Add onslotchange on ShadowRoot and GlobalEventHandlers

https://bugs.webkit.org/show_bug.cgi?id=191310

Patch by Tetsuharu Ohzeki <tetsuharu.ohzeki@gmail.com> on 2020-10-03
Reviewed by Sam Weinig.

LayoutTests/imported/w3c:

Rebaselined tests to pass more test cases.

* web-platform-tests/dom/idlharness.window-expected.txt:
* web-platform-tests/html/webappapis/scripting/events/event-handler-all-global-events-expected.txt:
* web-platform-tests/html/webappapis/scripting/events/event-handler-attributes-body-window-expected.txt:
* web-platform-tests/html/webappapis/scripting/events/event-handler-attributes-windowless-body-expected.txt:
* web-platform-tests/mathml/relations/html5-tree/math-global-event-handlers.tentative-expected.txt:

Source/WebCore:

`onslotchange` attribute has been added to `ShadowRoot` and
`GlobalEventHandlers` by whatwg/html#3487

    - whatwg/dom#78
    - whatwg/html#4129

This patch supports it.

Tests: imported/w3c/web-platform-tests/dom/idlharness.window.html:
       imported/w3c/web-platform-tests/html/webappapis/scripting/events/event-handler-all-global-events.html
       imported/w3c/web-platform-tests/html/webappapis/scripting/events/event-handler-attributes-body-window.html
       imported/w3c/web-platform-tests/html/webappapis/scripting/events/event-handler-attributes-windowless-body.html
       imported/w3c/web-platform-tests/mathml/relations/html5-tree/math-global-event-handlers.tentative.html

* dom/GlobalEventHandlers.idl:
* dom/ShadowRoot.idl:
* html/HTMLAttributeNames.in:
* html/HTMLElement.cpp:
(WebCore::HTMLElement::createEventHandlerNameMap):

LayoutTests:

Rebaselined tests to pass more test cases.

* platform/glib/imported/w3c/web-platform-tests/mathml/relations/html5-tree/math-global-event-handlers.tentative-expected.txt:
* platform/gtk/imported/w3c/web-platform-tests/html/dom/idlharness.https-expected.txt:
* platform/ios-wk2/imported/w3c/web-platform-tests/html/dom/idlharness.https-expected.txt:
* platform/ios-wk2/imported/w3c/web-platform-tests/mathml/relations/html5-tree/math-global-event-handlers.tentative-expected.txt:
* platform/mac-wk1/imported/w3c/web-platform-tests/html/dom/idlharness.https-expected.txt:
* platform/mac-wk1/imported/w3c/web-platform-tests/mathml/relations/html5-tree/math-global-event-handlers.tentative-expected.txt:
* platform/mac-wk2/imported/w3c/web-platform-tests/html/dom/idlharness.https-expected.txt:
* platform/mac-wk2/imported/w3c/web-platform-tests/mathml/relations/html5-tree/math-global-event-handlers.tentative-expected.txt:
* platform/wpe/imported/w3c/web-platform-tests/html/dom/idlharness.https-expected.txt:

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@267939 268f45cc-cd09-0410-ab3c-d52691b4dbfc

LayoutTests/ChangeLog

@@ -1,3 +1,22 @@
+2020-10-03  Tetsuharu Ohzeki  <tetsuharu.ohzeki@gmail.com>
+
+        Add onslotchange on ShadowRoot and GlobalEventHandlers
+        https://bugs.webkit.org/show_bug.cgi?id=191310
+
+        Reviewed by Sam Weinig.
+
+        Rebaselined tests to pass more test cases.
+
+        * platform/glib/imported/w3c/web-platform-tests/mathml/relations/html5-tree/math-global-event-handlers.tentative-expected.txt:
+        * platform/gtk/imported/w3c/web-platform-tests/html/dom/idlharness.https-expected.txt:
+        * platform/ios-wk2/imported/w3c/web-platform-tests/html/dom/idlharness.https-expected.txt:
+        * platform/ios-wk2/imported/w3c/web-platform-tests/mathml/relations/html5-tree/math-global-event-handlers.tentative-expected.txt:
+        * platform/mac-wk1/imported/w3c/web-platform-tests/html/dom/idlharness.https-expected.txt:
+        * platform/mac-wk1/imported/w3c/web-platform-tests/mathml/relations/html5-tree/math-global-event-handlers.tentative-expected.txt:
+        * platform/mac-wk2/imported/w3c/web-platform-tests/html/dom/idlharness.https-expected.txt:
+        * platform/mac-wk2/imported/w3c/web-platform-tests/mathml/relations/html5-tree/math-global-event-handlers.tentative-expected.txt:
+        * platform/wpe/imported/w3c/web-platform-tests/html/dom/idlharness.https-expected.txt:
+
 2020-10-03  Antoine Quint  <graouts@webkit.org>
 
         Add non-animated support for the CSS translate property

LayoutTests/imported/w3c/ChangeLog

@@ -1,3 +1,18 @@
+2020-10-03  Tetsuharu Ohzeki  <tetsuharu.ohzeki@gmail.com>
+
+        Add onslotchange on ShadowRoot and GlobalEventHandlers
+        https://bugs.webkit.org/show_bug.cgi?id=191310
+
+        Reviewed by Sam Weinig.
+
+        Rebaselined tests to pass more test cases.
+
+        * web-platform-tests/dom/idlharness.window-expected.txt:
+        * web-platform-tests/html/webappapis/scripting/events/event-handler-all-global-events-expected.txt:
+        * web-platform-tests/html/webappapis/scripting/events/event-handler-attributes-body-window-expected.txt:
+        * web-platform-tests/html/webappapis/scripting/events/event-handler-attributes-windowless-body-expected.txt:
+        * web-platform-tests/mathml/relations/html5-tree/math-global-event-handlers.tentative-expected.txt:
+
 2020-10-03  Antoine Quint  <graouts@webkit.org>
 
         Add non-animated support for the CSS translate property

LayoutTests/imported/w3c/web-platform-tests/dom/idlharness.window-expected.txt

@@ -865,7 +865,7 @@ PASS ShadowRoot interface: existence and properties of interface prototype objec
 PASS ShadowRoot interface: existence and properties of interface prototype object's @@unscopables property
 PASS ShadowRoot interface: attribute mode
 PASS ShadowRoot interface: attribute host
-FAIL ShadowRoot interface: attribute onslotchange assert_true: The prototype object must have a property "onslotchange" expected true got false
+PASS ShadowRoot interface: attribute onslotchange
 PASS Element interface: existence and properties of interface object
 PASS Element interface object length
 PASS Element interface object name

LayoutTests/imported/w3c/web-platform-tests/html/webappapis/scripting/events/event-handler-all-global-events-expected.txt

@@ -264,10 +264,10 @@ PASS onselect: the default value must be null
 PASS onselect: the content attribute must be compiled into a function as the corresponding property
 PASS onselect: the content attribute must execute when an event is dispatched
 PASS onselect: dispatching an Event at a <meta> element must trigger element.onselect
-FAIL onslotchange: must be on the appropriate locations for GlobalEventHandlers assert_true: Window has an own property named "onslotchange" expected true got false
-FAIL onslotchange: the default value must be null assert_equals: The default value of the property is null for a Window instance expected (object) null but got (undefined) undefined
-FAIL onslotchange: the content attribute must be compiled into a function as the corresponding property assert_equals: The onslotchange property must be a function expected "function" but got "undefined"
-FAIL onslotchange: the content attribute must execute when an event is dispatched assert_true: Dispatching an event must run the code expected true got undefined
+PASS onslotchange: must be on the appropriate locations for GlobalEventHandlers
+PASS onslotchange: the default value must be null
+PASS onslotchange: the content attribute must be compiled into a function as the corresponding property
+PASS onslotchange: the content attribute must execute when an event is dispatched
 PASS onslotchange: dispatching an Event at a <meta> element must trigger element.onslotchange
 PASS onstalled: must be on the appropriate locations for GlobalEventHandlers
 PASS onstalled: the default value must be null

LayoutTests/imported/w3c/web-platform-tests/html/webappapis/scripting/events/event-handler-attributes-body-window-expected.txt

@@ -69,7 +69,7 @@ FAIL not shadowed securitypolicyviolation (document.body) assert_equals: alterna
 PASS not shadowed seeked (document.body)
 PASS not shadowed seeking (document.body)
 PASS not shadowed select (document.body)
-FAIL not shadowed slotchange (document.body) assert_equals: alternative body should reflect expected (object) null but got (undefined) undefined
+PASS not shadowed slotchange (document.body)
 PASS not shadowed stalled (document.body)
 PASS not shadowed submit (document.body)
 PASS not shadowed suspend (document.body)
@@ -177,7 +177,7 @@ FAIL not shadowed securitypolicyviolation (document.createElement("body")) asser
 PASS not shadowed seeked (document.createElement("body"))
 PASS not shadowed seeking (document.createElement("body"))
 PASS not shadowed select (document.createElement("body"))
-FAIL not shadowed slotchange (document.createElement("body")) assert_equals: body should reflect expected (object) null but got (undefined) undefined
+PASS not shadowed slotchange (document.createElement("body"))
 PASS not shadowed stalled (document.createElement("body"))
 PASS not shadowed submit (document.createElement("body"))
 PASS not shadowed suspend (document.createElement("body"))
@@ -285,7 +285,7 @@ FAIL not shadowed securitypolicyviolation (window) assert_equals: body should re
 PASS not shadowed seeked (window)
 PASS not shadowed seeking (window)
 PASS not shadowed select (window)
-FAIL not shadowed slotchange (window) assert_equals: body should reflect expected (object) null but got (undefined) undefined
+PASS not shadowed slotchange (window)
 PASS not shadowed stalled (window)
 PASS not shadowed submit (window)
 PASS not shadowed suspend (window)

LayoutTests/imported/w3c/web-platform-tests/html/webappapis/scripting/events/event-handler-attributes-windowless-body-expected.txt

@@ -91,7 +91,7 @@ FAIL securitypolicyviolation is unaffected on a windowless body assert_equals: e
 PASS seeked is unaffected on a windowless body
 PASS seeking is unaffected on a windowless body
 PASS select is unaffected on a windowless body
-FAIL slotchange is unaffected on a windowless body assert_equals: expected (object) null but got (undefined) undefined
+PASS slotchange is unaffected on a windowless body
 PASS stalled is unaffected on a windowless body
 PASS submit is unaffected on a windowless body
 PASS suspend is unaffected on a windowless body
@@ -199,7 +199,7 @@ FAIL securitypolicyviolation is unaffected on a windowless frameset assert_equal
 PASS seeked is unaffected on a windowless frameset
 PASS seeking is unaffected on a windowless frameset
 PASS select is unaffected on a windowless frameset
-FAIL slotchange is unaffected on a windowless frameset assert_equals: expected (object) null but got (undefined) undefined
+PASS slotchange is unaffected on a windowless frameset
 PASS stalled is unaffected on a windowless frameset
 PASS submit is unaffected on a windowless frameset
 PASS suspend is unaffected on a windowless frameset

LayoutTests/imported/w3c/web-platform-tests/mathml/relations/html5-tree/math-global-event-handlers.tentative-expected.txt

@@ -264,11 +264,11 @@ PASS onselect: the default value must be null
 PASS onselect: the content attribute must be compiled into a function as the corresponding property
 PASS onselect: dynamic changes on the attribute
 PASS onselect: dispatching an Event at a <math> element must trigger element.onselect
-FAIL onslotchange: must be on the appropriate locations for GlobalEventHandlers assert_true: MathMLElement has an own property named "onslotchange" expected true got false
-FAIL onslotchange: the default value must be null assert_equals: The default value of the property is null for a MathMLMathElement instance expected (object) null but got (undefined) undefined
-FAIL onslotchange: the content attribute must be compiled into a function as the corresponding property assert_equals: The onslotchange property must be a function expected "function" but got "undefined"
-FAIL onslotchange: dynamic changes on the attribute assert_equals: The onslotchange property must be null (no attribute) expected (object) null but got (undefined) undefined
-FAIL onslotchange: dispatching an Event at a <math> element must trigger element.onslotchange assert_equals: The event must be fired at the <math> element expected (object) Element node <math></math> but got (undefined) undefined
+PASS onslotchange: must be on the appropriate locations for GlobalEventHandlers
+PASS onslotchange: the default value must be null
+PASS onslotchange: the content attribute must be compiled into a function as the corresponding property
+PASS onslotchange: dynamic changes on the attribute
+PASS onslotchange: dispatching an Event at a <math> element must trigger element.onslotchange
 PASS onstalled: must be on the appropriate locations for GlobalEventHandlers
 PASS onstalled: the default value must be null
 PASS onstalled: the content attribute must be compiled into a function as the corresponding property

LayoutTests/platform/glib/imported/w3c/web-platform-tests/mathml/relations/html5-tree/math-global-event-handlers.tentative-expected.txt

@@ -264,11 +264,11 @@ PASS onselect: the default value must be null
 PASS onselect: the content attribute must be compiled into a function as the corresponding property
 PASS onselect: dynamic changes on the attribute
 PASS onselect: dispatching an Event at a <math> element must trigger element.onselect
-FAIL onslotchange: must be on the appropriate locations for GlobalEventHandlers assert_true: MathMLElement has an own property named "onslotchange" expected true got false
-FAIL onslotchange: the default value must be null assert_equals: The default value of the property is null for a MathMLMathElement instance expected (object) null but got (undefined) undefined
-FAIL onslotchange: the content attribute must be compiled into a function as the corresponding property assert_equals: The onslotchange property must be a function expected "function" but got "undefined"
-FAIL onslotchange: dynamic changes on the attribute assert_equals: The onslotchange property must be null (no attribute) expected (object) null but got (undefined) undefined
-FAIL onslotchange: dispatching an Event at a <math> element must trigger element.onslotchange assert_equals: The event must be fired at the <math> element expected (object) Element node <math></math> but got (undefined) undefined
+PASS onslotchange: must be on the appropriate locations for GlobalEventHandlers
+PASS onslotchange: the default value must be null
+PASS onslotchange: the content attribute must be compiled into a function as the corresponding property
+PASS onslotchange: dynamic changes on the attribute
+PASS onslotchange: dispatching an Event at a <math> element must trigger element.onslotchange
 PASS onstalled: must be on the appropriate locations for GlobalEventHandlers
 PASS onstalled: the default value must be null
 PASS onstalled: the content attribute must be compiled into a function as the corresponding property

LayoutTests/platform/gtk/imported/w3c/web-platform-tests/html/dom/idlharness.https-expected.txt

@@ -310,7 +310,7 @@ FAIL HTMLElement interface: attribute onsecuritypolicyviolation assert_true: The
 PASS HTMLElement interface: attribute onseeked
 PASS HTMLElement interface: attribute onseeking
 PASS HTMLElement interface: attribute onselect
-FAIL HTMLElement interface: attribute onslotchange assert_true: The prototype object must have a property "onslotchange" expected true got false
+PASS HTMLElement interface: attribute onslotchange
 PASS HTMLElement interface: attribute onstalled
 PASS HTMLElement interface: attribute onsubmit
 PASS HTMLElement interface: attribute onsuspend
@@ -405,7 +405,7 @@ FAIL HTMLElement interface: document.createElement("noscript") must inherit prop
 PASS HTMLElement interface: document.createElement("noscript") must inherit property "onseeked" with the proper type
 PASS HTMLElement interface: document.createElement("noscript") must inherit property "onseeking" with the proper type
 PASS HTMLElement interface: document.createElement("noscript") must inherit property "onselect" with the proper type
-FAIL HTMLElement interface: document.createElement("noscript") must inherit property "onslotchange" with the proper type assert_inherits: property "onslotchange" not found in prototype chain
+PASS HTMLElement interface: document.createElement("noscript") must inherit property "onslotchange" with the proper type
 PASS HTMLElement interface: document.createElement("noscript") must inherit property "onstalled" with the proper type
 PASS HTMLElement interface: document.createElement("noscript") must inherit property "onsubmit" with the proper type
 PASS HTMLElement interface: document.createElement("noscript") must inherit property "onsuspend" with the proper type
@@ -4391,7 +4391,7 @@ FAIL Window interface: attribute onsecuritypolicyviolation assert_own_property:
 PASS Window interface: attribute onseeked
 PASS Window interface: attribute onseeking
 PASS Window interface: attribute onselect
-FAIL Window interface: attribute onslotchange assert_own_property: The global object must have a property "onslotchange" expected property "onslotchange" missing
+PASS Window interface: attribute onslotchange
 PASS Window interface: attribute onstalled
 PASS Window interface: attribute onsubmit
 PASS Window interface: attribute onsuspend
@@ -4540,7 +4540,7 @@ FAIL Window interface: window must inherit property "onsecuritypolicyviolation"
 PASS Window interface: window must inherit property "onseeked" with the proper type
 PASS Window interface: window must inherit property "onseeking" with the proper type
 PASS Window interface: window must inherit property "onselect" with the proper type
-FAIL Window interface: window must inherit property "onslotchange" with the proper type assert_own_property: expected property "onslotchange" missing
+PASS Window interface: window must inherit property "onslotchange" with the proper type
 PASS Window interface: window must inherit property "onstalled" with the proper type
 PASS Window interface: window must inherit property "onsubmit" with the proper type
 PASS Window interface: window must inherit property "onsuspend" with the proper type
@@ -5257,7 +5257,7 @@ FAIL SVGElement interface: attribute onsecuritypolicyviolation assert_true: The
 PASS SVGElement interface: attribute onseeked
 PASS SVGElement interface: attribute onseeking
 PASS SVGElement interface: attribute onselect
-FAIL SVGElement interface: attribute onslotchange assert_true: The prototype object must have a property "onslotchange" expected true got false
+PASS SVGElement interface: attribute onslotchange
 PASS SVGElement interface: attribute onstalled
 PASS SVGElement interface: attribute onsubmit
 PASS SVGElement interface: attribute onsuspend
@@ -5394,7 +5394,7 @@ FAIL Document interface: attribute onsecuritypolicyviolation assert_true: The pr
 PASS Document interface: attribute onseeked
 PASS Document interface: attribute onseeking
 PASS Document interface: attribute onselect
-FAIL Document interface: attribute onslotchange assert_true: The prototype object must have a property "onslotchange" expected true got false
+PASS Document interface: attribute onslotchange
 PASS Document interface: attribute onstalled
 PASS Document interface: attribute onsubmit
 PASS Document interface: attribute onsuspend
@@ -5520,7 +5520,7 @@ FAIL Document interface: iframe.contentDocument must inherit property "onsecurit
 PASS Document interface: iframe.contentDocument must inherit property "onseeked" with the proper type
 PASS Document interface: iframe.contentDocument must inherit property "onseeking" with the proper type
 PASS Document interface: iframe.contentDocument must inherit property "onselect" with the proper type
-FAIL Document interface: iframe.contentDocument must inherit property "onslotchange" with the proper type assert_inherits: property "onslotchange" not found in prototype chain
+PASS Document interface: iframe.contentDocument must inherit property "onslotchange" with the proper type
 PASS Document interface: iframe.contentDocument must inherit property "onstalled" with the proper type
 PASS Document interface: iframe.contentDocument must inherit property "onsubmit" with the proper type
 PASS Document interface: iframe.contentDocument must inherit property "onsuspend" with the proper type
@@ -5646,7 +5646,7 @@ FAIL Document interface: new Document() must inherit property "onsecuritypolicyv
 PASS Document interface: new Document() must inherit property "onseeked" with the proper type
 PASS Document interface: new Document() must inherit property "onseeking" with the proper type
 PASS Document interface: new Document() must inherit property "onselect" with the proper type
-FAIL Document interface: new Document() must inherit property "onslotchange" with the proper type assert_inherits: property "onslotchange" not found in prototype chain
+PASS Document interface: new Document() must inherit property "onslotchange" with the proper type
 PASS Document interface: new Document() must inherit property "onstalled" with the proper type
 PASS Document interface: new Document() must inherit property "onsubmit" with the proper type
 PASS Document interface: new Document() must inherit property "onsuspend" with the proper type
@@ -5772,7 +5772,7 @@ FAIL Document interface: documentWithHandlers must inherit property "onsecurityp
 PASS Document interface: documentWithHandlers must inherit property "onseeked" with the proper type
 PASS Document interface: documentWithHandlers must inherit property "onseeking" with the proper type
 PASS Document interface: documentWithHandlers must inherit property "onselect" with the proper type
-FAIL Document interface: documentWithHandlers must inherit property "onslotchange" with the proper type assert_inherits: property "onslotchange" found on object expected in prototype chain
+PASS Document interface: documentWithHandlers must inherit property "onslotchange" with the proper type
 PASS Document interface: documentWithHandlers must inherit property "onstalled" with the proper type
 PASS Document interface: documentWithHandlers must inherit property "onsubmit" with the proper type
 PASS Document interface: documentWithHandlers must inherit property "onsuspend" with the proper type