Support Using ScopedFeatureList in BrowserTest

chrome/test/base/in_process_browser_test.h

Index: chrome/test/base/in_process_browser_test.h
diff --git a/chrome/test/base/in_process_browser_test.h b/chrome/test/base/in_process_browser_test.h
index 69cf984c835c374b8077fa5462456fa570af9fb5..5a59a279e1b5fac5342734640e1aa5857f17d9b0 100644
--- a/chrome/test/base/in_process_browser_test.h
+++ b/chrome/test/base/in_process_browser_test.h
@@ -10,6 +10,7 @@
 #include "base/compiler_specific.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/memory/ref_counted.h"
+#include "base/test/scoped_feature_list.h"
 #include "build/build_config.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/test/browser_test.h"
@@ -266,6 +267,8 @@ class InProcessBrowserTest : public content::BrowserTestBase {
   // We use hardcoded quota settings to have a consistent testing environment.
   storage::QuotaSettings quota_settings_;
 
+  base::test::ScopedFeatureList scoped_feature_list_;
+
 #if defined(OS_MACOSX)
   base::mac::ScopedNSAutoreleasePool* autorelease_pool_;
   std::unique_ptr<ScopedBundleSwizzlerMac> bundle_swizzler_;