Revert of Remove scoped styles.

LayoutTests/fast/css/style-scoped/registering-expected.txt

Index: LayoutTests/fast/css/style-scoped/registering-expected.txt
diff --git a/LayoutTests/fast/css/style-scoped/registering-expected.txt b/LayoutTests/fast/css/style-scoped/registering-expected.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0be10d8a6dda4948bd5a854074194106917ea9e6
--- /dev/null
+++ b/LayoutTests/fast/css/style-scoped/registering-expected.txt
@@ -0,0 +1,59 @@
+Test [un]registering a <style scoped> element from its parent
+
+--- Initial ---
+PASS internals.numberOfScopedHTMLStyleChildren(scope1) is 1
+PASS internals.numberOfScopedHTMLStyleChildren(scope2) is 0
+PASS internals.numberOfScopedHTMLStyleChildren(scope3) is 0
+--- Attaching ---
+PASS internals.numberOfScopedHTMLStyleChildren(scope1) is 1
+PASS internals.numberOfScopedHTMLStyleChildren(scope2) is 1
+PASS internals.numberOfScopedHTMLStyleChildren(scope3) is 0
+--- Unsetting @scoped ---
+PASS internals.numberOfScopedHTMLStyleChildren(scope1) is 0
+PASS internals.numberOfScopedHTMLStyleChildren(scope2) is 0
+PASS internals.numberOfScopedHTMLStyleChildren(scope3) is 0
+--- Re-setting @scoped ---
+PASS internals.numberOfScopedHTMLStyleChildren(scope1) is 1
+PASS internals.numberOfScopedHTMLStyleChildren(scope2) is 1
+PASS internals.numberOfScopedHTMLStyleChildren(scope3) is 0
+--- Inserting/removing scope elements from document ---
+PASS internals.numberOfScopedHTMLStyleChildren(scope1) is 1
+PASS internals.numberOfScopedHTMLStyleChildren(scope2) is 0
+PASS internals.numberOfScopedHTMLStyleChildren(scope3) is 1
+--- Multiple scoped style elements within single scope ---
+PASS internals.numberOfScopedHTMLStyleChildren(scope1) is 3
+PASS internals.numberOfScopedHTMLStyleChildren(scope2) is 0
+PASS internals.numberOfScopedHTMLStyleChildren(scope3) is 0
+--- Removing scoping element from document ---
+PASS internals.numberOfScopedHTMLStyleChildren(scope1) is 0
+PASS internals.numberOfScopedHTMLStyleChildren(scope2) is 0
+PASS internals.numberOfScopedHTMLStyleChildren(scope3) is 0
+--- Inserting scope within other scope ---
+PASS internals.numberOfScopedHTMLStyleChildren(scope1) is 2
+PASS internals.numberOfScopedHTMLStyleChildren(scope2) is 1
+PASS internals.numberOfScopedHTMLStyleChildren(scope3) is 0
+--- Cloning <style scoped> and parents ---
+PASS internals.numberOfScopedHTMLStyleChildren(scope1) is 2
+PASS internals.numberOfScopedHTMLStyleChildren(scope2) is 1
+PASS internals.numberOfScopedHTMLStyleChildren(scope3) is 0
+PASS internals.numberOfScopedHTMLStyleChildren(clonescope1deep) is 0
+PASS internals.numberOfScopedHTMLStyleChildren(clonescope1shallow) is 0
+PASS internals.numberOfScopedHTMLStyleChildren(clonescope2deep) is 0
+PASS internals.numberOfScopedHTMLStyleChildren(clonescope2shallow) is 0
+--- inserting clones into single parent ---
+PASS internals.numberOfScopedHTMLStyleChildren(scope1) is 2
+PASS internals.numberOfScopedHTMLStyleChildren(scope2) is 1
+PASS internals.numberOfScopedHTMLStyleChildren(scope3) is 4
+PASS internals.numberOfScopedHTMLStyleChildren(clonescope1deep) is 2
+PASS internals.numberOfScopedHTMLStyleChildren(clonescope1shallow) is 0
+PASS internals.numberOfScopedHTMLStyleChildren(clonescope2deep) is 1
+PASS internals.numberOfScopedHTMLStyleChildren(clonescope2shallow) is 0
+--- Unsetting @scoped in nested scope ---
+PASS internals.numberOfScopedHTMLStyleChildren(scope1) is 1
+PASS internals.numberOfScopedHTMLStyleChildren(scope2) is 0
+PASS internals.numberOfScopedHTMLStyleChildren(scope3) is 4
+--- DONE ---
+PASS successfullyParsed is true
+
+TEST COMPLETE
+