Replicate feature policy headers to remote frames

content/common/frame_messages.h

 // 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.
 
 // IPC messages for interacting with frames.
 // Multiply-included message file, hence no include guard.
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 977 matching lines @@
 IPC_MESSAGE_ROUTED0(FrameHostMsg_DidStopLoading)
 
 // Notifies the browser that this frame has new session history information.
 IPC_MESSAGE_ROUTED1(FrameHostMsg_UpdateState, content::PageState /* state */)
 
 // Sent when the frame changes its window.name.
 IPC_MESSAGE_ROUTED2(FrameHostMsg_DidChangeName,
                     std::string /* name */,
                     std::string /* unique_name */)
 
+IPC_MESSAGE_ROUTED1(FrameHostMsg_DidAddFeaturePolicyHeader, std::string)
+
 // Notifies the browser process about a new Content Security Policy that needs
 // to be applies to the frame.  This message is sent when a frame commits
 // navigation to a new location (reporting accumulated policies from HTTP
 // headers and/or policies that might have been inherited from the parent frame)
 // or when a new policy has been discovered afterwards (i.e. found in a
 // dynamically added or a static <meta> element).
 IPC_MESSAGE_ROUTED1(FrameHostMsg_DidAddContentSecurityPolicy,
                     content::ContentSecurityPolicyHeader)
 
 // Sent when the frame starts enforcing an insecure request policy. Sending
@@ skipping 505 matching lines @@
 // nearest find result in the sending frame.
 IPC_MESSAGE_ROUTED2(FrameHostMsg_GetNearestFindResult_Reply,
                     int /* nfr_request_id */,
                     float /* distance */)
 #endif
 
 // Adding a new message? Stick to the sort order above: first platform
 // independent FrameMsg, then ifdefs for platform specific FrameMsg, then
 // platform independent FrameHostMsg, then ifdefs for platform specific
 // FrameHostMsg.