Move enable extensions define to a build flag.

chrome/browser/ui/webui/log_web_ui_url_unittest.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/log_web_ui_url.h"
 
+#include "extensions/features/features.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "url/gurl.h"
 
 TEST(LogWebUIUrlTest, ValidUrls) {
   // Typical WebUI page.
   EXPECT_TRUE(webui::LogWebUIUrl(GURL("chrome://downloads")));
 
   // WebUI page with a subpage.
   EXPECT_TRUE(webui::LogWebUIUrl(GURL("chrome://settings/clearBrowserData")));
 
   // Developer tools scheme.
   EXPECT_TRUE(webui::LogWebUIUrl(GURL("chrome-devtools://devtools")));
 
-#if defined(ENABLE_EXTENSIONS)
+#if BUILDFLAG(ENABLE_EXTENSIONS)
   // Bookmarks Manager (the only currently allowed extension).
   EXPECT_TRUE(webui::LogWebUIUrl(GURL(
       "chrome-extension://eemcgdkfndhakfknompkggombfjjjeno")));
 #endif
 }
 
 TEST(LogWebUIUrlTest, InvalidUrls) {
   // HTTP/HTTPS/FTP/etc. schemes should be ignored.
   EXPECT_FALSE(webui::LogWebUIUrl(GURL("http://google.com?q=pii")));
   EXPECT_FALSE(webui::LogWebUIUrl(GURL("https://facebook.com")));
   EXPECT_FALSE(webui::LogWebUIUrl(GURL("ftp://ftp.mysite.com")));
 
   // Extensions other than the Bookmarks Manager should also be ignored.
   EXPECT_FALSE(webui::LogWebUIUrl(GURL(
       "chrome-extension://mfehgcgbbipciphmccgaenjidiccnmng")));
 }