Use Shadow DOM v1 APIs for Shadow DOM v1 tests

third_party/WebKit/LayoutTests/shadow-dom/event-path-closed-shadowroot2-expected.txt

-Event.path should include only unclosed nodes.
-The full event path should be (length=12):
-div#target, #shadow-root (open), div#div3_open, #shadow-root (closed),
-div#div2_closed, #shadow-root (open), div#host_open, div#host_closed,
-body, html, #document, window
-
-On #host_closed, #host_open, and #div2_closed,
-div#target, #shadow-root (open), div#div3_open, #shadow-root (closed)
-will be trimmed (length=8).
-
-
-Dispaching a click event on #target, listening on #host_closed.
-Got event.path for #host_closed:
-#div2_closed, [object ShadowRoot], #host_open, #host_closed, [object HTMLBodyElement], [object HTMLHtmlElement], [object HTMLDocument], [object Window], length: 8
-
-Dispaching a click event on #target, listening on #host_open.
-Got event.path for #host_open:
-#div2_closed, [object ShadowRoot], #host_open, #host_closed, [object HTMLBodyElement], [object HTMLHtmlElement], [object HTMLDocument], [object Window], length: 8
-
-Dispaching a click event on #target, listening on #div2_closed.
-Got event.path for #div2_closed:
-#div2_closed, [object ShadowRoot], #host_open, #host_closed, [object HTMLBodyElement], [object HTMLHtmlElement], [object HTMLDocument], [object Window], length: 8
-
-Dispaching a click event on #target, listening on #div3_open.
-Got event.path for #div3_open:
-#target, [object ShadowRoot], #div3_open, [object ShadowRoot], #div2_closed, [object ShadowRoot], #host_open, #host_closed, [object HTMLBodyElement], [object HTMLHtmlElement], [object HTMLDocument], [object Window], length: 12
-
-Dispaching a click event on #target, listening on #target.
-Got event.path for #target:
-#target, [object ShadowRoot], #div3_open, [object ShadowRoot], #div2_closed, [object ShadowRoot], #host_open, #host_closed, [object HTMLBodyElement], [object HTMLHtmlElement], [object HTMLDocument], [object Window], length: 12
-PASS successfullyParsed is true
-
-TEST COMPLETE
-