HeapSupplements are now just Supplements.

third_party/WebKit/Source/core/dom/Fullscreen.cpp

Index: third_party/WebKit/Source/core/dom/Fullscreen.cpp
diff --git a/third_party/WebKit/Source/core/dom/Fullscreen.cpp b/third_party/WebKit/Source/core/dom/Fullscreen.cpp
index 5408e4cc6be07e4d2a12415840f5418ad5f85912..ced95681a56b7399eb7cce903ca288c35b433681 100644
--- a/third_party/WebKit/Source/core/dom/Fullscreen.cpp
+++ b/third_party/WebKit/Source/core/dom/Fullscreen.cpp
@@ -139,7 +139,7 @@ Fullscreen& Fullscreen::from(Document& document)
     Fullscreen* fullscreen = fromIfExists(document);
     if (!fullscreen) {
         fullscreen = new Fullscreen(document);
-        HeapSupplement<Document>::provideTo(document, supplementName(), fullscreen);
+        Supplement<Document>::provideTo(document, supplementName(), fullscreen);
     }
 
     return *fullscreen;
@@ -147,7 +147,7 @@ Fullscreen& Fullscreen::from(Document& document)
 
 Fullscreen* Fullscreen::fromIfExistsSlow(Document& document)
 {
-    return static_cast<Fullscreen*>(HeapSupplement<Document>::from(document, supplementName()));
+    return static_cast<Fullscreen*>(Supplement<Document>::from(document, supplementName()));
 }
 
 Element* Fullscreen::fullscreenElementFrom(Document& document)
@@ -627,7 +627,7 @@ DEFINE_TRACE(Fullscreen)
     visitor->trace(m_fullScreenElementStack);
     visitor->trace(m_eventQueue);
 #endif
-    HeapSupplement<Document>::trace(visitor);
+    Supplement<Document>::trace(visitor);
     DocumentLifecycleObserver::trace(visitor);
 }