Support Using ScopedFeatureList in BrowserTest

base/test/test_suite.h

Index: base/test/test_suite.h
diff --git a/base/test/test_suite.h b/base/test/test_suite.h
index 82c746eb3c1b687c78cd859f70f0ee485b1294bf..6d852bafb9c92bdea016f29c51f2ed0a70cb73ab 100644
--- a/base/test/test_suite.h
+++ b/base/test/test_suite.h
@@ -15,6 +15,7 @@
 #include "base/at_exit.h"
 #include "base/logging.h"
 #include "base/macros.h"
+#include "base/test/scoped_feature_list.h"
 #include "base/test/trace_to_file.h"
 #include "build/build_config.h"
 
@@ -88,7 +89,7 @@ class TestSuite {
 
   bool initialized_command_line_;
 
-  bool created_feature_list_;
+  test::ScopedFeatureList scoped_feature_list_;
 
   XmlUnitTestResultPrinter* printer_ = nullptr;