Add isTabStop attribute to Element

LayoutTests/fast/dom/shadow/focusable-elements-with-istabstop-expected.txt

Index: LayoutTests/fast/dom/shadow/focusable-elements-with-istabstop-expected.txt
diff --git a/LayoutTests/fast/dom/shadow/focusable-elements-with-istabstop-expected.txt b/LayoutTests/fast/dom/shadow/focusable-elements-with-istabstop-expected.txt
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+This tests TAB focus navigation with isTabStop property on focusable elements
+
+Testing tab focus navigation order on focusable nodes
+Normal tab order without isTabStop
+Should move from input-before to button-focusable in forward
+PASS
+Should move from button-focusable to input-focusable in forward
+PASS
+Should move from input-focusable to input-after in forward
+PASS
+Should move from input-after to input-focusable in backward
+PASS
+Should move from input-focusable to button-focusable in backward
+PASS
+Should move from button-focusable to input-before in backward
+PASS
+Normal tab order with isTabStop=false
+Should move from input-before to input-after in forward
+PASS
+Should move from input-after to input-before in backward
+PASS
+Testing isTabStop property on button
+Normal tab order without tabindex
+PASS button_host.isTabStop is true
+Should move from button-before to button-host in forward
+PASS
+Should move from button-host to button-host/button-inner in forward
+PASS
+Should move from button-host/button-inner to button-after in forward
+PASS
+Should move from button-after to button-host/button-inner in backward
+PASS
+Should move from button-host/button-inner to button-host in backward
+PASS
+Should move from button-host to button-before in backward
+PASS
+Testing isTabStop property on button with isTabStop = false
+Should move from button-before to button-host/button-inner in forward
+PASS
+Should move from button-host/button-inner to button-after in forward
+PASS
+Should move from button-after to button-host/button-inner in backward
+PASS
+Should move from button-host/button-inner to button-before in backward
+PASS
+Testing isTabStop property on anchor without href
+PASS anchor_host.isTabStop is false
+Should move from anchor-before to anchor-host/anchor-inner in forward
+PASS
+Should move from anchor-host/anchor-inner to anchor-after in forward
+PASS
+Should move from anchor-after to anchor-host/anchor-inner in backward
+PASS
+Should move from anchor-host/anchor-inner to anchor-before in backward
+PASS
+Testing isTabStop property on anchor with href
+PASS anchor_host.isTabStop is true
+Should move from anchor-before to anchor-host in forward
+PASS
+Should move from anchor-host to anchor-host/anchor-inner in forward
+PASS
+Should move from anchor-host/anchor-inner to anchor-after in forward
+PASS
+Should move from anchor-after to anchor-host/anchor-inner in backward
+PASS
+Should move from anchor-host/anchor-inner to anchor-host in backward
+PASS
+Should move from anchor-host to anchor-before in backward
+PASS
+Testing isTabStop property on anchor with href but isTabStop = false
+Should move from anchor-before to anchor-host/anchor-inner in forward
+PASS
+Should move from anchor-host/anchor-inner to anchor-after in forward
+PASS
+Should move from anchor-after to anchor-host/anchor-inner in backward
+PASS
+Should move from anchor-host/anchor-inner to anchor-before in backward
+PASS
+Test finished.
+PASS successfullyParsed is true
+
+TEST COMPLETE
+