Returns nullptr in getImageSourceForCanvas when imageSnapshot is null

Source/core/html/HTMLCanvasElement.cpp

Index: Source/core/html/HTMLCanvasElement.cpp
diff --git a/Source/core/html/HTMLCanvasElement.cpp b/Source/core/html/HTMLCanvasElement.cpp
index 3f9fd63726d9d5c185275d830d6666f4ceed8038..e49d7dbe402094ed32006e20203bd845d75dcc7c 100644
--- a/Source/core/html/HTMLCanvasElement.cpp
+++ b/Source/core/html/HTMLCanvasElement.cpp
@@ -738,11 +738,19 @@ PassRefPtr<Image> HTMLCanvasElement::getSourceImageForCanvas(SourceImageMode mod
 
         // can't create SkImage from WebGLImageBufferSurface (contains only SkBitmap)
         return m_imageBuffer->copyImage(DontCopyBackingStore, Unscaled);
-    } else {
+    }
+
+    RefPtr<SkImage> image = m_imageBuffer->newImageSnapshot();
+    if (image) {
         *status = NormalSourceImageStatus;
+
+        return StaticBitmapImage::create(image.release());
     }
 
-    return StaticBitmapImage::create(m_imageBuffer->newImageSnapshot());
+
+    *status = InvalidSourceImageStatus;
+
+    return nullptr;
 }
 
 bool HTMLCanvasElement::wouldTaintOrigin(SecurityOrigin*) const