Move the dom directory from web-platform-tests/ to wpt/.

third_party/WebKit/LayoutTests/imported/web-platform-tests/dom/nodes/Document-createProcessingInstruction.js

-test(function() {
-  var invalid = [
-        ["A", "?>"],
-        ["\u00B7A", "x"],
-        ["\u00D7A", "x"],
-        ["A\u00D7", "x"],
-        ["\\A", "x"],
-        ["\f", "x"],
-        [0, "x"],
-        ["0", "x"]
-      ],
-      valid = [
-        ["xml:fail", "x"],
-        ["A\u00B7A", "x"],
-        ["a0", "x"]
-      ]
-
-  for (var i = 0, il = invalid.length; i < il; i++) {
-    test(function() {
-      assert_throws("INVALID_CHARACTER_ERR", function() {
-        document.createProcessingInstruction(invalid[i][0], invalid[i][1])
-      })
-    }, "Should throw an INVALID_CHARACTER_ERR for target " +
-       format_value(invalid[i][0]) + " and data " +
-       format_value(invalid[i][1]) + ".")
-  }
-  for (var i = 0, il = valid.length; i < il; ++i) {
-    test(function() {
-      var pi = document.createProcessingInstruction(valid[i][0], valid[i][1]);
-      assert_equals(pi.target, valid[i][0]);
-      assert_equals(pi.data, valid[i][1]);
-      assert_equals(pi.ownerDocument, document);
-      assert_true(pi instanceof ProcessingInstruction);
-      assert_true(pi instanceof Node);
-    }, "Should get a ProcessingInstruction for target " +
-      format_value(valid[i][0]) + " and data " +
-      format_value(valid[i][1]) + ".")
-  }
-})