Use union type in ImageBitmapFactories.idl

third_party/WebKit/Source/core/html/ImageData.h

Index: third_party/WebKit/Source/core/html/ImageData.h
diff --git a/third_party/WebKit/Source/core/html/ImageData.h b/third_party/WebKit/Source/core/html/ImageData.h
index 4cb126baa46b68d815be45dfa5bae9e8e78868f9..299723a8769c0fd3ea22631accab838334b0bbd6 100644
--- a/third_party/WebKit/Source/core/html/ImageData.h
+++ b/third_party/WebKit/Source/core/html/ImageData.h
@@ -32,6 +32,7 @@
 #include "bindings/core/v8/ScriptWrappable.h"
 #include "core/CoreExport.h"
 #include "core/dom/DOMTypedArray.h"
+#include "core/imagebitmap/ImageBitmapSource.h"
 #include "platform/geometry/IntSize.h"
 #include "platform/heap/Handle.h"
 #include "wtf/RefPtr.h"
@@ -40,7 +41,7 @@ namespace blink {
 
 class ExceptionState;
 
-class CORE_EXPORT ImageData final : public GarbageCollectedFinalized<ImageData>, public ScriptWrappable {
+class CORE_EXPORT ImageData final : public GarbageCollectedFinalized<ImageData>, public ScriptWrappable, public ImageBitmapSource {
     DEFINE_WRAPPERTYPEINFO();
 public:
     static ImageData* create(const IntSize&);
@@ -55,6 +56,10 @@ public:
     const DOMUint8ClampedArray* data() const { return m_data.get(); }
     DOMUint8ClampedArray* data() { return m_data.get(); }
 
+    // ImageBitmapSource implementation
+    IntSize bitmapSourceSize() const override { return m_size; }
+    bool isImageData() const override { return true; }
+
     DEFINE_INLINE_TRACE() { }
 
     void dispose();