CSP: group policies in didAddContentSecurityPolicy.

content/browser/frame_host/frame_tree_node.h

Index: content/browser/frame_host/frame_tree_node.h
diff --git a/content/browser/frame_host/frame_tree_node.h b/content/browser/frame_host/frame_tree_node.h
index 5409f415b3f462626a63ba76b9d46fc9b3914c17..ab75c86bdfe930136930aa7c3a744b421b82c0d4 100644
--- a/content/browser/frame_host/frame_tree_node.h
+++ b/content/browser/frame_host/frame_tree_node.h
@@ -167,9 +167,9 @@ class CONTENT_EXPORT FrameTreeNode {
   // Clear any feature policy header associated with the frame.
   void ResetFeaturePolicyHeader();
 
-  // Add CSP header to replication state, notify proxies about the update and
-  // enforce it on the browser.
-  void AddContentSecurityPolicy(const ContentSecurityPolicyHeader& header);
+  // Add CSP headers to replication state, notify proxies about the update.
+  void AddContentSecurityPolicies(
+      const std::vector<ContentSecurityPolicyHeader>& headers);
 
   // Discards previous CSP headers and notifies proxies about the update.
   // Typically invoked after committing navigation to a new document (since the