Replicate a parsed feature policy representation so it doesn't need to be parsed in the browser pro…

content/browser/frame_host/frame_tree_node.cc

Index: content/browser/frame_host/frame_tree_node.cc
diff --git a/content/browser/frame_host/frame_tree_node.cc b/content/browser/frame_host/frame_tree_node.cc
index 58f7c3dce2d40e15f20b68f5318e0b04c2228787..c4d6c2358fef5720ed15400a8f8befcb9cde1352 100644
--- a/content/browser/frame_host/frame_tree_node.cc
+++ b/content/browser/frame_host/frame_tree_node.cc
@@ -255,12 +255,13 @@ void FrameTreeNode::SetFrameName(const std::string& name,
   replication_state_.unique_name = unique_name;
 }
 
-void FrameTreeNode::SetFeaturePolicyHeader(const std::string& header) {
-  replication_state_.feature_policy_header = header;
+void FrameTreeNode::SetFeaturePolicyHeader(
+    const std::vector<FeaturePolicyParsedWhitelist>& parsed_whitelists) {
+  replication_state_.feature_policy_header = parsed_whitelists;
 }
 
 void FrameTreeNode::ResetFeaturePolicy() {
-  replication_state_.feature_policy_header = "";
+  replication_state_.feature_policy_header.clear();
 }
 
 void FrameTreeNode::AddContentSecurityPolicy(