Revert "Revert "Dartium changes for custom element lifecycle events.""

Source/bindings/dart/custom/DartDocumentCustom.cpp

Index: Source/bindings/dart/custom/DartDocumentCustom.cpp
diff --git a/Source/bindings/dart/custom/DartDocumentCustom.cpp b/Source/bindings/dart/custom/DartDocumentCustom.cpp
index 362de2277ff7e100797edf2cf12628a1da8ff8fb..deab8b1e2051e7930d893aaed1efa38d1a615acf 100644
--- a/Source/bindings/dart/custom/DartDocumentCustom.cpp
+++ b/Source/bindings/dart/custom/DartDocumentCustom.cpp
@@ -30,10 +30,12 @@
 #include "config.h"
 #include "DartDocument.h"
 
+#include "DartElement.h"
 #include "DartHTMLDocument.h"
 #include "DartSVGDocument.h"
 #include "DartTouchList.h"
 #include "bindings/dart/DartDOMWrapper.h"
+#include "core/dom/CustomElementCallbackDispatcher.h"
 #include "core/dom/Document.h"
 
 namespace WebCore {
@@ -59,6 +61,90 @@ void createTouchListCallback(Dart_NativeArguments args)
     DartTouchList::returnToDart(args, touchList.release());
 }
 
+void createElementCallback(Dart_NativeArguments args)
+{
+    Dart_Handle exception = 0;
+    {
+        Document* receiver = DartDOMWrapper::receiver< Document >(args);
+
+        DartStringAdapter localName = DartUtilities::dartToString(args, 1, exception);
+        if (exception)
+            goto fail;
+
+        DartStringAdapter typeExtension = DartUtilities::dartToStringWithNullCheck(args, 2, exception);
+        if (exception)
+            goto fail;
+
+        DartExceptionState es;
+        RefPtr<Element> result;
+        {
+            CustomElementCallbackDispatcher::CallbackDeliveryScope deliveryScope;
+
+            const AtomicString& typeExtensionString = typeExtension;
+            if (typeExtensionString.isNull()) {
+                result = receiver->createElement(localName, es);
+            } else {
+                result = receiver->createElement(localName, typeExtensionString, es);
+            }
+        }
+
+        DartElement::returnToDart(args, result);
+        if (es.hadException()) {
+            exception = DartDOMWrapper::exceptionCodeToDartException(es);
+            goto fail;
+        }
+        return;
+    }
+
+fail:
+    Dart_ThrowException(exception);
+    ASSERT_NOT_REACHED();
 }
 
+void createElementNSCallback(Dart_NativeArguments args)
+{
+    Dart_Handle exception = 0;
+    {
+        Document* receiver = DartDOMWrapper::receiver< Document >(args);
+
+        DartStringAdapter namespaceURI = DartUtilities::dartToString(args, 1, exception);
+        if (exception)
+            goto fail;
+
+        DartStringAdapter qualifiedName = DartUtilities::dartToString(args, 2, exception);
+        if (exception)
+            goto fail;
+
+        DartStringAdapter typeExtension = DartUtilities::dartToStringWithNullCheck(args, 3, exception);
+        if (exception)
+            goto fail;
+
+        DartExceptionState es;
+        RefPtr<Element> result;
+        {
+            CustomElementCallbackDispatcher::CallbackDeliveryScope deliveryScope;
+
+            const AtomicString& typeExtensionString = typeExtension;
+            if (typeExtensionString.isNull()) {
+                result = receiver->createElementNS(namespaceURI, qualifiedName, es);
+            } else {
+                result = receiver->createElementNS(namespaceURI, qualifiedName, typeExtensionString, es);
+            }
+        }
+
+        DartElement::returnToDart(args, result);
+        if (es.hadException()) {
+            exception = DartDOMWrapper::exceptionCodeToDartException(es);
+            goto fail;
+        }
+        return;
+    }
+
+fail:
+    Dart_ThrowException(exception);
+    ASSERT_NOT_REACHED();
 }
+
+} // namespace DartDocumentInternal
+
+} // namespace WebCore