IDL: Generate union type containers

Source/bindings/tests/results/core/V8TestObject.cpp

Index: Source/bindings/tests/results/core/V8TestObject.cpp
diff --git a/Source/bindings/tests/results/core/V8TestObject.cpp b/Source/bindings/tests/results/core/V8TestObject.cpp
index 9c28c961919c4939c76e0ec0b0ff2eaadeaa4238..e5b722d1855d3730ebfb110831b479a59045304d 100644
--- a/Source/bindings/tests/results/core/V8TestObject.cpp
+++ b/Source/bindings/tests/results/core/V8TestObject.cpp
@@ -16,6 +16,7 @@
 #include "bindings/core/v8/ScriptState.h"
 #include "bindings/core/v8/ScriptValue.h"
 #include "bindings/core/v8/SerializedScriptValue.h"
+#include "bindings/core/v8/UnionTypesCore.h"
 #include "bindings/core/v8/V8AbstractEventListener.h"
 #include "bindings/core/v8/V8ArrayBuffer.h"
 #include "bindings/core/v8/V8ArrayBufferView.h"
@@ -6334,18 +6335,9 @@ static void nullableLongSequenceMethodMethodCallback(const v8::FunctionCallbackI
 static void testInterfaceGarbageCollectedOrDOMStringMethodMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TestObject* impl = V8TestObject::toImpl(info.Holder());
-    RawPtr<TestInterfaceGarbageCollected> result0 = nullptr;
-    String result1;
-    impl->testInterfaceGarbageCollectedOrDOMStringMethod(result0, result1);
-    if (result0) {
-        v8SetReturnValue(info, result0.release());
-        return;
-    }
-    if (!result1.isNull()) {
-        v8SetReturnValueString(info, result1, info.GetIsolate());
-        return;
-    }
-    v8SetReturnValueNull(info);
+    TestInterfaceGarbageCollectedOrString result;
+    impl->testInterfaceGarbageCollectedOrDOMStringMethod(result);
+    v8SetReturnValue(info, result);
 }
 
 static void testInterfaceGarbageCollectedOrDOMStringMethodMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
@@ -6358,18 +6350,9 @@ static void testInterfaceGarbageCollectedOrDOMStringMethodMethodCallback(const v
 static void testInterfaceWillBeGarbageCollectedOrTestDictionaryMethodMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TestObject* impl = V8TestObject::toImpl(info.Holder());
-    RefPtrWillBeRawPtr<TestInterfaceWillBeGarbageCollected> result0 = nullptr;
-    Nullable<TestDictionary> result1;
-    impl->testInterfaceWillBeGarbageCollectedOrTestDictionaryMethod(result0, result1);
-    if (result0) {
-        v8SetReturnValue(info, result0.release());
-        return;
-    }
-    if (result1) {
-        v8SetReturnValue(info, result);
-        return;
-    }
-    v8SetReturnValueNull(info);
+    TestInterfaceWillBeGarbageCollectedOrTestDictionary result;
+    impl->testInterfaceWillBeGarbageCollectedOrTestDictionaryMethod(result);
+    v8SetReturnValue(info, result);
 }
 
 static void testInterfaceWillBeGarbageCollectedOrTestDictionaryMethodMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
@@ -6382,23 +6365,9 @@ static void testInterfaceWillBeGarbageCollectedOrTestDictionaryMethodMethodCallb
 static void longSequenceOrDOMStringArrayOrUnrestrictedDoubleMethodMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TestObject* impl = V8TestObject::toImpl(info.Holder());
-    Nullable<Vector<int> > result0;
-    Nullable<Vector<String> > result1;
-    Nullable<double> result2;
-    impl->longSequenceOrDOMStringArrayOrUnrestrictedDoubleMethod(result0, result1, result2);
-    if (result0) {
-        v8SetReturnValue(info, v8Array(result0.get(), info.Holder(), info.GetIsolate()));
-        return;
-    }
-    if (result1) {
-        v8SetReturnValue(info, v8Array(result1.get(), info.Holder(), info.GetIsolate()));
-        return;
-    }
-    if (result2) {
-        v8SetReturnValue(info, result2.get());
-        return;
-    }
-    v8SetReturnValueNull(info);
+    LongSequenceOrStringArrayOrUnrestrictedDouble result;
+    impl->longSequenceOrDOMStringArrayOrUnrestrictedDoubleMethod(result);
+    v8SetReturnValue(info, result);
 }
 
 static void longSequenceOrDOMStringArrayOrUnrestrictedDoubleMethodMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)