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

content/browser/shared_worker/worker_browsertest.cc

Index: content/browser/shared_worker/worker_browsertest.cc
diff --git a/content/browser/shared_worker/worker_browsertest.cc b/content/browser/shared_worker/worker_browsertest.cc
index f991ff4e0043bf5a753f0e33dfe22983fcdd89ee..d838af79212faf161faae3c554d444d54015442e 100644
--- a/content/browser/shared_worker/worker_browsertest.cc
+++ b/content/browser/shared_worker/worker_browsertest.cc
@@ -10,6 +10,7 @@
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/sys_info.h"
+#include "base/test/scoped_feature_list.h"
 #include "base/test/test_timeouts.h"
 #include "build/build_config.h"
 #include "content/public/browser/browser_thread.h"
@@ -114,13 +115,14 @@ class WorkerFetchTest : public testing::WithParamInterface<bool>,
   ~WorkerFetchTest() override {}
   void SetUpCommandLine(base::CommandLine* command_line) override {
     if (GetParam()) {
-      command_line->AppendSwitchASCII(switches::kEnableFeatures,
-                                      features::kOffMainThreadFetch.name);
+      scoped_feature_list_.InitAndEnableFeature(features::kOffMainThreadFetch);
     } else {
-      command_line->AppendSwitchASCII(switches::kDisableFeatures,
-                                      features::kOffMainThreadFetch.name);
+      scoped_feature_list_.InitAndDisableFeature(features::kOffMainThreadFetch);
     }
   }
+
+ private:
+  base::test::ScopedFeatureList scoped_feature_list_;
 };
 
 IN_PROC_BROWSER_TEST_F(WorkerTest, SingleWorker) {