Implement select listbox using shadow DOM

LayoutTests/TestExpectations

Index: LayoutTests/TestExpectations
diff --git a/LayoutTests/TestExpectations b/LayoutTests/TestExpectations
index f32ed43073c189d639581068e0fd0e71e9298c92..30a124e8eb2ccd23408103ee2915ea4f27c7b701 100644
--- a/LayoutTests/TestExpectations
+++ b/LayoutTests/TestExpectations
@@ -614,6 +614,62 @@ crbug.com/310292 [ Mac ] http/tests/security/video-poster-cross-origin-crash.htm
 crbug.com/310323 [ Debug ] http/tests/plugins/third-party-cookie-accept-policy.html [ Crash Pass ]
 crbug.com/310323 [ Debug ] http/tests/security/contentSecurityPolicy/report-multiple-violations-02.html [ Crash Pass ]
 
+crbug.com/234871 css3/selectors3/html/css3-modsel-161.html [ NeedsRebaseline ]
+crbug.com/234871 css3/selectors3/xhtml/css3-modsel-161.xml [ NeedsRebaseline ]
+crbug.com/234871 css3/selectors3/xml/css3-modsel-161.xml [ NeedsRebaseline ]
+crbug.com/234871 fast/dom/HTMLKeygenElement/keygen.html [ NeedsRebaseline ]
+crbug.com/234871 fast/forms/basic-selects.html [ NeedsRebaseline ]
+crbug.com/234871 fast/forms/disabled-select-change-index.html [ NeedsRebaseline ]
+crbug.com/234871 fast/forms/form-element-geometry.html [ NeedsRebaseline ]
+crbug.com/234871 fast/forms/hidden-listbox.html [ NeedsRebaseline ]
+crbug.com/234871 fast/forms/HTMLOptionElement_label05.html [ NeedsRebaseline ]
+crbug.com/234871 fast/forms/listbox-bidi-align.html [ NeedsRebaseline ]
+crbug.com/234871 fast/forms/listbox-clip.html [ NeedsRebaseline ]
+crbug.com/234871 fast/forms/listbox-hit-test-zoomed.html [ NeedsRebaseline ]
+crbug.com/234871 fast/forms/listbox-scrollbar-incremental-load.html [ NeedsRebaseline ]
+crbug.com/234871 fast/forms/listbox-width-change.html [ NeedsRebaseline ]
+crbug.com/234871 fast/forms/menulist-option-wrap.html [ NeedsRebaseline ]
+crbug.com/234871 fast/forms/option-mouseevents.html [ NeedsRebaseline ]
+crbug.com/234871 fast/forms/option-strip-whitespace.html [ NeedsRebaseline ]
+crbug.com/234871 fast/forms/select-block-background.html [ NeedsRebaseline ]
+crbug.com/234871 fast/forms/select-change-listbox-size.html [ NeedsRebaseline ]
+crbug.com/234871 fast/forms/select-change-listbox-to-popup.html [ NeedsRebaseline ]
+crbug.com/234871 fast/forms/select-change-popup-to-listbox.html [ NeedsRebaseline ]
+crbug.com/234871 fast/forms/select-item-background-clip.html [ NeedsRebaseline ]
+crbug.com/234871 fast/forms/select-list-box-with-height.html [ NeedsRebaseline ]
+crbug.com/234871 fast/forms/select-listbox-multiple-no-focusring.html [ NeedsRebaseline ]
+crbug.com/234871 fast/forms/select-live-pseudo-selectors.html [ NeedsRebaseline ]
+crbug.com/234871 fast/forms/select-multiple-rtl.html [ NeedsRebaseline ]
+crbug.com/234871 fast/forms/select-overflow-scroll-inherited.html [ NeedsRebaseline ]
+crbug.com/234871 fast/forms/select-overflow-scroll.html [ NeedsRebaseline ]
+crbug.com/234871 fast/forms/select-size.html [ NeedsRebaseline ]
+crbug.com/234871 fast/forms/select/listbox-appearance-basic.html [ NeedsRebaseline ]
+crbug.com/234871 fast/forms/select/listbox-with-display-none-option.html [ NeedsRebaseline ]
+crbug.com/234871 fast/forms/select/menulist-appearance-basic.html [ NeedsRebaseline ]
+crbug.com/234871 fast/forms/select/optgroup-rendering.html [ NeedsRebaseline ]
+crbug.com/234871 fast/forms/suggested-value.html [ NeedsRebaseline ]
+crbug.com/234871 fast/frames/iframe-option-crash.xhtml [ NeedsRebaseline ]
+crbug.com/234871 fast/repaint/select-option-background-color.html [ NeedsRebaseline ]
+crbug.com/234871 fast/replaced/replaced-breaking.html [ NeedsRebaseline ]
+crbug.com/234871 fast/text/drawBidiText.html [ NeedsRebaseline ]
+crbug.com/234871 fast/text/international/bidi-listbox-atsui.html [ NeedsRebaseline ]
+crbug.com/234871 fast/text/international/bidi-listbox.html [ NeedsRebaseline ]
+crbug.com/234871 fast/text/international/bidi-menulist.html [ NeedsRebaseline ]
+crbug.com/234871 fast/text/updateNewFont.html [ NeedsRebaseline ]
+crbug.com/234871 scrollbars/listbox-scrollbar-combinations.html [ NeedsRebaseline ]
+crbug.com/234871 fast/events/touch/gesture/touch-gesture-scroll-listbox.html [ NeedsRebaseline ]
+crbug.com/234871 fast/forms/select-initial-position.html [ NeedsRebaseline ]
+crbug.com/234871 fast/spatial-navigation/snav-multiple-select-focusring.html [ NeedsRebaseline ]
+crbug.com/234871 virtual/gpu/compositedscrolling/scrollbars/listbox-scrollbar-combinations.html [ NeedsRebaseline ]
+crbug.com/234871 virtual/antialiasedtext/fast/text/drawBidiText.html [ NeedsRebaseline ]
+crbug.com/234871 virtual/antialiasedtext/fast/text/international/bidi-listbox-atsui.html [ NeedsRebaseline ]
+crbug.com/234871 virtual/antialiasedtext/fast/text/international/bidi-listbox.html [ NeedsRebaseline ]
+crbug.com/234871 virtual/antialiasedtext/fast/text/updateNewFont.html [ NeedsRebaseline ]
+# Failing because RenderLayerScrollableArea::clampScrollOffset seems to be off by one
+crbug.com/234871 [ Mac ] fast/scrolling/listbox-wheel-event.html [ ImageOnlyFailure ]
+crbug.com/234871 [ Win ] fast/scroll-behavior/listbox-scrollTop.html [ Failure Pass ]
+
+
 crbug.com/311301 fast/history/history_reload.html [ Failure Pass Missing ]
 
 crbug.com/311429 [ Mac ] fast/images/png-suite/test.html [ ImageOnlyFailure Pass ]
@@ -836,7 +892,6 @@ crbug.com/353087 w3c/web-platform-tests/shadow-dom/elements-and-dom-objects/the-
 crbug.com/353087 w3c/web-platform-tests/shadow-dom/elements-and-dom-objects/the-shadow-html-element/test-003.html [ Failure ]
 crbug.com/353727 virtual/threaded/animations/keyframe-timing-functions-multiple-properties.html [ Pass Timeout ]
 crbug.com/24182 [ Win ] jquery/manipulation.html [ Pass Timeout ]
-crbug.com/353736 [ Linux ] fast/forms/select/listbox-appearance-basic.html [ Pass ImageOnlyFailure ]
 crbug.com/353751 http/tests/security/contentSecurityPolicy/1.1/frame-ancestors/frame-ancestors-nested-same-in-same-none-block.html [ Pass Failure ]
 crbug.com/353763 http/tests/security/contentSecurityPolicy/1.1/frame-ancestors/frame-ancestors-nested-same-in-same-url-block.html [ Pass Failure ]
 crbug.com/353754 fast/scrolling/hover-during-scroll.html [ Pass Failure ]