WebGL support.

Source/WebCore/bindings/dart/DartUtilities.cpp

Index: Source/WebCore/bindings/dart/DartUtilities.cpp
diff --git a/Source/WebCore/bindings/dart/DartUtilities.cpp b/Source/WebCore/bindings/dart/DartUtilities.cpp
index f8f13329a9d6cc074554210895a07fcf7e33d5eb..c961b2e7f67f852a49778f4ec1c8e79c5ff20250 100644
--- a/Source/WebCore/bindings/dart/DartUtilities.cpp
+++ b/Source/WebCore/bindings/dart/DartUtilities.cpp
@@ -125,6 +125,60 @@ struct IntegerTrait {
     }
 };
 
+template <>
+double DartUtilities::toNative<double>(Dart_Handle object)
+{
+    return DartUtilities::toDouble(object);
+}
+
+template <>
+float DartUtilities::toNative<float>(Dart_Handle object)
+{
+    return DartUtilities::toDouble(object);
+}
+
+template <>
+int8_t DartUtilities::toNative<int8_t>(Dart_Handle object)
+{
+    return DartUtilities::toInteger(object);
+}
+
+template <>
+int16_t DartUtilities::toNative<int16_t>(Dart_Handle object)
+{
+    return DartUtilities::toInteger(object);
+}
+
+template <>
+int32_t DartUtilities::toNative<int32_t>(Dart_Handle object)
+{
+    return DartUtilities::toInteger(object);
+}
+
+template <>
+int64_t DartUtilities::toNative<int64_t>(Dart_Handle object)
+{
+    return DartUtilities::toInteger(object);
+}
+
+template <>
+uint8_t DartUtilities::toNative<uint8_t>(Dart_Handle object)
+{
+    return DartUtilities::toInteger(object);
+}
+
+template <>
+uint16_t DartUtilities::toNative<uint16_t>(Dart_Handle object)
+{
+    return DartUtilities::toInteger(object);
+}
+
+template <>
+uint32_t DartUtilities::toNative<uint32_t>(Dart_Handle object)
+{
+    return DartUtilities::toInteger(object);
+}
+
 int64_t DartUtilities::toInteger(Dart_Handle object, Dart_Handle& exception)
 {
     return convert<IntegerTrait>(object, exception);
@@ -145,9 +199,11 @@ struct DoubleTrait {
         if (!Dart_IsNumber(object))
             return Dart_Error("the object !is Number");
 
-        object = Dart_InvokeDynamic(object, Dart_NewString("toDouble"), 0, 0);
-        if (Dart_IsError(object))
-            return object;
+        if (!Dart_IsDouble(object)) {
+            object = Dart_InvokeDynamic(object, Dart_NewString("toDouble"), 0, 0);
+            if (Dart_IsError(object))
+                return object;
+        }
 
         return Dart_DoubleValue(object, value);
     }
@@ -245,11 +301,8 @@ void DartUtilities::toMessagePortArray(Dart_Handle value, MessagePortArray& port
     ASSERT(!Dart_IsError(dom));
 
     Dart_Handle asList = Dart_InvokeStatic(dom, Dart_NewString("Utils"), Dart_NewString("convertToList"), 1, &value);
-    if (Dart_IsError(asList)) {
-        DartUtilities::reportProblem(DartUtilities::scriptExecutionContext(), asList);
-        exception = DartDOMWrapper::exceptionCodeToDartException(INVALID_STATE_ERR);
+    if (!checkResult(asList, exception))
         return;
-    }
     ASSERT(Dart_IsList(asList));
 
     intptr_t length = 0;
@@ -257,16 +310,12 @@ void DartUtilities::toMessagePortArray(Dart_Handle value, MessagePortArray& port
     portArray.resize(length);
     for (int i = 0; i < length; i++) {
         Dart_Handle element = Dart_ListGetAt(asList, i);
-        if (Dart_IsError(element)) {
-            exception = DartDOMWrapper::exceptionCodeToDartException(INVALID_STATE_ERR);
+        if (!checkResult(element, exception))
             return;
-        }
 
         MessagePort* messagePort = DartMessagePort::toNative(element, exception).get();
-        if (exception) {
-            exception = DartDOMWrapper::exceptionCodeToDartException(INVALID_STATE_ERR);
+        if (exception)
             return;
-        }
 
         ASSERT(messagePort);
         portArray[i] = messagePort;