Adds SVGImageElement as a ImageBitmapSource

third_party/WebKit/Source/core/svg/SVGImageElement.h

Index: third_party/WebKit/Source/core/svg/SVGImageElement.h
diff --git a/third_party/WebKit/Source/core/svg/SVGImageElement.h b/third_party/WebKit/Source/core/svg/SVGImageElement.h
index db9341b98a306454de1b26e8921429328e766959..3fc6a084c8a0371497992325b61303c4f65c8e38 100644
--- a/third_party/WebKit/Source/core/svg/SVGImageElement.h
+++ b/third_party/WebKit/Source/core/svg/SVGImageElement.h
@@ -23,6 +23,7 @@
 
 #include "core/SVGNames.h"
 #include "core/html/canvas/CanvasImageElementSource.h"
+#include "core/imagebitmap/ImageBitmapSource.h"
 #include "core/svg/SVGAnimatedLength.h"
 #include "core/svg/SVGAnimatedPreserveAspectRatio.h"
 #include "core/svg/SVGGraphicsElement.h"
@@ -33,6 +34,7 @@
 namespace blink {
 
 class CORE_EXPORT SVGImageElement final : public SVGGraphicsElement,
+                                          public ImageBitmapSource,
                                           public CanvasImageElementSource,
                                           public SVGURIReference {
   DEFINE_WRAPPERTYPEINFO();
@@ -55,6 +57,14 @@ class CORE_EXPORT SVGImageElement final : public SVGGraphicsElement,
   // Exposed for testing.
   ImageResourceContent* cachedImage() const { return imageLoader().image(); }
 
+  // ImageBitmapSource implementation
+  IntSize bitmapSourceSize() const override;
+  ScriptPromise createImageBitmap(ScriptState*,
+                                  EventTarget&,
+                                  Optional<IntRect> cropRect,
+                                  const ImageBitmapOptions&,
+                                  ExceptionState&) override;
+
  private:
   explicit SVGImageElement(Document&);