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

content/common/frame_messages.h

Index: content/common/frame_messages.h
diff --git a/content/common/frame_messages.h b/content/common/frame_messages.h
index 844770fd059b3cc6d291f94c16ddbbe8e012ec8c..14ee5405b04f49d8fd0836f4b93822194bef0c50 100644
--- a/content/common/frame_messages.h
+++ b/content/common/frame_messages.h
@@ -399,6 +399,12 @@ IPC_STRUCT_TRAITS_BEGIN(content::RequestNavigationParams)
 #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)
@@ -1013,7 +1019,8 @@ IPC_MESSAGE_ROUTED2(FrameHostMsg_DidChangeName,
 
 // 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