Revert removal of AudioBufferCallback

third_party/WebKit/Source/modules/webaudio/BaseAudioContext.h

 /*
  * Copyright (C) 2010, Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1.  Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 33 matching lines @@
 #include "platform/wtf/HashSet.h"
 #include "platform/wtf/RefPtr.h"
 #include "platform/wtf/Threading.h"
 #include "platform/wtf/Vector.h"
 #include "platform/wtf/build_config.h"
 
 namespace blink {
 
 class AnalyserNode;
 class AudioBuffer;
+class AudioBufferCallback;
 class AudioBufferSourceNode;
 class AudioContextOptions;
 class AudioListener;
 class BaseAudioContextTest;
 class BiquadFilterNode;
 class ChannelMergerNode;
 class ChannelSplitterNode;
 class ConstantSourceNode;
 class ConvolverNode;
 class DelayNode;
-class DecodeErrorCallback;
-class DecodeSuccessCallback;
 class Document;
 class DynamicsCompressorNode;
 class ExceptionState;
 class GainNode;
 class HTMLMediaElement;
 class IIRFilterNode;
 class MediaElementAudioSourceNode;
 class MediaStream;
 class MediaStreamAudioDestinationNode;
 class MediaStreamAudioSourceNode;
@@ skipping 87 matching lines @@
   void ThrowExceptionForClosedState(ExceptionState&);
 
   AudioBuffer* createBuffer(unsigned number_of_channels,
                             size_t number_of_frames,
                             float sample_rate,
                             ExceptionState&);
 
   // Asynchronous audio file data decoding.
   ScriptPromise decodeAudioData(ScriptState*,
                                 DOMArrayBuffer* audio_data,
-                                DecodeSuccessCallback*,
-                                DecodeErrorCallback*,
-                                ExceptionState&);
-
-  ScriptPromise decodeAudioData(ScriptState*,
-                                DOMArrayBuffer* audio_data,
-                                ExceptionState&);
-
-  ScriptPromise decodeAudioData(ScriptState*,
-                                DOMArrayBuffer* audio_data,
-                                DecodeSuccessCallback*,
+                                AudioBufferCallback* success_callback,
+                                AudioBufferCallback* error_callback,
                                 ExceptionState&);
 
   // Handles the promise and callbacks when |decodeAudioData| is finished
   // decoding.
   void HandleDecodeAudioData(AudioBuffer*,
                              ScriptPromiseResolver*,
-                             DecodeSuccessCallback*,
-                             DecodeErrorCallback*);
+                             AudioBufferCallback* success_callback,
+                             AudioBufferCallback* error_callback);
 
   AudioListener* listener() { return listener_; }
 
   virtual bool HasRealtimeConstraint() = 0;
 
   // The AudioNode create methods are called on the main thread (from
   // JavaScript).
   AudioBufferSourceNode* createBufferSource(ExceptionState&);
   ConstantSourceNode* createConstantSource(ExceptionState&);
   MediaElementAudioSourceNode* createMediaElementSource(HTMLMediaElement*,
@@ skipping 288 matching lines @@
   // It is somewhat arbitrary and could be increased if necessary.
   enum { kMaxNumberOfChannels = 32 };
 
   Optional<AutoplayStatus> autoplay_status_;
   AudioIOPosition output_position_;
 };
 
 }  // namespace blink
 
 #endif  // BaseAudioContext_h