Bug 1924180 [wpt PR 48581] - Rename & refactor invoker commands to reflect new spec decisions., a=testonly

Automatic update from web-platform-tests
Rename & refactor invoker commands to reflect new spec decisions.

Invoker commands now live solely on HTMLButtonElement, and have been
dropped from HTMLInputElement. This was discussed and resolved + minuted
in Jul 18 WHATNOT meeting:
whatwg/html#10471 (comment))

Words must be separated with dashes. This was discussed and resolved +
minuted in Jul 18 WHATNOT meeting:
whatwg/html#10471 (comment))

"Custom" commands now require a double dash (`--`) prefix. This was
discussed & resolved + minuted in the Jul 25 OpenUI meeting:
openui/open-ui#969 (comment)

In addition, CommandEvent#invoker is now renamed to CommandEvent#source
as discussed and resolved + minuted in Jul 18 WHATNOT meeting:
whatwg/html#10471 (comment))

This CL updates the tests & implementation to follow these changes. The
changes can also be found in the spec PR which reflects this updated
status:

whatwg/html#9841

Bug: 40284894
Change-Id: Iefa91a1736867239a21f8717aee1fcaaa54fdfd0
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5839601
Reviewed-by: Mason Freed <masonfchromium.org>
Reviewed-by: Luke <lwarlowigalia.com>
Commit-Queue: Keith Cirkel <chromiumkeithcirkel.co.uk>
Cr-Commit-Position: refs/heads/main{#1367705}

--

wpt-commits: 5df7a2c02bb50efa0368910fd49242c08def7a5d
wpt-pr: 48581

UltraBlame original commit: 604a5ed051c0566ff7afefe33c36dfef96d6b950

Author: marco-c

testing/web-platform/tests/html/semantics/invokers/interesttarget-on-popover-behavior.tentative.html

@@ -698,7 +698,9 @@
 interestaction
 "
 "
-togglepopover
+toggle
+-
+popover
 "
 )
 ;
@@ -782,7 +784,9 @@
 interestaction
 "
 "
-togglepopover
+toggle
+-
+popover
 "
 )
 ;
@@ -860,7 +864,9 @@
 interestaction
 "
 "
-togglepopover
+toggle
+-
+popover
 "
 )
 ;
@@ -944,7 +950,9 @@
 interestaction
 "
 "
-togglepopover
+toggle
+-
+popover
 "
 )
 ;
@@ -1022,7 +1030,9 @@
 interestaction
 "
 "
-tOgGlEpOpOvEr
+tOgGlE
+-
+pOpOvEr
 "
 )
 ;

testing/web-platform/tests/html/semantics/invokers/invokeevent-dispatch-shadow.tentative.html

@@ -283,7 +283,7 @@
 null
 ;
 let
-childEventInvoker
+childEventSource
 =
 null
 ;
@@ -298,7 +298,7 @@
 null
 ;
 let
-hostEventInvoker
+hostEventSource
 =
 null
 ;
@@ -325,11 +325,11 @@
 .
 target
 ;
-childEventInvoker
+childEventSource
 =
 e
 .
-invoker
+source
 ;
 }
 {
@@ -362,11 +362,11 @@
 .
 target
 ;
-hostEventInvoker
+hostEventSource
 =
 e
 .
-invoker
+source
 ;
 }
 {
@@ -389,7 +389,7 @@
 bubbles
 :
 true
-invoker
+source
 :
 slot
 composed
@@ -434,10 +434,10 @@
 ;
 assert_equals
 (
-childEventInvoker
+childEventSource
 slot
 "
-invoker
+source
 is
 child
 inside
@@ -476,10 +476,10 @@
 ;
 assert_equals
 (
-hostEventInvoker
+hostEventSource
 host
 "
-invoker
+source
 is
 retargeted
 to
@@ -496,7 +496,7 @@
 shadow
 boundaries
 retargeting
-invoker
+source
 "
 )
 ;
@@ -604,6 +604,8 @@
 command
 =
 '
+-
+-
 test
 -
 command
@@ -620,7 +622,7 @@
 null
 ;
 let
-eventInvoker
+eventSource
 =
 null
 ;
@@ -647,11 +649,11 @@
 .
 target
 ;
-eventInvoker
+eventSource
 =
 e
 .
-invoker
+source
 ;
 }
 {
@@ -687,10 +689,10 @@
 ;
 assert_equals
 (
-eventInvoker
+eventSource
 host
 "
-invoker
+source
 is
 host
 "
@@ -702,7 +704,7 @@
 shadow
 CommandEvent
 retargets
-invoker
+source
 to
 host
 element