Adds SVGImageElement as a ImageBitmapSource

third_party/WebKit/Source/core/imagebitmap/ImageBitmapFactories.cpp

Index: third_party/WebKit/Source/core/imagebitmap/ImageBitmapFactories.cpp
diff --git a/third_party/WebKit/Source/core/imagebitmap/ImageBitmapFactories.cpp b/third_party/WebKit/Source/core/imagebitmap/ImageBitmapFactories.cpp
index 71c3c6faeebe085a32bfe670837ca9c95499bea8..5269bd7845f885353e192d0f434da7503d7e3d7b 100644
--- a/third_party/WebKit/Source/core/imagebitmap/ImageBitmapFactories.cpp
+++ b/third_party/WebKit/Source/core/imagebitmap/ImageBitmapFactories.cpp
@@ -45,6 +45,7 @@
 #include "core/html/ImageData.h"
 #include "core/imagebitmap/ImageBitmapOptions.h"
 #include "core/offscreencanvas/OffscreenCanvas.h"
+#include "core/svg/SVGImageElement.h"
 #include "core/svg/graphics/SVGImage.h"
 #include "core/workers/WorkerGlobalScope.h"
 #include "platform/CrossThreadFunctional.h"
@@ -85,6 +86,28 @@ static inline ImageBitmapSource* toImageBitmapSourceInternal(
     }
     return imageElement;
   }
+  if (value.isSVGImageElement()) {
+    SVGImageElement* imageElement = value.getAsSVGImageElement();
+    if (!imageElement || !imageElement->cachedImage()) {

[fs, 2017/04/06 16:48:12]

This sequence of code also looks very similar to the HTMLImageElement case =).

[fserb, 2017/04/06 20:06:16]

done

+      exceptionState.throwDOMException(
+          InvalidStateError,
+          "No image can be retrieved from the provided element.");
+      return nullptr;
+    }
+    if (imageElement->cachedImage()->getImage()->isSVGImage()) {
+      SVGImage* image = toSVGImage(imageElement->cachedImage()->getImage());
+      if (!image->hasIntrinsicDimensions() &&
+          (!hasCropRect &&
+           (!options.hasResizeWidth() || !options.hasResizeHeight()))) {
+        exceptionState.throwDOMException(
+            InvalidStateError,
+            "The image element contains an SVG image without intrinsic "
+            "dimensions, and no resize options or crop region are specified.");
+        return nullptr;
+      }
+    }
+    return imageElement;
+  }
   if (value.isHTMLVideoElement())
     return value.getAsHTMLVideoElement();
   if (value.isHTMLCanvasElement())