Implement DOMPoint of geometry interfaces.

LayoutTests/fast/dom/geometry-interfaces-dom-point-expected.txt

Index: LayoutTests/fast/dom/geometry-interfaces-dom-point-expected.txt
diff --git a/LayoutTests/fast/dom/geometry-interfaces-dom-point-expected.txt b/LayoutTests/fast/dom/geometry-interfaces-dom-point-expected.txt
new file mode 100644
index 0000000000000000000000000000000000000000..efff6d6e10f592eec0097106f80c64d9c3dcf2f0
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+++ b/LayoutTests/fast/dom/geometry-interfaces-dom-point-expected.txt
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+# DOMPoint(2, 3)
+PASS point.x is 2
+PASS point.y is 3
+PASS point.z is 0
+PASS point.w is 1
+
+# DOMPoint(5, 7, 9)
+PASS point.x is 5
+PASS point.y is 7
+PASS point.z is 9
+PASS point.w is 1
+
+# DOMPoint(8, 2, 1, 6)
+PASS point.x is 8
+PASS point.y is 2
+PASS point.z is 1
+PASS point.w is 6
+
+# DOMPoint({ x : 2 })
+PASS point.x is 2
+PASS point.y is 0
+PASS point.z is 0
+PASS point.w is 1
+
+# DOMPoint({ y : 2 })
+PASS point.x is 0
+PASS point.y is 2
+PASS point.z is 0
+PASS point.w is 1
+
+# DOMPoint({ z : 2 })
+PASS point.x is 0
+PASS point.y is 0
+PASS point.z is 2
+PASS point.w is 1
+
+# DOMPoint({ w : 2 })
+PASS point.x is 0
+PASS point.y is 0
+PASS point.z is 0
+PASS point.w is 2
+
+# DOMPoint({ x : 2, y : 3, z : 4, w : 5 })
+PASS point.x is 2
+PASS point.y is 3
+PASS point.z is 4
+PASS point.w is 5
+
+# DOMPoint()
+PASS point.x is 0
+PASS point.y is 0
+PASS point.z is 0
+PASS point.w is 1
+
+# DOMPoint setter
+PASS point.x is 10
+PASS point.y is 20
+PASS point.z is 30
+PASS point.w is 40
+
+PASS successfullyParsed is true
+
+TEST COMPLETE
+