[Cleanup] Move all browsertests to use ScopedFeatureList to modify features

components/safe_browsing_db/features.cc

Index: components/safe_browsing_db/features.cc
diff --git a/components/safe_browsing_db/features.cc b/components/safe_browsing_db/features.cc
new file mode 100644
index 0000000000000000000000000000000000000000..a8e2771ef976d9914d0e64454a52127cc11b68df
--- /dev/null
+++ b/components/safe_browsing_db/features.cc
@@ -0,0 +1,12 @@
+// Copyright 2017 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/safe_browsing_db/features.h"
+
+namespace features {
+
+const base::Feature kV4OnlyEnabled{"SafeBrowsingV4OnlyEnabled",
+                                   base::FEATURE_DISABLED_BY_DEFAULT};
+
+}  // namespace features