Update Custom Elements API to new names.

LayoutTests/fast/dom/custom/leaks.html

Index: LayoutTests/fast/dom/custom/leaks.html
diff --git a/LayoutTests/fast/dom/custom/leaks.html b/LayoutTests/fast/dom/custom/leaks.html
index eac4cbfc5edba1a633bc11e53ce5ce3be8d5ec93..3a4b895f653126775c2063b4a7ca52110e2dc0c2 100644
--- a/LayoutTests/fast/dom/custom/leaks.html
+++ b/LayoutTests/fast/dom/custom/leaks.html
@@ -20,11 +20,11 @@ function step1() {
 
         var proto = Object.create(frame.contentWindow.HTMLElement.prototype);
         proto.createdCallback = function () {};
-        proto.enteredViewCallback = function () {};
-        proto.leftViewCallback = function () {};
+        proto.attachedCallback = function () {};
+        proto.detachedCallback = function () {};
         proto.attributeChangedCallback = function () {};
 
-        var ctor = frame.contentDocument.register('x-x', {prototype: proto});
+        var ctor = frame.contentDocument.registerElement('x-x', {prototype: proto});
 
         // Create some instances
 
@@ -66,7 +66,7 @@ function step2() {
             var goodies = [proto, ctor, contentDocument, contentWindow, frame];
             goodies.forEach(function (loot) { console.log(loot); });
         };
-        var ctor = contentDocument.register('x-x', {prototype: proto});
+        var ctor = contentDocument.registerElement('x-x', {prototype: proto});
 
         // Create an instance; put it in the document
         var elem = new ctor();
@@ -104,7 +104,7 @@ function step3() {
             var goodies = [proto, ctor, contentDocument, contentWindow, frame];
             goodies.forEach(function (loot) { console.log(loot); });
         };
-        var ctor = contentDocument.register('x-x', {prototype: proto});
+        var ctor = contentDocument.registerElement('x-x', {prototype: proto});
 
         // Create an instance; put it in the document *and* point to
         // it from the window.