Move enable extensions define to a build flag.

chrome/browser/supervised_user/supervised_user_url_filter_unittest.cc

 // Copyright 2014 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/supervised_user/supervised_user_url_filter.h"
 
 #include <memory>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/memory/ref_counted.h"
 #include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/supervised_user/supervised_user_site_list.h"
+#include "extensions/features/features.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "url/gurl.h"
 
 class SupervisedUserURLFilterTest : public ::testing::Test,
                                     public SupervisedUserURLFilter::Observer {
  public:
   SupervisedUserURLFilterTest() : filter_(new SupervisedUserURLFilter) {
     filter_->SetDefaultFilteringBehavior(SupervisedUserURLFilter::BLOCK);
     filter_->AddObserver(this);
   }
@@ skipping 486 matching lines @@
       filter_->GetMatchingWhitelistTitles(GURL("http://example.com"));
   ASSERT_EQ(expected_whitelists, actual_whitelists);
 
   expected_whitelists.erase(id1);
 
   actual_whitelists =
       filter_->GetMatchingWhitelistTitles(GURL("https://secure.com"));
   ASSERT_EQ(expected_whitelists, actual_whitelists);
 }
 
-#if defined(ENABLE_EXTENSIONS)
+#if BUILDFLAG(ENABLE_EXTENSIONS)
 TEST_F(SupervisedUserURLFilterTest, ChromeWebstoreDownloadsAreAlwaysAllowed) {
   // When installing an extension from Chrome Webstore, it tries to download the
   // crx file from "https://clients2.google.com/service/update2/", which
   // redirects to "https://clients2.googleusercontent.com/crx/blobs/"
   // or "https://chrome.google.com/webstore/download/".
   // All URLs should be whitelisted regardless from the default filtering
   // behavior.
   GURL crx_download_url1(
       "https://clients2.google.com/service/update2/"
       "crx?response=redirect&os=linux&arch=x64&nacl_arch=x86-64&prod="
@@ skipping 144 matching lines @@
   // Wrong fingerprint.
   EXPECT_EQ(GURL(), GetEmbeddedURL("https://webcache.googleusercontent.com/"
                                    "search?q=cache:123:example.com/"));
   // Wrong query param.
   EXPECT_EQ(GURL(), GetEmbeddedURL("https://webcache.googleusercontent.com/"
                                    "search?a=cache:example.com/"));
   // Invalid scheme.
   EXPECT_EQ(GURL(), GetEmbeddedURL("https://webcache.googleusercontent.com/"
                                    "search?q=cache:abc://example.com/"));
 }