update for bent's gczealectomy

dom/src/threads/test/test_longThread.html

@@ -22,7 +22,7 @@ Tests of DOM Worker Threads (Bug 437152)
 
   var prefs = Components.classes["@mozilla.org/preferences-service;1"].
               getService(Components.interfaces.nsIPrefBranch);
-  prefs.setIntPref("javascript.options.gczeal", 2);
+  //prefs.setIntPref("javascript.options.gczeal", 2);
 
   var workerScript =
     "function messageListener(message, source) { " +

dom/src/threads/test/test_simpleThread.html

@@ -22,7 +22,7 @@ Tests of DOM Worker Threads (Bug 437152)
 
   var prefs = Components.classes["@mozilla.org/preferences-service;1"].
               getService(Components.interfaces.nsIPrefBranch);
-  prefs.setIntPref("javascript.options.gczeal", 2);
+  //prefs.setIntPref("javascript.options.gczeal", 2);
 
   var workerScript =
     "function messageListener(message, source) { " +

dom/src/threads/test/test_threadErrors.html

@@ -22,7 +22,7 @@ Tests of DOM Worker Threads (Bug 437152)
 
   var prefs = Components.classes["@mozilla.org/preferences-service;1"].
               getService(Components.interfaces.nsIPrefBranch);
-  prefs.setIntPref("javascript.options.gczeal", 2);
+  //prefs.setIntPref("javascript.options.gczeal", 2);
 
   var badWorkerScripts = [
     // Syntax error

dom/src/threads/test/test_threadTimeouts.html

@@ -22,7 +22,7 @@ Tests of DOM Worker Threads (Bug 437152)
 
   var prefs = Components.classes["@mozilla.org/preferences-service;1"].
               getService(Components.interfaces.nsIPrefBranch);
-  prefs.setIntPref("javascript.options.gczeal", 2);
+  //prefs.setIntPref("javascript.options.gczeal", 2);
 
   var workerScript =
     "var gTimeoutId; " +