[SVG] Missing image loader update on re-insert.

Source/core/svg/SVGImageElement.cpp

Index: Source/core/svg/SVGImageElement.cpp
diff --git a/Source/core/svg/SVGImageElement.cpp b/Source/core/svg/SVGImageElement.cpp
index 4d9ec89f4b8735056233f713d1c4487492f01f3a..083d2a8103ce0a1f1eb71116010561b1f5fd57cd 100644
--- a/Source/core/svg/SVGImageElement.cpp
+++ b/Source/core/svg/SVGImageElement.cpp
@@ -208,6 +208,11 @@ Node::InsertionNotificationRequest SVGImageElement::insertedInto(ContainerNode*
     if (m_needsLoaderURIUpdate) {
         m_imageLoader.updateFromElementIgnoringPreviousError();
         m_needsLoaderURIUpdate = false;
+    } else {
+        // A previous loader update may have failed to actually fetch the image if the document
+        // was inactive. In that case, force a re-update (but don't clear previous errors).
+        if (!m_imageLoader.image())
+            m_imageLoader.updateFromElement();
     }
 
     return InsertionDone;