AudioWorklet prototype

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

 // Copyright 2017 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 AudioWorkletProcessorDefinition_h
 #define AudioWorkletProcessorDefinition_h
 
+#include "bindings/core/v8/Dictionary.h"
 #include "modules/ModulesExport.h"
+#include "modules/webaudio/AudioParamDescriptor.h"
 #include "platform/bindings/ScopedPersistent.h"
 #include "platform/heap/Handle.h"
 #include "platform/wtf/text/WTFString.h"
 #include "v8/include/v8.h"
 
 namespace blink {
 
 // Represents a JavaScript class definition registered in the
 // AudioWorkletGlobalScope. After the registration, a definition class contains
 // the V8 representation of class components (constructor, process callback,
 // prototypes and parameter descriptors).
 //
 // This is constructed and destroyed on a worker thread, and all methods also
 // must be called on the worker thread.
 class MODULES_EXPORT AudioWorkletProcessorDefinition final
     : public GarbageCollectedFinalized<AudioWorkletProcessorDefinition> {
  public:
   static AudioWorkletProcessorDefinition* Create(
       v8::Isolate*,
       const String& name,
       v8::Local<v8::Function> constructor,
       v8::Local<v8::Function> process);
 
   virtual ~AudioWorkletProcessorDefinition();
 
   const String& GetName() const { return name_; }
+
   v8::Local<v8::Function> ConstructorLocal(v8::Isolate*);
   v8::Local<v8::Function> ProcessLocal(v8::Isolate*);
 
-  DEFINE_INLINE_TRACE(){};
+  DECLARE_TRACE();
 
  private:
-  AudioWorkletProcessorDefinition(v8::Isolate*,
-                                  const String& name,
-                                  v8::Local<v8::Function> constructor,
-                                  v8::Local<v8::Function> process);
+  AudioWorkletProcessorDefinition(
+      v8::Isolate*,
+      const String& name,
+      v8::Local<v8::Function> constructor,
+      v8::Local<v8::Function> process);
 
   const String name_;
 
   // The definition is per global scope. The active instance of
   // |AudioProcessorWorklet| should be passed into these to perform JS function.
   ScopedPersistent<v8::Function> constructor_;
   ScopedPersistent<v8::Function> process_;
 
-  // TODO(hongchan): A container for AudioParamDescriptor objects.
-  // ScopedPersistent<v8::Array> m_parameterDescriptors;
+  // A container for AudioParamDescriptor objects.
+  HeapVector<AudioParamDescriptor> audio_param_descriptors_;
 };
 
 }  // namespace blink
 
 #endif  // AudioWorkletProcessorDefinition_h