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 383 matching lines @@
 #if defined(OS_ANDROID)
   IPC_STRUCT_TRAITS_MEMBER(data_url_as_string)
 #endif
 IPC_STRUCT_TRAITS_END()
 
 IPC_STRUCT_TRAITS_BEGIN(content::FrameReplicationState)
   IPC_STRUCT_TRAITS_MEMBER(origin)
   IPC_STRUCT_TRAITS_MEMBER(sandbox_flags)
   IPC_STRUCT_TRAITS_MEMBER(name)
   IPC_STRUCT_TRAITS_MEMBER(unique_name)
+  IPC_STRUCT_TRAITS_MEMBER(feature_policy_header)
   IPC_STRUCT_TRAITS_MEMBER(accumulated_csp_headers)
   IPC_STRUCT_TRAITS_MEMBER(scope)
   IPC_STRUCT_TRAITS_MEMBER(insecure_request_policy)
   IPC_STRUCT_TRAITS_MEMBER(has_potentially_trustworthy_unique_origin)
 IPC_STRUCT_TRAITS_END()
 
 // Parameters included with an OpenURL request.
 // |is_history_navigation_in_new_child| is true in the case that the browser
 // process should look for an existing history item for the frame.
 IPC_STRUCT_BEGIN(FrameHostMsg_OpenURL_Params)
@@ skipping 580 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_DidSetFeaturePolicyHeader, std::string)

[alexmos, 2016/11/17 21:45:59]

Please add a comment for what this is for, and mention it's only sent when the
header is present/non-empty.

[iclelland, 2016/11/18 16:12:37]

Done.

+
 // 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.