Migrate more tests to ScopedFeatureList.

content/browser/memory/memory_coordinator.cc

Index: content/browser/memory/memory_coordinator.cc
diff --git a/content/browser/memory/memory_coordinator.cc b/content/browser/memory/memory_coordinator.cc
index 1c6df06eb8f4e59061aa3a55795b583839175e46..60d48f43d81fa8579e2586601ca7c88d4d277396 100644
--- a/content/browser/memory/memory_coordinator.cc
+++ b/content/browser/memory/memory_coordinator.cc
@@ -140,14 +140,6 @@ void MemoryCoordinator::RecordMemoryPressure(
   }
 }
 
-void MemoryCoordinator::EnableFeaturesForTesting() {
-  base::FeatureList::ClearInstanceForTesting();
-  std::unique_ptr<base::FeatureList> feature_list(new base::FeatureList);
-  feature_list->InitializeFromCommandLine(features::kMemoryCoordinator.name,
-                                          "");
-  base::FeatureList::SetInstance(std::move(feature_list));
-}
-
 base::MemoryState MemoryCoordinator::GetCurrentMemoryState() const {
   return base::MemoryState::UNKNOWN;
 }