From 7ee146283bce5ab3d0e71afa09b3eefbad6861eb Mon Sep 17 00:00:00 2001
From: Kyle Huey <khuey@kylehuey.com>
Date: Tue, 1 Apr 2014 11:33:28 +0800
Subject: [PATCH] Bug 989224: Note orphaned FragmentOrElements in the CC log.
 r=bz

---
 content/base/src/FragmentOrElement.cpp | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/content/base/src/FragmentOrElement.cpp b/content/base/src/FragmentOrElement.cpp
index 67d1feee36b4..873a6bf2c82a 100644
--- a/content/base/src/FragmentOrElement.cpp
+++ b/content/base/src/FragmentOrElement.cpp
@@ -1766,12 +1766,21 @@ NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INTERNAL(FragmentOrElement)
       classes.AppendLiteral("'");
     }
 
+    nsAutoCString orphan;
+    if (!tmp->IsInDoc() &&
+        // Ignore xbl:content, which is never in the document and hence always
+        // appears to be orphaned.
+        !tmp->NodeInfo()->Equals(nsGkAtoms::content, kNameSpaceID_XBL)) {
+      orphan.AppendLiteral(" (orphan)");
+    }
+
     const char* nsuri = nsid < ArrayLength(kNSURIs) ? kNSURIs[nsid] : "";
-    PR_snprintf(name, sizeof(name), "FragmentOrElement%s %s%s%s %s",
+    PR_snprintf(name, sizeof(name), "FragmentOrElement%s %s%s%s%s %s",
                 nsuri,
                 localName.get(),
                 NS_ConvertUTF16toUTF8(id).get(),
                 NS_ConvertUTF16toUTF8(classes).get(),
+                orphan.get(),
                 uri.get());
     cb.DescribeRefCountedNode(tmp->mRefCnt.get(), name);
   }