Use union type in ImageBitmapFactories.idl

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

Index: third_party/WebKit/Source/core/html/HTMLCanvasElement.h
diff --git a/third_party/WebKit/Source/core/html/HTMLCanvasElement.h b/third_party/WebKit/Source/core/html/HTMLCanvasElement.h
index a8fdc1741b6ca79c51d50ab82c3b04d7dea1aca2..f208f37cd8c8b58d3b37059210374440d256c221 100644
--- a/third_party/WebKit/Source/core/html/HTMLCanvasElement.h
+++ b/third_party/WebKit/Source/core/html/HTMLCanvasElement.h
@@ -37,6 +37,7 @@
 #include "core/fileapi/FileCallback.h"
 #include "core/html/HTMLElement.h"
 #include "core/html/canvas/CanvasImageSource.h"
+#include "core/imagebitmap/ImageBitmapSource.h"
 #include "platform/geometry/FloatRect.h"
 #include "platform/geometry/IntSize.h"
 #include "platform/graphics/GraphicsTypes.h"
@@ -60,7 +61,7 @@ class ImageBufferSurface;
 class ImageData;
 class IntSize;
 
-class CORE_EXPORT HTMLCanvasElement final : public HTMLElement, public DocumentVisibilityObserver, public CanvasImageSource, public ImageBufferClient {
+class CORE_EXPORT HTMLCanvasElement final : public HTMLElement, public DocumentVisibilityObserver, public CanvasImageSource, public ImageBufferClient, public ImageBitmapSource {
     DEFINE_WRAPPERTYPEINFO();
     WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(HTMLCanvasElement);
 public:
@@ -158,6 +159,10 @@ public:
 
     void doDeferredPaintInvalidation();
 
+    // ImageBitmapSource implementation
+    IntSize bitmapSourceSize() const override;
+    ScriptPromise createImageBitmap(ScriptState*, EventTarget&, int sx, int sy, int sw, int sh, ExceptionState&) override;
+
     DECLARE_VIRTUAL_TRACE();
 
     void createImageBufferUsingSurfaceForTesting(PassOwnPtr<ImageBufferSurface>);