApplicationTest, AppDirWithUrl) {
   base::FilePath profile_path(FILE_PATH_LITERAL("profile"));
   base::FilePath result(web_app::GetWebAppDataDirectory(
       profile_path, std::string(), GURL("http://example.com")));
   base::FilePath expected = profile_path.AppendASCII("Web Applications")
       .AppendASCII("example.com").AppendASCII("http_80");
   EXPECT_EQ(expected, result);
 }
 #endif // ENABLE_EXTENSIONS