IDL: ArrayBuffer and ArrayBufferView support for union types

Source/core/css/FontFace.cpp

Index: Source/core/css/FontFace.cpp
diff --git a/Source/core/css/FontFace.cpp b/Source/core/css/FontFace.cpp
index 29d02b3eb995f4190557d52c95c6b4666309d1cf..3fb3fb8aae6c7f51d3deda582cfd1f081204d7a3 100644
--- a/Source/core/css/FontFace.cpp
+++ b/Source/core/css/FontFace.cpp
@@ -33,6 +33,7 @@
 
 #include "bindings/core/v8/ExceptionState.h"
 #include "bindings/core/v8/ScriptState.h"
+#include "bindings/core/v8/UnionTypesCore.h"
 #include "core/CSSValueKeywords.h"
 #include "core/css/BinaryDataFontFaceSource.h"
 #include "core/css/CSSFontFace.h"
@@ -68,6 +69,18 @@ static PassRefPtrWillBeRawPtr<CSSValue> parseCSSValue(const Document* document,
     return CSSParser::parseSingleValue(propertyID, s, context);
 }
 
+PassRefPtrWillBeRawPtr<FontFace> FontFace::create(ExecutionContext* context, const AtomicString& family, StringOrArrayBufferOrArrayBufferView& source, const FontFaceDescriptors& descriptors)
+{
+    if (source.isString())
+        return create(context, family, source.getAsString(), descriptors);
+    if (source.isArrayBuffer())
+        return create(context, family, source.getAsArrayBuffer(), descriptors);
+    if (source.isArrayBufferView())
+        return create(context, family, source.getAsArrayBufferView(), descriptors);
+    ASSERT_NOT_REACHED();
+    return nullptr;
+}
+
 PassRefPtrWillBeRawPtr<FontFace> FontFace::create(ExecutionContext* context, const AtomicString& family, const String& source, const FontFaceDescriptors& descriptors)
 {
     RefPtrWillBeRawPtr<FontFace> fontFace = adoptRefWillBeNoop(new FontFace(context, family, descriptors));