Remove PassiveEventListenersDueToFling from WebRuntimeFeatures

content/child/runtime_features.cc

Index: content/child/runtime_features.cc
diff --git a/content/child/runtime_features.cc b/content/child/runtime_features.cc
index 9ded7576ef42eaf18b5845f7cb6da4226e4a7f11..b2eb95f4f1366915cdab7887d86eb33667703d74 100644
--- a/content/child/runtime_features.cc
+++ b/content/child/runtime_features.cc
@@ -271,9 +271,6 @@ void SetRuntimeFeaturesDefaultsAndUpdateFromArgs(
   WebRuntimeFeatures::enablePassiveDocumentEventListeners(
       base::FeatureList::IsEnabled(features::kPassiveDocumentEventListeners));
 
-  if (base::FeatureList::IsEnabled(features::kPassiveEventListenersDueToFling))
-    WebRuntimeFeatures::enablePassiveEventListenersDueToFling(true);
-
   WebRuntimeFeatures::enableFeatureFromString(
       "FontCacheScaling",
       base::FeatureList::IsEnabled(features::kFontCacheScaling));