dom: set composed flag when constructing ClipboardEvent (#35146)

* clipboardevent: set composed flag

Signed-off-by: Gae24 <96017547+Gae24@users.noreply.github.com>

* add clipboardevent test expectations

Signed-off-by: Gae24 <96017547+Gae24@users.noreply.github.com>

---------

Signed-off-by: Gae24 <96017547+Gae24@users.noreply.github.com>

tests/wpt/include.ini

@@ -3,6 +3,8 @@ skip: true
   skip: false
 [_webgl]
   skip: false
+[clipboard-apis]
+  skip: false
 [console]
   skip: false
 [cookies]

tests/wpt/meta/clipboard-apis/clipboard-item.https.html.ini

@@ -0,0 +1,84 @@
+[clipboard-item.https.html]
+  [ClipboardItem({string, Blob}) succeeds with different types]
+    expected: FAIL
+
+  [ClipboardItem() succeeds with empty options]
+    expected: FAIL
+
+  [ClipboardItem({}) fails with empty dictionary input]
+    expected: FAIL
+
+  [ClipboardItem(Blob) fails]
+    expected: FAIL
+
+  [ClipboardItem() fails with null input]
+    expected: FAIL
+
+  [ClipboardItem() fails with no input]
+    expected: FAIL
+
+  [types() returns correct values]
+    expected: FAIL
+
+  [getType(DOMString valid type) succeeds with correct output]
+    expected: FAIL
+
+  [getType(DOMString invalid type) succeeds with correct output]
+    expected: FAIL
+
+  [getType(DOMString type) rejects correctly when querying for missing type]
+    expected: FAIL
+
+  [getType(DOMString valid type) converts DOMString to Blob]
+    expected: FAIL
+
+  [getType(DOMString invalid type) converts DOMString to Blob]
+    expected: FAIL
+
+  [supports(text/plain) returns true]
+    expected: FAIL
+
+  [supports(text/html) returns true]
+    expected: FAIL
+
+  [supports(image/png) returns true]
+    expected: FAIL
+
+  [supports(text/uri-list) returns true]
+    expected: FAIL
+
+  [supports(image/svg+xml) returns true]
+    expected: FAIL
+
+  [supports(web foo/bar) returns true]
+    expected: FAIL
+
+  [supports(web text/html) returns true]
+    expected: FAIL
+
+  [supports(web ) returns false]
+    expected: FAIL
+
+  [supports(web) returns false]
+    expected: FAIL
+
+  [supports(web foo) returns false]
+    expected: FAIL
+
+  [supports(foo/bar) returns false]
+    expected: FAIL
+
+  [supports(weB text/html) returns false]
+    expected: FAIL
+
+  [supports( web text/html) returns false]
+    expected: FAIL
+
+  [supports(not a/real type) returns false]
+    expected: FAIL
+
+  [supports() returns false]
+    expected: FAIL
+
+  [supports( ) returns false]
+    expected: FAIL

tests/wpt/meta/clipboard-apis/data-transfer-file-list-change-reference-updates.html.ini

@@ -0,0 +1,3 @@
+[data-transfer-file-list-change-reference-updates.html]
+  [expect changed contents]
+    expected: FAIL

tests/wpt/meta/clipboard-apis/idlharness.https.window.js.ini

@@ -0,0 +1,93 @@
+[idlharness.https.window.html]
+  [ClipboardItem interface: existence and properties of interface object]
+    expected: FAIL
+
+  [ClipboardItem interface object length]
+    expected: FAIL
+
+  [ClipboardItem interface object name]
+    expected: FAIL
+
+  [ClipboardItem interface: existence and properties of interface prototype object]
+    expected: FAIL
+
+  [ClipboardItem interface: existence and properties of interface prototype object's "constructor" property]
+    expected: FAIL
+
+  [ClipboardItem interface: existence and properties of interface prototype object's @@unscopables property]
+    expected: FAIL
+
+  [ClipboardItem interface: attribute presentationStyle]
+    expected: FAIL
+
+  [ClipboardItem interface: attribute types]
+    expected: FAIL
+
+  [ClipboardItem interface: operation getType(DOMString)]
+    expected: FAIL
+
+  [ClipboardItem interface: operation supports(DOMString)]
+    expected: FAIL
+
+  [Clipboard interface: existence and properties of interface object]
+    expected: FAIL
+
+  [Clipboard interface object length]
+    expected: FAIL
+
+  [Clipboard interface object name]
+    expected: FAIL
+
+  [Clipboard interface: existence and properties of interface prototype object]
+    expected: FAIL
+
+  [Clipboard interface: existence and properties of interface prototype object's "constructor" property]
+    expected: FAIL
+
+  [Clipboard interface: existence and properties of interface prototype object's @@unscopables property]
+    expected: FAIL
+
+  [Clipboard interface: operation read(optional ClipboardUnsanitizedFormats)]
+    expected: FAIL
+
+  [Clipboard interface: operation readText()]
+    expected: FAIL
+
+  [Clipboard interface: operation write(ClipboardItems)]
+    expected: FAIL
+
+  [Clipboard interface: operation writeText(DOMString)]
+    expected: FAIL
+
+  [Clipboard must be primary interface of navigator.clipboard]
+    expected: FAIL
+
+  [Stringification of navigator.clipboard]
+    expected: FAIL
+
+  [Clipboard interface: navigator.clipboard must inherit property "read(optional ClipboardUnsanitizedFormats)" with the proper type]
+    expected: FAIL
+
+  [Clipboard interface: calling read(optional ClipboardUnsanitizedFormats) on navigator.clipboard with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [Clipboard interface: navigator.clipboard must inherit property "readText()" with the proper type]
+    expected: FAIL
+
+  [Clipboard interface: navigator.clipboard must inherit property "write(ClipboardItems)" with the proper type]
+    expected: FAIL
+
+  [Clipboard interface: calling write(ClipboardItems) on navigator.clipboard with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [Clipboard interface: navigator.clipboard must inherit property "writeText(DOMString)" with the proper type]
+    expected: FAIL
+
+  [Clipboard interface: calling writeText(DOMString) on navigator.clipboard with too few arguments must throw TypeError]
+    expected: FAIL
+
+  [Navigator interface: attribute clipboard]
+    expected: FAIL
+
+  [Navigator interface: navigator must inherit property "clipboard" with the proper type]
+    expected: FAIL