Replicate feature policy headers to remote frames

third_party/WebKit/Source/core/loader/FrameLoaderClient.h

Index: third_party/WebKit/Source/core/loader/FrameLoaderClient.h
diff --git a/third_party/WebKit/Source/core/loader/FrameLoaderClient.h b/third_party/WebKit/Source/core/loader/FrameLoaderClient.h
index 534d22b4f37461d9abcf2a3787d7914682d5688b..4c87219875a8b5b258dd25c23e626cab992cdd0e 100644
--- a/third_party/WebKit/Source/core/loader/FrameLoaderClient.h
+++ b/third_party/WebKit/Source/core/loader/FrameLoaderClient.h
@@ -270,6 +270,8 @@ class CORE_EXPORT FrameLoaderClient : public FrameClient {
 
   virtual void didChangeSandboxFlags(Frame* childFrame, SandboxFlags) {}
 
+  virtual void didAddFeaturePolicyHeader(const String& 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 about:blank).