Replicate feature policy headers to remote frames

third_party/WebKit/public/web/WebFrameClient.h

Index: third_party/WebKit/public/web/WebFrameClient.h
diff --git a/third_party/WebKit/public/web/WebFrameClient.h b/third_party/WebKit/public/web/WebFrameClient.h
index a9d545394537eb5b152752ebedbb5874fbbbc824..abd07841356f787c2ed5783195128ba153d649f5 100644
--- a/third_party/WebKit/public/web/WebFrameClient.h
+++ b/third_party/WebKit/public/web/WebFrameClient.h
@@ -229,6 +229,10 @@ class BLINK_EXPORT WebFrameClient {
   virtual void didChangeSandboxFlags(WebFrame* childFrame,
                                      WebSandboxFlags flags) {}
 
+  // Called when a Feature-Policy HTTP header is encountered while loading the
+  // frame's document.
+  virtual void didSetFeaturePolicyHeader(const WebString& headerValue) {}
+
   // Called when a new Content Security Policy is added to the frame's
   // document.  This can be triggered by handling of HTTP headers, handling
   // of <meta> element, or by inheriting CSP from the parent (in case of