Forward CSP violation reporting from RenderFrameProxy to RenderFrameImpl.

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 2708a892fadbbfaa71422500ee373b7d8e2fb87e..239a8280038d73f096c53236d20dde19c53999b4 100644
--- a/content/browser/frame_host/frame_tree_node.cc
+++ b/content/browser/frame_host/frame_tree_node.cc
@@ -4,6 +4,7 @@
 
 #include "content/browser/frame_host/frame_tree_node.h"
 
+#include <algorithm>
 #include <queue>
 #include <utility>
 
@@ -249,6 +250,17 @@ void FrameTreeNode::ResetContentSecurityPolicy() {
   render_manager_.OnDidResetContentSecurityPolicy();
 }
 
+bool FrameTreeNode::ContainsContentSecurityPolicyHeader(
+    const std::string& header_value_to_find) {
+  return std::any_of(
+      replication_state_.accumulated_csp_headers.begin(),
+      replication_state_.accumulated_csp_headers.end(),
+      [&header_value_to_find](
+          const ContentSecurityPolicyHeader& accumulated_header) {
+        return accumulated_header.header_value == header_value_to_find;
+      });
+}
+
 void FrameTreeNode::SetInsecureRequestPolicy(
     blink::WebInsecureRequestPolicy policy) {
   if (policy == replication_state_.insecure_request_policy)