Remove ImageData::dispose()

third_party/WebKit/Source/core/html/ImageData.h

 /*
  * Copyright (C) 2008, 2009 Apple 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
@@ skipping 48 matching lines @@
 
     // ImageBitmapSource implementation
     IntSize bitmapSourceSize() const override { return m_size; }
     ScriptPromise createImageBitmap(ScriptState*, EventTarget&, int sx, int sy, int sw, int sh, const ImageBitmapOptions&, ExceptionState&) override;
 
     DEFINE_INLINE_TRACE()
     {
         visitor->trace(m_data);
     }
 
-    void dispose();
-
     v8::Local<v8::Object> associateWithWrapper(v8::Isolate*, const WrapperTypeInfo*, v8::Local<v8::Object> wrapper) override WARN_UNUSED_RETURN;
 
 private:
     ImageData(const IntSize&, DOMUint8ClampedArray*);
 
     static bool validateConstructorArguments(DOMUint8ClampedArray*, unsigned width, unsigned&, ExceptionState&);
 
     IntSize m_size;
     Member<DOMUint8ClampedArray> m_data;
 };
 
 } // namespace blink
 
 #endif // ImageData_h