Revert "Transition modules/** to use ExceptionState"

Source/modules/webaudio/AudioContext.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 28 matching lines @@
 #include "wtf/PassRefPtr.h"
 #include "wtf/RefCounted.h"
 #include "wtf/RefPtr.h"
 #include "wtf/ThreadSafeRefCounted.h"
 #include "wtf/Threading.h"
 #include "wtf/Vector.h"
 #include "wtf/text/AtomicStringHash.h"
 
 namespace WebCore {
 
-class AnalyserNode;
 class AudioBuffer;
 class AudioBufferCallback;
 class AudioBufferSourceNode;
+class MediaElementAudioSourceNode;
+class MediaStreamAudioDestinationNode;
+class MediaStreamAudioSourceNode;
+class HTMLMediaElement;
+class ChannelMergerNode;
+class ChannelSplitterNode;
+class GainNode;
+class PannerNode;
 class AudioListener;
 class AudioSummingJunction;
 class BiquadFilterNode;
-class ChannelMergerNode;
-class ChannelSplitterNode;
-class ConvolverNode;
 class DelayNode;
 class Document;
+class ConvolverNode;
 class DynamicsCompressorNode;
-class ExceptionState;
-class GainNode;
-class HTMLMediaElement;
-class MediaElementAudioSourceNode;
-class MediaStreamAudioDestinationNode;
-class MediaStreamAudioSourceNode;
+class AnalyserNode;
+class WaveShaperNode;
+class ScriptProcessorNode;
 class OscillatorNode;
-class PannerNode;
 class PeriodicWave;
-class ScriptProcessorNode;
-class WaveShaperNode;
 
 // AudioContext is the cornerstone of the web audio API and all AudioNodes are created from it.
 // For thread safety between the audio thread and the main thread, it has a rendering graph locking mechanism.
 
 class AudioContext : public ActiveDOMObject, public ScriptWrappable, public ThreadSafeRefCounted<AudioContext>, public EventTarget {
 public:
     // Create an AudioContext for rendering to the audio hardware.
     static PassRefPtr<AudioContext> create(Document*);
 
     // Create an AudioContext for offline (non-realtime) rendering.
-    static PassRefPtr<AudioContext> createOfflineContext(Document*, unsigned numberOfChannels, size_t numberOfFrames, float sampleRate, ExceptionState&);
+    static PassRefPtr<AudioContext> createOfflineContext(Document*, unsigned numberOfChannels, size_t numberOfFrames, float sampleRate, ExceptionCode&);
 
     virtual ~AudioContext();
 
     bool isInitialized() const;
 
     bool isOfflineContext() { return m_isOfflineContext; }
 
     // Returns true when initialize() was called AND all asynchronous initialization has completed.
     bool isRunnable() const;
 
     HRTFDatabaseLoader* hrtfDatabaseLoader() const { return m_hrtfDatabaseLoader.get(); }
 
     // Document notification
     virtual void stop();
 
     Document* document() const; // ASSERTs if document no longer exists.
     bool hasDocument();
 
     AudioDestinationNode* destination() { return m_destinationNode.get(); }
     size_t currentSampleFrame() const { return m_destinationNode->currentSampleFrame(); }
     double currentTime() const { return m_destinationNode->currentTime(); }
     float sampleRate() const { return m_destinationNode->sampleRate(); }
     unsigned long activeSourceCount() const { return static_cast<unsigned long>(m_activeSourceCount); }
 
     void incrementActiveSourceCount();
     void decrementActiveSourceCount();
 
-    PassRefPtr<AudioBuffer> createBuffer(unsigned numberOfChannels, size_t numberOfFrames, float sampleRate, ExceptionState&);
-    PassRefPtr<AudioBuffer> createBuffer(ArrayBuffer*, bool mixToMono, ExceptionState&);
+    PassRefPtr<AudioBuffer> createBuffer(unsigned numberOfChannels, size_t numberOfFrames, float sampleRate, ExceptionCode&);
+    PassRefPtr<AudioBuffer> createBuffer(ArrayBuffer*, bool mixToMono, ExceptionCode&);
 
     // Asynchronous audio file data decoding.
-    void decodeAudioData(ArrayBuffer*, PassRefPtr<AudioBufferCallback>, PassRefPtr<AudioBufferCallback>, ExceptionState&);
+    void decodeAudioData(ArrayBuffer*, PassRefPtr<AudioBufferCallback>, PassRefPtr<AudioBufferCallback>, ExceptionCode&);
 
     AudioListener* listener() { return m_listener.get(); }
 
     // The AudioNode create methods are called on the main thread (from JavaScript).
     PassRefPtr<AudioBufferSourceNode> createBufferSource();
-    PassRefPtr<MediaElementAudioSourceNode> createMediaElementSource(HTMLMediaElement*, ExceptionState&);
-    PassRefPtr<MediaStreamAudioSourceNode> createMediaStreamSource(MediaStream*, ExceptionState&);
+    PassRefPtr<MediaElementAudioSourceNode> createMediaElementSource(HTMLMediaElement*, ExceptionCode&);
+    PassRefPtr<MediaStreamAudioSourceNode> createMediaStreamSource(MediaStream*, ExceptionCode&);
     PassRefPtr<MediaStreamAudioDestinationNode> createMediaStreamDestination();
     PassRefPtr<GainNode> createGain();
     PassRefPtr<BiquadFilterNode> createBiquadFilter();
     PassRefPtr<WaveShaperNode> createWaveShaper();
-    PassRefPtr<DelayNode> createDelay(ExceptionState&);
-    PassRefPtr<DelayNode> createDelay(double maxDelayTime, ExceptionState&);
+    PassRefPtr<DelayNode> createDelay(ExceptionCode&);
+    PassRefPtr<DelayNode> createDelay(double maxDelayTime, ExceptionCode&);
     PassRefPtr<PannerNode> createPanner();
     PassRefPtr<ConvolverNode> createConvolver();
     PassRefPtr<DynamicsCompressorNode> createDynamicsCompressor();    
     PassRefPtr<AnalyserNode> createAnalyser();
-    PassRefPtr<ScriptProcessorNode> createScriptProcessor(size_t bufferSize, ExceptionState&);
-    PassRefPtr<ScriptProcessorNode> createScriptProcessor(size_t bufferSize, size_t numberOfInputChannels, ExceptionState&);
-    PassRefPtr<ScriptProcessorNode> createScriptProcessor(size_t bufferSize, size_t numberOfInputChannels, size_t numberOfOutputChannels, ExceptionState&);
-    PassRefPtr<ChannelSplitterNode> createChannelSplitter(ExceptionState&);
-    PassRefPtr<ChannelSplitterNode> createChannelSplitter(size_t numberOfOutputs, ExceptionState&);
-    PassRefPtr<ChannelMergerNode> createChannelMerger(ExceptionState&);
-    PassRefPtr<ChannelMergerNode> createChannelMerger(size_t numberOfInputs, ExceptionState&);
+    PassRefPtr<ScriptProcessorNode> createScriptProcessor(size_t bufferSize, ExceptionCode&);
+    PassRefPtr<ScriptProcessorNode> createScriptProcessor(size_t bufferSize, size_t numberOfInputChannels, ExceptionCode&);
+    PassRefPtr<ScriptProcessorNode> createScriptProcessor(size_t bufferSize, size_t numberOfInputChannels, size_t numberOfOutputChannels, ExceptionCode&);
+    PassRefPtr<ChannelSplitterNode> createChannelSplitter(ExceptionCode&);
+    PassRefPtr<ChannelSplitterNode> createChannelSplitter(size_t numberOfOutputs, ExceptionCode&);
+    PassRefPtr<ChannelMergerNode> createChannelMerger(ExceptionCode&);
+    PassRefPtr<ChannelMergerNode> createChannelMerger(size_t numberOfInputs, ExceptionCode&);
     PassRefPtr<OscillatorNode> createOscillator();
-    PassRefPtr<PeriodicWave> createPeriodicWave(Float32Array* real, Float32Array* imag, ExceptionState&);
+    PassRefPtr<PeriodicWave> createPeriodicWave(Float32Array* real, Float32Array* imag, ExceptionCode&);
 
     // When a source node has no more processing to do (has finished playing), then it tells the context to dereference it.
     void notifyNodeFinishedProcessing(AudioNode*);
 
     // Called at the start of each render quantum.
     void handlePreRenderTasks();
 
     // Called at the end of each render quantum.
     void handlePostRenderTasks();
 
@@ skipping 194 matching lines @@
     // It is somewhat arbitrary and could be increased if necessary.
     enum { MaxNumberOfChannels = 32 };
 
     // Number of AudioBufferSourceNodes that are active (playing).
     int m_activeSourceCount;
 };
 
 } // WebCore
 
 #endif // AudioContext_h