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

content/browser/media/session/media_session_impl_visibility_browsertest.cc

Index: content/browser/media/session/media_session_impl_visibility_browsertest.cc
diff --git a/content/browser/media/session/media_session_impl_visibility_browsertest.cc b/content/browser/media/session/media_session_impl_visibility_browsertest.cc
index a5ad0b02355f8a76b1e74939e046ddf11099b063..718fd5379218d45d6acd63809f8fb76f26431532 100644
--- a/content/browser/media/session/media_session_impl_visibility_browsertest.cc
+++ b/content/browser/media/session/media_session_impl_visibility_browsertest.cc
@@ -96,6 +96,13 @@ class MediaSessionImplVisibilityBrowserTest
       scoped_feature_list_.InitAndDisableFeature(media::kResumeBackgroundVideo);
   }
 
+  void SetUp() override {
+    VisibilityTestData params = GetVisibilityTestData();
+    EnableDisableResumingBackgroundVideos(params.background_resuming ==
+                                          BackgroundResuming::ENABLED);
+    ContentBrowserTest::SetUp();
+  }
+
   void SetUpCommandLine(base::CommandLine* command_line) override {
     command_line->AppendSwitch(switches::kIgnoreAutoplayRestrictionsForTests);
 #if !defined(OS_ANDROID)
@@ -108,14 +115,6 @@ class MediaSessionImplVisibilityBrowserTest
       command_line->AppendSwitch(switches::kEnableMediaSuspend);
     else
       command_line->AppendSwitch(switches::kDisableMediaSuspend);
-
-    if (params.background_resuming == BackgroundResuming::ENABLED) {
-      command_line->AppendSwitchASCII(switches::kEnableFeatures,
-                                      media::kResumeBackgroundVideo.name);
-    } else {
-      command_line->AppendSwitchASCII(switches::kDisableFeatures,
-                                      media::kResumeBackgroundVideo.name);
-    }
   }
 
   const VisibilityTestData& GetVisibilityTestData() {