Bug 552938 - Implement the SVG load event in text/html, make the SVG load event in XML async and only supported on <svg>. r=dholbert, sr=roc.

parser/html/nsHtml5TreeOperation.cpp

@@ -61,6 +61,10 @@
 #include "nsIFormProcessor.h"
 #include "nsIServiceManager.h"
 
+#ifdef MOZ_SVG
+#include "nsHtml5SVGLoadDispatcher.h"
+#endif
+
 static NS_DEFINE_CID(kFormProcessorCID, NS_FORMPROCESSOR_CID);
 
 /**
@@ -660,6 +664,16 @@ nsHtml5TreeOperation::Perform(nsHtml5TreeOpExecutor* aBuilder,
       sele->FreezeUriAsyncDefer();
       return rv;
     }
+#ifdef MOZ_SVG
+    case eTreeOpSvgLoad: {
+      nsIContent* node = *(mOne.node);
+      nsCOMPtr<nsIRunnable> event = new nsHtml5SVGLoadDispatcher(node);
+      if (NS_FAILED(NS_DispatchToMainThread(event))) {
+        NS_WARNING("failed to dispatch svg load dispatcher");
+      }
+      return rv;
+    }
+#endif
     default: {
       NS_NOTREACHED("Bogus tree op");
     }