Enable SVGImage to dispatch events in the destructor.

Source/core/loader/FrameLoader.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2008 Alp Toker <alp@atoker.com>
  * Copyright (C) Research In Motion Limited 2009. All rights reserved.
  * Copyright (C) 2011 Kris Jordan <krisjordan@gmail.com>
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ skipping 62 matching lines @@
 #include "core/loader/UniqueIdentifier.h"
 #include "core/loader/appcache/ApplicationCacheHost.h"
 #include "core/page/Chrome.h"
 #include "core/page/ChromeClient.h"
 #include "core/page/CreateWindow.h"
 #include "core/page/EventHandler.h"
 #include "core/page/FrameTree.h"
 #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"
 #include "platform/geometry/FloatRect.h"
 #include "platform/network/HTTPParsers.h"
 #include "platform/network/ResourceRequest.h"
 #include "platform/scroll/ScrollAnimator.h"
 #include "platform/weborigin/SecurityOrigin.h"
 #include "platform/weborigin/SecurityPolicy.h"
 #include "public/platform/WebURLRequest.h"
@@ skipping 117 matching lines @@
     if (!m_currentItem)
         return;
     m_currentItem->clearScrollPoint();
     m_currentItem->setPageScaleFactor(0);
 }
 
 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())
         page->undoStack().didUnloadFrame(*m_frame);
 }
 
 void FrameLoader::didExplicitOpen()
 {
     // Calling document.open counts as committing the first real document load.
     if (!m_stateMachine.committedFirstRealDocumentLoad()) {
@@ skipping 1161 matching lines @@
 
     // FIXME: We need a way to propagate strict mixed content checking flags to
     // out-of-process frames. For now, we'll always enforce.
     if (!parentFrame->isLocalFrame())
         return true;
 
     return toLocalFrame(parentFrame)->document()->shouldEnforceStrictMixedContentChecking();
 }
 
 } // namespace blink