diff -r 000000000000 -r 6474c204b198 dom/base/PerformanceEntry.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dom/base/PerformanceEntry.cpp	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,37 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "PerformanceEntry.h"
+#include "nsIURI.h"
+#include "mozilla/dom/PerformanceEntryBinding.h"
+
+using namespace mozilla::dom;
+
+NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE_1(PerformanceEntry, mPerformance)
+
+NS_IMPL_CYCLE_COLLECTING_ADDREF(PerformanceEntry)
+NS_IMPL_CYCLE_COLLECTING_RELEASE(PerformanceEntry)
+
+NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(PerformanceEntry)
+  NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
+  NS_INTERFACE_MAP_ENTRY(nsISupports)
+NS_INTERFACE_MAP_END
+
+PerformanceEntry::PerformanceEntry(nsPerformance* aPerformance)
+: mPerformance(aPerformance)
+{
+  MOZ_ASSERT(aPerformance, "Parent performance object should be provided");
+  SetIsDOMBinding();
+}
+
+PerformanceEntry::~PerformanceEntry()
+{
+}
+
+JSObject*
+PerformanceEntry::WrapObject(JSContext* aCx)
+{
+  return mozilla::dom::PerformanceEntryBinding::Wrap(aCx, this);
+}