IDL: Put generated union type containers in separate files

Source/bindings/tests/results/core/TestInterfaceOrLong.h

+// Copyright 2015 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// This file has been auto-generated by code_generator_v8.py. DO NOT MODIFY!
+
+#ifndef TestInterfaceOrLong_h
+#define TestInterfaceOrLong_h
+
+#include "bindings/core/v8/Dictionary.h"
+#include "bindings/core/v8/ExceptionState.h"
+#include "bindings/core/v8/V8Binding.h"
+#include "bindings/core/v8/V8TestInterface.h"
+#include "bindings/tests/idls/core/TestImplements2.h"
+#include "bindings/tests/idls/core/TestImplements3Implementation.h"
+#include "bindings/tests/idls/core/TestPartialInterface.h"
+#include "bindings/tests/idls/core/TestPartialInterfaceImplementation.h"
+#include "platform/heap/Handle.h"
+
+namespace blink {
+
+class TestInterfaceOrLong final {
+    ALLOW_ONLY_INLINE_ALLOCATION();
+public:
+    TestInterfaceOrLong();
+    bool isNull() const { return m_type == SpecificTypeNone; }
+
+    bool isTestInterface() const { return m_type == SpecificTypeTestInterface; }
+    PassRefPtr<TestInterfaceImplementation> getAsTestInterface() const;
+    void setTestInterface(PassRefPtr<TestInterfaceImplementation>);
+    static TestInterfaceOrLong fromTestInterface(PassRefPtr<TestInterfaceImplementation>);
+
+    bool isLong() const { return m_type == SpecificTypeLong; }
+    int getAsLong() const;
+    void setLong(int);
+    static TestInterfaceOrLong fromLong(int);
+
+private:
+    enum SpecificTypes {
+        SpecificTypeNone,
+        SpecificTypeTestInterface,
+        SpecificTypeLong,
+    };
+    SpecificTypes m_type;
+
+    RefPtr<TestInterfaceImplementation> m_testInterface;
+    int m_long;
+
+    friend v8::Local<v8::Value> toV8(const TestInterfaceOrLong&, v8::Local<v8::Object>, v8::Isolate*);
+};
+
+class V8TestInterfaceOrLong final {
+public:
+    static void toImpl(v8::Isolate*, v8::Local<v8::Value>, TestInterfaceOrLong&, ExceptionState&);
+};
+
+v8::Local<v8::Value> toV8(const TestInterfaceOrLong&, v8::Local<v8::Object>, v8::Isolate*);
+
+template <class CallbackInfo>
+inline void v8SetReturnValue(const CallbackInfo& callbackInfo, TestInterfaceOrLong& impl)
+{
+    v8SetReturnValue(callbackInfo, toV8(impl, callbackInfo.Holder(), callbackInfo.GetIsolate()));
+}
+
+template <>
+struct NativeValueTraits<TestInterfaceOrLong> {
+    static TestInterfaceOrLong nativeValue(const v8::Local<v8::Value>&, v8::Isolate*, ExceptionState&);
+};
+
+} // namespace blink
+
+#endif // TestInterfaceOrLong_h