Make <iframe> containing SVG behave as every other <iframe>

Source/core/rendering/svg/RenderSVGRoot.cpp

Index: Source/core/rendering/svg/RenderSVGRoot.cpp
diff --git a/Source/core/rendering/svg/RenderSVGRoot.cpp b/Source/core/rendering/svg/RenderSVGRoot.cpp
index 2bcce39c3b7ddd03243592c782635ff19d1ce801..f9a5801c5ea7cbfe3389dfb4787e582dc6da1dbc 100644
--- a/Source/core/rendering/svg/RenderSVGRoot.cpp
+++ b/Source/core/rendering/svg/RenderSVGRoot.cpp
@@ -106,8 +106,8 @@ bool RenderSVGRoot::isEmbeddedThroughFrameContainingSVGDocument() const
         return false;
 
     // If our frame has an owner renderer, we're embedded through eg. object/embed/iframe,
-    // but we only negotiate if we're in an SVG document.
-    if (!frame->ownerRenderer())
+    // but we only negotiate if we're in an SVG document inside a embedded object (object/embed).
+    if (!frame->ownerRenderer() || !frame->ownerRenderer()->isEmbeddedObject())
         return false;
     return frame->document()->isSVGDocument();
 }