traceObject(). only used when leak detector built.

xpfe/browser/resources/content/navigator.js

@@ -1538,19 +1538,31 @@ function dumpExpr( expr ) {
 
 var leakDetector = null;
 
+function getLeakDetector()
+{
+    leakDetector = createInstance("component://netscape/xpcom/leakdetector", "nsILeakDetector");
+    if (leakDetector == null) {
+        dump("Could not create leak detector, leak detection probably\n");
+        dump("not compiled into this browser\n");
+    }
+}
+
 // Dumps current set of memory leaks.
 function dumpMemoryLeaks() {
-    if (leakDetector == null) {
+    if (leakDetector == null)
-        leakDetector = createInstance("component://netscape/xpcom/leakdetector", "nsILeakDetector");
+        getLeakDetector();
-        if (leakDetector == null) {
-            dump("Could not create leak detector, leak detection probably\n");
-            dump("not compiled into this browser\n");
-        }
-    }
 	if (leakDetector != null)
 		leakDetector.dumpLeaks();
 }
 
+function traceObject(object)
+{
+    if (leakDetector == null)
+        getLeakDetector();
+	if (leakDetector != null)
+		leakDetector.traceObject(object);
+}
+
 var consoleListener = {
   observe: function (aMsgObject) 
     {

xpfe/browser/resources/content/navigatorOverlay.xul

@@ -525,6 +525,7 @@ oncommand="goPreferences('pref-themes.xul','chrome://communicator/content/pref/p
       <menuitem value="&BloatDumpAllCmd.label;" oncommand="window._content.location.href='about:bloat'"/>
       <menuitem value="&BloatClearCmd.label;"   oncommand="window._content.location.href='about:bloat?clear'"/>
       <menuitem value="&BloatLeaksCmd.label;"   oncommand="dumpMemoryLeaks();"/>
+      <menuitem value="&BloatTraceCmd.label;"   oncommand="traceObject(document);"/>
     </menupopup>
   </menu>
 </menubar>

xpfe/browser/resources/locale/en-US/navigator.dtd

@@ -301,6 +301,7 @@
 <!ENTITY BloatDumpAllCmd.label "Bloat: Dump All Stats">
 <!ENTITY BloatClearCmd.label "Bloat: Clear Stats">
 <!ENTITY BloatLeaksCmd.label "Bloat: Dump Memory Leaks">
+<!ENTITY BloatTraceCmd.label "Bloat: Trace Document">
 <!ENTITY URIDispatchingCmd.label "URI Dispatching">
 <!ENTITY URIDispatchingEnableCmd.label "Enable Dispatching">
 <!ENTITY URIDispatchingDisableCmd.label "Disable Dispatching">