Enable SVGImage to dispatch events in the destructor.

Source/core/loader/FrameLoader.cpp

Index: Source/core/loader/FrameLoader.cpp
diff --git a/Source/core/loader/FrameLoader.cpp b/Source/core/loader/FrameLoader.cpp
index 1a1217ff1a3221469ceb47a9d2049305f8c9b1e0..ae68e6ece690a9c599394290cedd296adef86107 100644
--- a/Source/core/loader/FrameLoader.cpp
+++ b/Source/core/loader/FrameLoader.cpp
@@ -80,6 +80,7 @@
 #include "core/page/Page.h"
 #include "core/page/WindowFeatures.h"
 #include "core/page/scrolling/ScrollingCoordinator.h"
+#include "core/svg/graphics/SVGImage.h"
 #include "core/xml/parser/XMLDocumentParser.h"
 #include "platform/Logging.h"
 #include "platform/UserGestureIndicator.h"
@@ -217,7 +218,7 @@ void FrameLoader::dispatchUnloadEvent()
 {
     saveScrollState();
 
-    if (m_frame->document())
+    if (m_frame->document() && !SVGImage::isInSVGImage(m_frame->document()))
         m_frame->document()->dispatchUnloadEvents();
 
     if (Page* page = m_frame->page())