Adds SVGImageElement as a CanvasImageSource

third_party/WebKit/Source/modules/canvas2d/BaseRenderingContext2D.cpp

Index: third_party/WebKit/Source/modules/canvas2d/BaseRenderingContext2D.cpp
diff --git a/third_party/WebKit/Source/modules/canvas2d/BaseRenderingContext2D.cpp b/third_party/WebKit/Source/modules/canvas2d/BaseRenderingContext2D.cpp
index c57036dd49aab7e91a0c1e0bac266a63448e9e4d..3c9e5c7c9fa1e21e1f0341d346f99885f83259d6 100644
--- a/third_party/WebKit/Source/modules/canvas2d/BaseRenderingContext2D.cpp
+++ b/third_party/WebKit/Source/modules/canvas2d/BaseRenderingContext2D.cpp
@@ -15,6 +15,7 @@
 #include "core/html/HTMLVideoElement.h"
 #include "core/html/ImageData.h"
 #include "core/offscreencanvas/OffscreenCanvas.h"
+#include "core/svg/SVGImageElement.h"
 #include "modules/canvas2d/CanvasGradient.h"
 #include "modules/canvas2d/CanvasPattern.h"
 #include "modules/canvas2d/CanvasStyle.h"
@@ -932,6 +933,10 @@ static inline CanvasImageSource* toImageSourceInternal(
     }
     return value.getAsOffscreenCanvas();
   }
+  if (value.isSVGImageElement()) {
+    SVGImageElement* image = value.getAsSVGImageElement();
+    return image;
+  }
   NOTREACHED();
   return nullptr;
 }