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

content/browser/service_worker/service_worker_browsertest.cc

Index: content/browser/service_worker/service_worker_browsertest.cc
diff --git a/content/browser/service_worker/service_worker_browsertest.cc b/content/browser/service_worker/service_worker_browsertest.cc
index c3c95bb399e1412b49f74cdff2059b7b4e43e2de..e098316b58b15fac527be654f3f66669d7be721b 100644
--- a/content/browser/service_worker/service_worker_browsertest.cc
+++ b/content/browser/service_worker/service_worker_browsertest.cc
@@ -1338,9 +1338,11 @@ class ServiceWorkerVersionOffMainThreadFetchTest
  public:
   ~ServiceWorkerVersionOffMainThreadFetchTest() override {}
   void SetUpCommandLine(base::CommandLine* command_line) override {
-    command_line->AppendSwitchASCII(switches::kEnableFeatures,
-                                    features::kOffMainThreadFetch.name);
+    scoped_feature_list_.InitAndEnableFeature(features::kOffMainThreadFetch);
   }
+
+ private:
+  base::test::ScopedFeatureList scoped_feature_list_;
 };
 
 IN_PROC_BROWSER_TEST_F(ServiceWorkerVersionBrowserTest, FetchWithSaveData) {
@@ -1552,9 +1554,8 @@ class ServiceWorkerNavigationPreloadTest : public ServiceWorkerBrowserTest {
   }
 
   void SetUpCommandLine(base::CommandLine* command_line) override {
-    command_line->AppendSwitchASCII(
-        switches::kEnableFeatures,
-        features::kServiceWorkerNavigationPreload.name);
+    scoped_feature_list_.InitAndEnableFeature(
+        features::kServiceWorkerNavigationPreload);
   }
 
  protected:
@@ -1662,6 +1663,7 @@ class ServiceWorkerNavigationPreloadTest : public ServiceWorkerBrowserTest {
       request_log_;
 
  private:
+  base::test::ScopedFeatureList scoped_feature_list_;
   class CustomResponse : public net::test_server::HttpResponse {
    public:
     CustomResponse(const std::string& response) : response_(response) {}