Move most Feature Policy code into content/

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 a67de695a205b85c456d5c8f63254140222ec10f..1a041d0d9dff9a0e4b8e23e7be2c686e3988dd28 100644
--- a/content/browser/frame_host/frame_tree_node.cc
+++ b/content/browser/frame_host/frame_tree_node.cc
@@ -256,12 +256,21 @@ void FrameTreeNode::SetFrameName(const std::string& name,
 }
 
 void FrameTreeNode::SetFeaturePolicyHeader(
-    const ParsedFeaturePolicy& parsed_header) {
+    const FeaturePolicyHeader& parsed_header) {
+  ResetFeaturePolicy();

[raymes, 2017/01/19 02:40:56]

Can this be called multiple times for the same frametreenode? I'm not sure but
if not it may be better to DCHECK

   replication_state_.feature_policy_header = parsed_header;
+  feature_policy_->SetHeaderPolicy(parsed_header);
 }
 
 void FrameTreeNode::ResetFeaturePolicy() {
   replication_state_.feature_policy_header.clear();
+  if (parent()) {
+    feature_policy_ = FeaturePolicy::CreateFromParentPolicy(
+        parent()->feature_policy_.get(), current_origin());
+  } else {
+    feature_policy_ =
+        FeaturePolicy::CreateFromParentPolicy(nullptr, current_origin());
+  }
 }
 
 void FrameTreeNode::AddContentSecurityPolicy(