Bug 818976 - Part 1: Add supplement code and new tree op to support generated code in HTML5 parser. r=hsivonen

parser/html/nsHtml5TreeBuilderCppSupplement.h

@@ -753,6 +753,16 @@ nsHtml5TreeBuilder::documentMode(nsHtml5DocumentMode m)
   treeOp->Init(m);
 }
 
+nsIContent**
+nsHtml5TreeBuilder::getDocumentFragmentForTemplate(nsIContent** aTemplate)
+{
+  nsHtml5TreeOperation* treeOp = mOpQueue.AppendElement();
+  NS_ASSERTION(treeOp, "Tree op allocation failed.");
+  nsIContent** fragHandle = AllocateContentHandle();
+  treeOp->Init(eTreeOpGetDocumentFragmentForTemplate, aTemplate, fragHandle);
+  return fragHandle;
+}
+
 // Error reporting
 
 void