Update Custom Elements API to new names.

LayoutTests/fast/dom/custom/type-extensions.html

Index: LayoutTests/fast/dom/custom/type-extensions.html
diff --git a/LayoutTests/fast/dom/custom/type-extensions.html b/LayoutTests/fast/dom/custom/type-extensions.html
index 265593435f5194e371d79c00624baf1e6279c004..3506d7c0d4ea25c1752c496329a74c7deb941bab 100644
--- a/LayoutTests/fast/dom/custom/type-extensions.html
+++ b/LayoutTests/fast/dom/custom/type-extensions.html
@@ -5,7 +5,7 @@
 <script>
 test(function() {
     var p = Object.create(HTMLDivElement.prototype);
-    var C = document.register('x-div', {extends: 'div', prototype: p});
+    var C = document.registerElement('x-div', {extends: 'div', prototype: p});
     assert_equals(new C().outerHTML, '<div is="x-div"></div>',
                   'type extensions should have an "is" attribute');
     assert_equals(new C().tagName, 'DIV',
@@ -14,7 +14,7 @@ test(function() {
 
 test(function() {
     var p = Object.create(Window.prototype);
-    var C = document.register('x-em', {extends: 'em', prototype: p});
+    var C = document.registerElement('x-em', {extends: 'em', prototype: p});
     var e = new C();
     Node.prototype.appendChild.call(e, document.createTextNode('Hi!'));
     assert_equals(e.outerHTML, '<em is="x-em">Hi!</em>',
@@ -24,33 +24,33 @@ test(function() {
 
 test(function() {
     var p = Object.create(HTMLUnknownElement.prototype);
-    var C = document.register('x-unknown', {extends: 'unknown', prototype: p});
+    var C = document.registerElement('x-unknown', {extends: 'unknown', prototype: p});
     assert_equals(new C().outerHTML, '<unknown is="x-unknown"></unknown>');
 }, 'register a type extension of an unknown element');
 
 test(function() {
     // registering an SVG element requires an SVGElement prototype
     var p = Object.create(SVGElement.prototype);
-    var C = document.register('x-use', {extends: 'use', prototype: p});
+    var C = document.registerElement('x-use', {extends: 'use', prototype: p});
     assert_equals(new C().namespaceURI, 'http://www.w3.org/2000/svg',
                   'SVG type extensions should have the SVG namespace');
 }, 'register a type extension of an SVG element');
 
 test(function() {
     var p = Object.create(HTMLElement.prototype);
-    var C = document.register('x-sect', {extends: 'section', prototype: p});
+    var C = document.registerElement('x-sect', {extends: 'section', prototype: p});
     assert_equals(new C().outerHTML, '<section is="x-sect"></section>');
 }, 'register a type extension of an element whose interface is HTMLElement');
 
 test(function() {
-    var C = document.register('x-augment', {extends: 'ins', prototype: {}});
+    var C = document.registerElement('x-augment', {extends: 'ins', prototype: {}});
     assert_equals(new C().outerHTML, '<ins is="x-augment"></ins>');
-    var D = document.register('x-elide', {extends: 'del', prototype: {}});
+    var D = document.registerElement('x-elide', {extends: 'del', prototype: {}});
     assert_equals(new D().outerHTML, '<del is="x-elide"></del>');
 }, 'register a type extensions of an interface with multiple element names');
 
 test(function() {
-    var C = document.register('x-ins', {extends: 'InS', prototype: {}});
+    var C = document.registerElement('x-ins', {extends: 'InS', prototype: {}});
     assert_equals(new C().tagName, 'INS',
                   'tag name should be that of the base element');
 }, 'register a type extension with unusual case');
@@ -60,7 +60,7 @@ test(function() {
         'INVALID_CHARACTER_ERR',
         function() {
             var p = Object.create(HTMLElement.prototype);
-            document.register('x-bespoke', {extends: 'x-spoke', prototype: p});
+            document.registerElement('x-bespoke', {extends: 'x-spoke', prototype: p});
         },
         'registering a type extension of a custom tag should fail');
 }, 'registering a type extension of a custom tag should fail');