[WIP NOT FOR COMMIT] Feature policy: Add basic algorithm for supporting frame policies, start plumb…

content/browser/frame_host/frame_tree_node.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/browser/frame_host/frame_tree_node.h"
 
 #include <queue>
 #include <utility>
 
 #include "base/macros.h"
@@ skipping 249 matching lines @@
     const FeaturePolicyHeader& parsed_header) {
   ResetFeaturePolicy();
   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());
+        parent()->feature_policy_.get(), nullptr, current_origin());
   } else {
-    feature_policy_ =
-        FeaturePolicy::CreateFromParentPolicy(nullptr, current_origin());
+    feature_policy_ = FeaturePolicy::CreateFromParentPolicy(nullptr, nullptr,
+                                                            current_origin());
   }
 }
 
 void FrameTreeNode::AddContentSecurityPolicy(
     const ContentSecurityPolicyHeader& header) {
   replication_state_.accumulated_csp_headers.push_back(header);
   render_manager_.OnDidAddContentSecurityPolicy(header);
 }
 
 void FrameTreeNode::ResetContentSecurityPolicy() {
@@ skipping 252 matching lines @@
       }
       return parent_->child_at(i + relative_offset);
     }
   }
 
   NOTREACHED() << "FrameTreeNode not found in its parent's children.";
   return nullptr;
 }
 
 }  // namespace content