HeapSupplements are now just Supplements.

third_party/WebKit/Source/modules/vr/VRController.cpp

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "modules/vr/VRController.h"
 
 #include "core/frame/LocalFrame.h"
 #include "platform/RuntimeEnabledFeatures.h"
 
 namespace blink {
 
 VRController::~VRController()
 {
 }
 
 void VRController::provideTo(LocalFrame& frame, WebVRClient* client)
 {
     ASSERT(RuntimeEnabledFeatures::webVREnabled());
 
     VRController* controller = new VRController(frame, client);
-    HeapSupplement<LocalFrame>::provideTo(frame, supplementName(), controller);
+    Supplement<LocalFrame>::provideTo(frame, supplementName(), controller);
 }
 
 VRController* VRController::from(LocalFrame& frame)
 {
-    return static_cast<VRController*>(HeapSupplement<LocalFrame>::from(frame, supplementName()));
+    return static_cast<VRController*>(Supplement<LocalFrame>::from(frame, supplementName()));
 }
 
 VRController::VRController(LocalFrame& frame, WebVRClient* client)
     : LocalFrameLifecycleObserver(&frame)
     , m_client(client)
 {
 }
 
 const char* VRController::supplementName()
 {
@@ skipping 29 matching lines @@
     m_client->resetSensor(index);
 }
 
 void VRController::willDetachFrameHost()
 {
     m_client = nullptr;
 }
 
 DEFINE_TRACE(VRController)
 {
-    HeapSupplement<LocalFrame>::trace(visitor);
+    Supplement<LocalFrame>::trace(visitor);
     LocalFrameLifecycleObserver::trace(visitor);
 }
 
 } // namespace blink