| Index: third_party/WebKit/Source/modules/webmidi/MIDIController.h
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| diff --git a/third_party/WebKit/Source/modules/webmidi/MIDIController.h b/third_party/WebKit/Source/modules/webmidi/MIDIController.h
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| index 14ba3a072e7dcecac39687f726bbf8e5f9ae78be..d1980c07d61d0c5625cb68ae9422b2362f681eff 100644
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| --- a/third_party/WebKit/Source/modules/webmidi/MIDIController.h
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| +++ b/third_party/WebKit/Source/modules/webmidi/MIDIController.h
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| @@ -40,20 +40,19 @@ class MIDIAccessInitializer;
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|  class MIDIClient;
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|  class MIDIOptions;
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|  
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| -class MIDIController final : public NoBaseWillBeGarbageCollectedFinalized<MIDIController>, public WillBeHeapSupplement<LocalFrame> {
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| -    WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(MIDIController);
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| -    USING_FAST_MALLOC_WILL_BE_REMOVED(MIDIController);
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| +class MIDIController final : public GarbageCollectedFinalized<MIDIController>, public HeapSupplement<LocalFrame> {
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| +    USING_GARBAGE_COLLECTED_MIXIN(MIDIController);
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|  public:
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|      virtual ~MIDIController();
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|  
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|      void requestPermission(MIDIAccessInitializer*, const MIDIOptions&);
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|      void cancelPermissionRequest(MIDIAccessInitializer*);
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|  
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| -    static PassOwnPtrWillBeRawPtr<MIDIController> create(PassOwnPtr<MIDIClient>);
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| +    static RawPtr<MIDIController> create(PassOwnPtr<MIDIClient>);
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|      static const char* supplementName();
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| -    static MIDIController* from(LocalFrame* frame) { return static_cast<MIDIController*>(WillBeHeapSupplement<LocalFrame>::from(frame, supplementName())); }
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| +    static MIDIController* from(LocalFrame* frame) { return static_cast<MIDIController*>(HeapSupplement<LocalFrame>::from(frame, supplementName())); }
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|  
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| -    DEFINE_INLINE_VIRTUAL_TRACE() { WillBeHeapSupplement<LocalFrame>::trace(visitor); }
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| +    DEFINE_INLINE_VIRTUAL_TRACE() { HeapSupplement<LocalFrame>::trace(visitor); }
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|  
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|  protected:
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|      explicit MIDIController(PassOwnPtr<MIDIClient>);
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| 
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