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25 #ifndef AudioSourceProviderClient_h
26 #define AudioSourceProviderClient_h
28 #include "platform/heap/Handle.h"
32 class AudioSourceProviderClient : public GarbageCollectedMixin {
34 virtual void setFormat(size_t numberOfChannels, float sampleRate) = 0;
35 // Oilpan: Callers should keep this object alive during lock() and unlock().
36 virtual void lock() { }
37 virtual void unlock() { }
38 virtual void trace(Visitor*) { }
40 virtual ~AudioSourceProviderClient() { }
45 #endif // AudioSourceProviderClient_h