Replicate a parsed feature policy representation so it doesn't need to be parsed in the browser pro…

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 381 matching lines @@
   IPC_STRUCT_TRAITS_MEMBER(should_clear_history_list)
   IPC_STRUCT_TRAITS_MEMBER(should_create_service_worker)
   IPC_STRUCT_TRAITS_MEMBER(navigation_timing)
   IPC_STRUCT_TRAITS_MEMBER(service_worker_provider_id)
   IPC_STRUCT_TRAITS_MEMBER(has_user_gesture)
 #if defined(OS_ANDROID)
   IPC_STRUCT_TRAITS_MEMBER(data_url_as_string)
 #endif
 IPC_STRUCT_TRAITS_END()
 
+IPC_STRUCT_TRAITS_BEGIN(content::FeaturePolicyParsedWhitelist)
+  IPC_STRUCT_TRAITS_MEMBER(feature_name)
+  IPC_STRUCT_TRAITS_MEMBER(matches_all_origins)
+  IPC_STRUCT_TRAITS_MEMBER(origins)
+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)
@@ skipping 593 matching lines @@
 
 // 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 */)
 
 // Notifies the browser process that a non-empty Feature-Policy HTTP header was
 // delivered with the document being loaded into the frame.

[alexmos, 2016/12/01 02:04:19]

Might be worth explaining what the arg is now (a list of origin whitelists for
each feature).

[raymes, 2016/12/01 03:03:09]

Done.

-IPC_MESSAGE_ROUTED1(FrameHostMsg_DidSetFeaturePolicyHeader, std::string)
+IPC_MESSAGE_ROUTED1(FrameHostMsg_DidSetFeaturePolicyHeader,
+                    std::vector<content::FeaturePolicyParsedWhitelist>)
 
 // 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)
 
@@ skipping 512 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.