servo: Merge #17491 - Introduce service-worker mode (from KiChjang:update-fetch); r=jdm

Bringing in the spec changes from whatwg/fetch#435.

Source-Repo: https://github.com/servo/servo
Source-Revision: e2a26e7bd0d8089a441bc3072cf15351b0ef1252

UltraBlame original commit: 7ad2e4b94b03bb9e821f6962fc7df6fc0f936519

Author: marco-c

servo/components/net/http_loader.rs

@@ -347,6 +347,7 @@ request
 :
 {
 ResponseTainting
+ServiceWorkersMode
 Type
 }
 ;
@@ -3452,17 +3453,80 @@ Response
 None
 ;
 if
+request
+.
+service_workers_mode
 !
+=
+ServiceWorkersMode
+:
+:
+None
+{
+if
 request
 .
-skip_service_worker
+service_workers_mode
+=
+=
+ServiceWorkersMode
+:
+:
+All
+{
+}
+if
+response
+.
+is_none
+(
+)
 &
 &
-!
 request
 .
-is_service_worker_global_scope
+is_subresource_request
+(
+)
+&
+&
+match
+request
+.
+origin
+{
+Origin
+:
+:
+Origin
+(
+ref
+origin
+)
+if
+*
+origin
+=
+=
+request
+.
+url
+(
+)
+.
+origin
+(
+)
+=
+>
+true
+_
+=
+>
+false
+}
 {
+}
 if
 let
 Some
@@ -3753,12 +3817,27 @@ clone
 }
 }
 }
+if
 request
 .
-skip_service_worker
+redirect_mode
 =
-true
+=
+RedirectMode
+:
+:
+Follow
+{
+request
+.
+service_workers_mode
+=
+ServiceWorkersMode
+:
+:
+Foreign
 ;
+}
 let
 mut
 fetch_result
@@ -6637,9 +6716,6 @@ clone
 )
 request
 .
-is_service_worker_global_scope
-request
-.
 pipeline_id
 )
 ;

servo/components/net_traits/request.rs

@@ -246,6 +246,26 @@ HeapSizeOf
 ]
 pub
 enum
+ServiceWorkersMode
+{
+All
+Foreign
+None
+}
+#
+[
+derive
+(
+Copy
+Clone
+PartialEq
+Serialize
+Deserialize
+HeapSizeOf
+)
+]
+pub
+enum
 RedirectMode
 {
 Follow
@@ -418,6 +438,10 @@ u8
 >
 >
 pub
+service_workers_mode
+:
+ServiceWorkersMode
+pub
 type_
 :
 Type
@@ -542,6 +566,12 @@ false
 body
 :
 None
+service_workers_mode
+:
+ServiceWorkersMode
+:
+:
+All
 type_
 :
 Type
@@ -693,10 +723,6 @@ u8
 >
 >
 pub
-is_service_worker_global_scope
-:
-bool
-pub
 window
 :
 Window
@@ -705,9 +731,9 @@ keep_alive
 :
 bool
 pub
-skip_service_worker
+service_workers_mode
 :
-bool
+ServiceWorkersMode
 pub
 initiator
 :
@@ -806,9 +832,6 @@ Option
 <
 Origin
 >
-is_service_worker_global_scope
-:
-bool
 pipeline_id
 :
 Option
@@ -848,9 +871,6 @@ false
 body
 :
 None
-is_service_worker_global_scope
-:
-is_service_worker_global_scope
 window
 :
 Window
@@ -860,9 +880,12 @@ Client
 keep_alive
 :
 false
-skip_service_worker
+service_workers_mode
 :
-false
+ServiceWorkersMode
+:
+:
+All
 initiator
 :
 Initiator
@@ -1007,7 +1030,6 @@ origin
 )
 )
 )
-false
 init
 .
 pipeline_id
@@ -1047,6 +1069,14 @@ body
 ;
 req
 .
+service_workers_mode
+=
+init
+.
+service_workers_mode
+;
+req
+.
 type_
 =
 init

servo/components/script/dom/request.rs

@@ -585,9 +585,6 @@ GlobalScope
 url
 :
 ServoUrl
-is_service_worker_global_scope
-:
-bool
 )
 -
 >
@@ -614,7 +611,6 @@ net_request_from_global
 (
 global
 url
-is_service_worker_global_scope
 )
 )
 body_used
@@ -674,9 +670,6 @@ GlobalScope
 url
 :
 ServoUrl
-is_service_worker_global_scope
-:
-bool
 )
 -
 >
@@ -695,7 +688,6 @@ new_inherited
 (
 global
 url
-is_service_worker_global_scope
 )
 global
 RequestBinding
@@ -929,7 +921,6 @@ net_request_from_global
 (
 global
 url
-false
 )
 ;
 /
@@ -1186,7 +1177,6 @@ temporary_request
 current_url
 (
 )
-false
 )
 ;
 request
@@ -2200,7 +2190,6 @@ Request
 from_net_request
 (
 global
-false
 request
 )
 ;
@@ -3199,9 +3188,6 @@ global
 :
 &
 GlobalScope
-is_service_worker_global_scope
-:
-bool
 net_request
 :
 NetTraitsRequest
@@ -3227,7 +3213,6 @@ net_request
 current_url
 (
 )
-is_service_worker_global_scope
 )
 ;
 *
@@ -3282,13 +3267,6 @@ url
 )
 ;
 let
-is_service_worker_global_scope
-=
-req
-.
-is_service_worker_global_scope
-;
-let
 body_used
 =
 r
@@ -3342,7 +3320,6 @@ global
 (
 )
 url
-is_service_worker_global_scope
 )
 ;
 r_clone
@@ -3495,9 +3472,6 @@ GlobalScope
 url
 :
 ServoUrl
-is_service_worker_global_scope
-:
-bool
 )
 -
 >
@@ -3541,7 +3515,6 @@ Some
 (
 origin
 )
-is_service_worker_global_scope
 Some
 (
 pipeline_id