IDL: Generate union type containers

Source/core/dom/Document.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  *           (C) 2006 Alexey Proskuryakov (ap@webkit.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2011, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2008, 2009, 2011, 2012 Google Inc. All rights reserved.
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) Research In Motion Limited 2010-2011. All rights reserved.
@@ skipping 16 matching lines @@
 
 #include "config.h"
 #include "core/dom/Document.h"
 
 #include "bindings/core/v8/CustomElementConstructorBuilder.h"
 #include "bindings/core/v8/DOMDataStore.h"
 #include "bindings/core/v8/ExceptionMessages.h"
 #include "bindings/core/v8/ExceptionState.h"
 #include "bindings/core/v8/ExceptionStatePlaceholder.h"
 #include "bindings/core/v8/ScriptController.h"
+#include "bindings/core/v8/UnionTypesCore.h"
 #include "bindings/core/v8/V8DOMWrapper.h"
 #include "bindings/core/v8/WindowProxy.h"
 #include "core/HTMLElementFactory.h"
 #include "core/HTMLNames.h"
 #include "core/SVGElementFactory.h"
 #include "core/SVGNames.h"
 #include "core/XMLNSNames.h"
 #include "core/XMLNames.h"
 #include "core/accessibility/AXObjectCache.h"
 #include "core/animation/AnimationTimeline.h"
@@ skipping 4887 matching lines @@
     m_ranges.add(range);
 }
 
 void Document::detachRange(Range* range)
 {
     // We don't ASSERT m_ranges.contains(range) to allow us to call this
     // unconditionally to fix: https://bugs.webkit.org/show_bug.cgi?id=26044
     m_ranges.remove(range);
 }
 
-void Document::getCSSCanvasContext(const String& type, const String& name, int width, int height, RefPtrWillBeRawPtr<CanvasRenderingContext2D>& context2d, RefPtrWillBeRawPtr<WebGLRenderingContext>& context3d)
+void Document::getCSSCanvasContext(const String& type, const String& name, int width, int height, CanvasRenderingContext2DOrWebGLRenderingContext& returnValue)
 {
     HTMLCanvasElement& element = getCSSCanvasElement(name);
     element.setSize(IntSize(width, height));
     CanvasRenderingContext* context = element.getContext(type);
     if (!context)
         return;
 
     if (context->is2d()) {
-        context2d = toCanvasRenderingContext2D(context);
+        returnValue.setCanvasRenderingContext2D(toCanvasRenderingContext2D(context));
     } else if (context->is3d()) {
-        context3d = toWebGLRenderingContext(context);
+        returnValue.setWebGLRenderingContext(toWebGLRenderingContext(context));
     }
 }
 
 HTMLCanvasElement& Document::getCSSCanvasElement(const String& name)
 {
     RefPtrWillBeMember<HTMLCanvasElement>& element = m_cssCanvasElements.add(name, nullptr).storedValue->value;
     if (!element) {
         element = HTMLCanvasElement::create(*this);
         element->setAccelerationDisabled(true);
     }
@@ skipping 858 matching lines @@
 #ifndef NDEBUG
 using namespace blink;
 void showLiveDocumentInstances()
 {
     WeakDocumentSet& set = liveDocumentSet();
     fprintf(stderr, "There are %u documents currently alive:\n", set.size());
     for (Document* document : set)
         fprintf(stderr, "- Document %p URL: %s\n", document, document->url().string().utf8().data());
 }
 #endif