Move enable extensions define to a build flag.

components/policy/core/common/schema_registry_unittest.cc

 // Copyright 2013 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 "components/policy/core/common/schema_registry.h"
 
 #include <memory>
 
 #include "components/policy/core/common/policy_namespace.h"
 #include "components/policy/core/common/schema.h"
+#include "extensions/features/features.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 using ::testing::Mock;
 using ::testing::_;
 
 namespace policy {
 
 namespace {
 
@@ skipping 86 matching lines @@
 
   registry.RemoveObserver(&observer);
 }
 
 TEST(SchemaRegistryTest, IsReady) {
   SchemaRegistry registry;
   MockSchemaRegistryObserver observer;
   registry.AddObserver(&observer);
 
   EXPECT_FALSE(registry.IsReady());
-#if defined(ENABLE_EXTENSIONS)
+#if BUILDFLAG(ENABLE_EXTENSIONS)
   EXPECT_CALL(observer, OnSchemaRegistryReady()).Times(0);
   registry.SetExtensionsDomainsReady();
   Mock::VerifyAndClearExpectations(&observer);
   EXPECT_FALSE(registry.IsReady());
 #endif
   EXPECT_CALL(observer, OnSchemaRegistryReady());
   registry.SetDomainReady(POLICY_DOMAIN_CHROME);
   Mock::VerifyAndClearExpectations(&observer);
   EXPECT_TRUE(registry.IsReady());
   EXPECT_CALL(observer, OnSchemaRegistryReady()).Times(0);
@@ skipping 191 matching lines @@
   EXPECT_TRUE(forwarding_2.IsReady());
 
   // Destruction of the wrapped registry doesn't change the readiness of the
   // forwarding registry.
   registry.reset();
   EXPECT_TRUE(forwarding_1.IsReady());
   EXPECT_TRUE(forwarding_2.IsReady());
 }
 
 }  // namespace policy