IDL: Use Nullable for union type return value

Source/bindings/tests/results/V8TestTypedefs.cpp

Index: Source/bindings/tests/results/V8TestTypedefs.cpp
diff --git a/Source/bindings/tests/results/V8TestTypedefs.cpp b/Source/bindings/tests/results/V8TestTypedefs.cpp
index cf9760ae928a5da70fec8f23bcb7983166ad7ac5..57749650212ba9afebab6d56ef79e7bc48b9f4f2 100644
--- a/Source/bindings/tests/results/V8TestTypedefs.cpp
+++ b/Source/bindings/tests/results/V8TestTypedefs.cpp
@@ -196,16 +196,14 @@ static void uLongLongMethodTestInterfaceEmptyTypeSequenceArgMethodCallback(const
 static void testInterfaceOrTestInterfaceEmptyMethodMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TestTypedefs* impl = V8TestTypedefs::toNative(info.Holder());
-    bool result0Enabled = false;
     RefPtr<TestInterfaceImplementation> result0;
-    bool result1Enabled = false;
     RefPtr<TestInterfaceEmpty> result1;
-    impl->testInterfaceOrTestInterfaceEmptyMethod(result0Enabled, result0, result1Enabled, result1);
-    if (result0Enabled) {
+    impl->testInterfaceOrTestInterfaceEmptyMethod(result0, result1);
+    if (result0) {
         v8SetReturnValue(info, result0.release());
         return;
     }
-    if (result1Enabled) {
+    if (result1) {
         v8SetReturnValue(info, result1.release());
         return;
     }
@@ -219,6 +217,30 @@ static void testInterfaceOrTestInterfaceEmptyMethodMethodCallback(const v8::Func
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
+static void domStringOrDoubleMethodMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
+{
+    TestTypedefs* impl = V8TestTypedefs::toNative(info.Holder());
+    String result0;
+    Nullable<double> result1;
+    impl->domStringOrDoubleMethod(result0, result1);
+    if (!result0.isNull()) {
+        v8SetReturnValueString(info, result0, info.GetIsolate());
+        return;
+    }
+    if (result1) {
+        v8SetReturnValue(info, result1.get());
+        return;
+    }
+    v8SetReturnValueNull(info);
+}
+
+static void domStringOrDoubleMethodMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
+{
+    TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMMethod");
+    TestTypedefsV8Internal::domStringOrDoubleMethodMethod(info);
+    TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
+}
+
 static void arrayOfStringsMethodArrayOfStringsArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (UNLIKELY(info.Length() < 1)) {
@@ -294,6 +316,7 @@ static const V8DOMConfiguration::MethodConfiguration V8TestTypedefsMethods[] = {
     {"voidMethodTestCallbackInterfaceTypeArg", TestTypedefsV8Internal::voidMethodTestCallbackInterfaceTypeArgMethodCallback, 0, 1, V8DOMConfiguration::ExposedToAllScripts},
     {"uLongLongMethodTestInterfaceEmptyTypeSequenceArg", TestTypedefsV8Internal::uLongLongMethodTestInterfaceEmptyTypeSequenceArgMethodCallback, 0, 1, V8DOMConfiguration::ExposedToAllScripts},
     {"testInterfaceOrTestInterfaceEmptyMethod", TestTypedefsV8Internal::testInterfaceOrTestInterfaceEmptyMethodMethodCallback, 0, 0, V8DOMConfiguration::ExposedToAllScripts},
+    {"domStringOrDoubleMethod", TestTypedefsV8Internal::domStringOrDoubleMethodMethodCallback, 0, 0, V8DOMConfiguration::ExposedToAllScripts},
     {"arrayOfStringsMethodArrayOfStringsArg", TestTypedefsV8Internal::arrayOfStringsMethodArrayOfStringsArgMethodCallback, 0, 1, V8DOMConfiguration::ExposedToAllScripts},
     {"stringArrayMethodStringArrayArg", TestTypedefsV8Internal::stringArrayMethodStringArrayArgMethodCallback, 0, 1, V8DOMConfiguration::ExposedToAllScripts},
 };