Bug 586362 - xpcshell: gczeal() doesn't work in the content process. r=bent a=bsmedberg

ipc/testshell/XPCShellEnvironment.cpp

@@ -427,6 +427,23 @@ GC(JSContext *cx,
     return JS_TRUE;
 }
 
+#ifdef JS_GC_ZEAL
+static JSBool
+GCZeal(JSContext *cx,
+       JSObject *obj,
+       uintN argc,
+       jsval *argv,
+       jsval *rval)
+{
+  uint32 zeal;
+  if (!JS_ValueToECMAUint32(cx, argv[0], &zeal))
+    return JS_FALSE;
+
+  JS_SetGCZeal(cx, (PRUint8)zeal);
+  return JS_TRUE;
+}
+#endif
+
 #ifdef DEBUG
 
 static JSBool
@@ -541,6 +558,9 @@ JSFunctionSpec gGlobalFunctions[] =
     {"dumpXPC",         DumpXPC,        1,0},
     {"dump",            Dump,           1,0},
     {"gc",              GC,             0,0},
+#ifdef JS_GC_ZEAL
+    {"gczeal",          GCZeal,         1,0},
+#endif
     {"clear",           Clear,          1,0},
 #ifdef DEBUG
     {"dumpHeap",        DumpHeap,       5,0},