Move enable extensions define to a build flag.

chrome/browser/supervised_user/supervised_user_url_filter.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 <stddef.h>
 #include <stdint.h>
 
 #include <set>
 #include <utility>
 
 #include "base/containers/hash_tables.h"
 #include "base/files/file_path.h"
 #include "base/json/json_file_value_serializer.h"
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
 #include "base/sha1.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_util.h"
 #include "base/task_runner_util.h"
 #include "base/threading/sequenced_worker_pool.h"
 #include "chrome/browser/supervised_user/experimental/supervised_user_blacklist.h"
 #include "components/google/core/browser/google_util.h"
 #include "components/policy/core/browser/url_blacklist_manager.h"
 #include "components/url_formatter/url_fixer.h"
 #include "components/url_matcher/url_matcher.h"
 #include "content/public/browser/browser_thread.h"
+#include "extensions/features/features.h"
 #include "net/base/escape.h"
 #include "net/base/registry_controlled_domains/registry_controlled_domain.h"
 #include "net/base/url_util.h"
 #include "url/gurl.h"
 #include "url/url_constants.h"
 
-#if defined(ENABLE_EXTENSIONS)
+#if BUILDFLAG(ENABLE_EXTENSIONS)
 #include "extensions/common/extension_urls.h"
 #endif
 
 using content::BrowserThread;
 using net::registry_controlled_domains::EXCLUDE_UNKNOWN_REGISTRIES;
 using net::registry_controlled_domains::EXCLUDE_PRIVATE_REGISTRIES;
 using net::registry_controlled_domains::GetCanonicalHostRegistryLength;
 using policy::URLBlacklist;
 using url_matcher::URLMatcher;
 using url_matcher::URLMatcherConditionSet;
@@ skipping 39 matching lines @@
 // allowed.
 const char* kFilteredSchemes[] = {
   "http",
   "https",
   "ftp",
   "gopher",
   "ws",
   "wss"
 };
 
-#if defined(ENABLE_EXTENSIONS)
+#if BUILDFLAG(ENABLE_EXTENSIONS)
 const char* kCrxDownloadUrls[] = {
     "https://clients2.googleusercontent.com/crx/blobs/",
     "https://chrome.google.com/webstore/download/"
 };
 #endif
 
 // This class encapsulates all the state that is required during construction of
 // a new SupervisedUserURLFilter::Contents.
 class FilterBuilder {
  public:
@@ skipping 236 matching lines @@
   GURL effective_url = GetEmbeddedURL(url);
   if (!effective_url.is_valid())
     effective_url = url;
 
   *reason = supervised_user_error_page::MANUAL;
 
   // URLs with a non-standard scheme (e.g. chrome://) are always allowed.
   if (!HasFilteredScheme(effective_url))
     return ALLOW;
 
-#if defined(ENABLE_EXTENSIONS)
+#if BUILDFLAG(ENABLE_EXTENSIONS)
   // Allow webstore crx downloads. This applies to both extension installation
   // and updates.
   if (extension_urls::GetWebstoreUpdateUrl() == Normalize(effective_url))
     return ALLOW;
 
   // The actual CRX files are downloaded from other URLs. Allow them too.
   for (const char* crx_download_url_str : kCrxDownloadUrls) {
     GURL crx_download_url(crx_download_url_str);
     if (effective_url.SchemeIs(url::kHttpsScheme) &&
         crx_download_url.host_piece() == effective_url.host_piece() &&
@@ skipping 260 matching lines @@
 
   FilteringBehavior behavior =
       GetBehaviorFromSafeSearchClassification(classification);
 
   callback.Run(behavior, supervised_user_error_page::ASYNC_CHECKER, uncertain);
   for (Observer& observer : observers_) {
     observer.OnURLChecked(url, behavior,
                           supervised_user_error_page::ASYNC_CHECKER, uncertain);
   }
 }