Assert that loading is complete in SVGImage::hasSingleSecurityOrigin()

Source/core/svg/graphics/SVGImage.cpp

Index: Source/core/svg/graphics/SVGImage.cpp
diff --git a/Source/core/svg/graphics/SVGImage.cpp b/Source/core/svg/graphics/SVGImage.cpp
index 395f2db1e4c341aa3724ec4a8f3824d2a4620042..6c3f2de1af84dc79edf103fe204edb0c7a8dc8c2 100644
--- a/Source/core/svg/graphics/SVGImage.cpp
+++ b/Source/core/svg/graphics/SVGImage.cpp
@@ -83,6 +83,9 @@ bool SVGImage::hasSingleSecurityOrigin() const
         return true;
 
     Frame* frame = m_page->mainFrame();
+
+    RELEASE_ASSERT(!frame->loader()->activeDocumentLoader()->isLoading());

[abarth-chromium, 2013/08/21 17:07:31]

If you want to do things this way, the best check is probably:

RELEASE_ASSERT(frame->document()->loadEventFinished());

That will become true once we're done firing the load event for the given
document.

+
     SVGSVGElement* rootElement = toSVGDocument(frame->document())->rootElement();
     if (!rootElement)
         return true;