HeapSupplements are now just Supplements.

third_party/WebKit/Source/modules/audio_output_devices/AudioOutputDeviceClient.h

 // 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.
 
 #ifndef AudioOutputDeviceClient_h
 #define AudioOutputDeviceClient_h
 
 #include "modules/ModulesExport.h"
 #include "platform/Supplementable.h"
 #include "public/platform/WebSetSinkIdCallbacks.h"
 #include "wtf/PassOwnPtr.h"
 
 namespace blink {
 
 class ExecutionContext;
 class LocalFrame;
 class WebString;
 class ScriptState;
 
-class AudioOutputDeviceClient : public HeapSupplement<LocalFrame> {
+class AudioOutputDeviceClient : public Supplement<LocalFrame> {
 public:
     virtual ~AudioOutputDeviceClient() {}
 
     // Checks that a given sink exists and has permissions to be used from the origin of the current frame.
     virtual void checkIfAudioSinkExistsAndIsAuthorized(ExecutionContext*, const WebString& sinkId, PassOwnPtr<WebSetSinkIdCallbacks>) = 0;
 
-    // HeapSupplement requirements.
+    // Supplement requirements.
     static AudioOutputDeviceClient* from(ExecutionContext*);
     static const char* supplementName();
 };
 
 MODULES_EXPORT void provideAudioOutputDeviceClientTo(LocalFrame&, RawPtr<AudioOutputDeviceClient>);
 
 } // namespace blink
 
 #endif // AudioOutputDeviceClient_h