Referrer Policy: Add a flag to reduce `referer` granularity by default [2/2]

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 16519271659aba77bcdb6b0ec0b74cc659797715..4c51da4c28febaa69b9eab5e364b7c466f730093 100644
--- a/content/child/runtime_features.cc
+++ b/content/child/runtime_features.cc
@@ -188,6 +188,9 @@ void SetRuntimeFeaturesDefaultsAndUpdateFromArgs(
   if (command_line.HasSwitch(switches::kDisableSVG1DOM)) {
     WebRuntimeFeatures::enableSVG1DOM(false);
   }
+
+  if (command_line.HasSwitch(switches::kReducedReferrerGranularity))
+    WebRuntimeFeatures::enableReducedReferrerGranularity(true);
 }
 
 }  // namespace content