HeapSupplements are now just Supplements.

third_party/WebKit/Source/core/timing/DOMWindowPerformance.cpp

Index: third_party/WebKit/Source/core/timing/DOMWindowPerformance.cpp
diff --git a/third_party/WebKit/Source/core/timing/DOMWindowPerformance.cpp b/third_party/WebKit/Source/core/timing/DOMWindowPerformance.cpp
index e4b451ebdf35ff36f094d67c7dc64a8802156561..2548d09c9281ddbb9499e533300f4684ebd0af41 100644
--- a/third_party/WebKit/Source/core/timing/DOMWindowPerformance.cpp
+++ b/third_party/WebKit/Source/core/timing/DOMWindowPerformance.cpp
@@ -20,7 +20,7 @@ DEFINE_TRACE(DOMWindowPerformance)
 {
     visitor->trace(m_window);
     visitor->trace(m_performance);
-    HeapSupplement<LocalDOMWindow>::trace(visitor);
+    Supplement<LocalDOMWindow>::trace(visitor);
     DOMWindowProperty::trace(visitor);
 }
 
@@ -33,7 +33,7 @@ const char* DOMWindowPerformance::supplementName()
 // static
 DOMWindowPerformance& DOMWindowPerformance::from(LocalDOMWindow& window)
 {
-    DOMWindowPerformance* supplement = static_cast<DOMWindowPerformance*>(HeapSupplement<LocalDOMWindow>::from(window, supplementName()));
+    DOMWindowPerformance* supplement = static_cast<DOMWindowPerformance*>(Supplement<LocalDOMWindow>::from(window, supplementName()));
     if (!supplement) {
         supplement = new DOMWindowPerformance(window);
         provideTo(window, supplementName(), supplement);