Fix ImageData constructor infelicity.

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 28 matching lines @@
 namespace blink {
 
 class ExceptionState;
 
 class ImageData final : public RefCountedWillBeGarbageCollectedFinalized<ImageData>, public ScriptWrappable {
     DEFINE_WRAPPERTYPEINFO();
 public:
     static PassRefPtrWillBeRawPtr<ImageData> create(const IntSize&);
     static PassRefPtrWillBeRawPtr<ImageData> create(const IntSize&, PassRefPtr<DOMUint8ClampedArray>);
     static PassRefPtrWillBeRawPtr<ImageData> create(unsigned width, unsigned height, ExceptionState&);
+    static PassRefPtrWillBeRawPtr<ImageData> create(DOMUint8ClampedArray*, unsigned width, ExceptionState&);
     static PassRefPtrWillBeRawPtr<ImageData> create(DOMUint8ClampedArray*, unsigned width, unsigned height, ExceptionState&);
 
     IntSize size() const { return m_size; }
     int width() const { return m_size.width(); }
     int height() const { return m_size.height(); }
     const DOMUint8ClampedArray* data() const { return m_data.get(); }
     DOMUint8ClampedArray* data() { return m_data.get(); }
 
     void trace(Visitor*) { }
 
     virtual v8::Handle<v8::Object> associateWithWrapper(v8::Isolate*, const WrapperTypeInfo*, v8::Handle<v8::Object> wrapper) override;
 
 private:
     explicit ImageData(const IntSize&);
     ImageData(const IntSize&, PassRefPtr<DOMUint8ClampedArray>);
 
+    static bool validateConstructorArguments(DOMUint8ClampedArray*, unsigned width, unsigned&, ExceptionState&);
+
     IntSize m_size;
     RefPtr<DOMUint8ClampedArray> m_data;
 };
 
 } // namespace blink
 
 #endif // ImageData_h