Eliminate one copy from ImageBitmap deserialization.

third_party/WebKit/Source/core/frame/ImageBitmap.h

 // Copyright 2013 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 ImageBitmap_h
 #define ImageBitmap_h
 
 #include "bindings/core/v8/ScriptWrappable.h"
 #include "core/CoreExport.h"
 #include "core/html/HTMLImageElement.h"
@@ skipping 30 matching lines @@
     static ImageBitmap* create(HTMLImageElement*, Optional<IntRect>, Document*, const ImageBitmapOptions& = ImageBitmapOptions());
     static ImageBitmap* create(HTMLVideoElement*, Optional<IntRect>, Document*, const ImageBitmapOptions& = ImageBitmapOptions());
     static ImageBitmap* create(HTMLCanvasElement*, Optional<IntRect>, const ImageBitmapOptions& = ImageBitmapOptions());
     static ImageBitmap* create(ImageData*, Optional<IntRect>, const ImageBitmapOptions& = ImageBitmapOptions());
     static ImageBitmap* create(ImageBitmap*, Optional<IntRect>, const ImageBitmapOptions& = ImageBitmapOptions());
     static ImageBitmap* create(PassRefPtr<StaticBitmapImage>);
     static ImageBitmap* create(PassRefPtr<StaticBitmapImage>, Optional<IntRect>, const ImageBitmapOptions& = ImageBitmapOptions());
     // This function is called by structured-cloning an ImageBitmap.
     // isImageBitmapPremultiplied indicates whether the original ImageBitmap is premultiplied or not.
     // isImageBitmapOriginClean indicates whether the original ImageBitmap is origin clean or not.
-    static ImageBitmap* create(std::unique_ptr<uint8_t[]> data, uint32_t width, uint32_t height, bool isImageBitmapPremultiplied, bool isImageBitmapOriginClean);
+    static ImageBitmap* create(const void* pixelData, uint32_t width, uint32_t height, bool isImageBitmapPremultiplied, bool isImageBitmapOriginClean);
     static sk_sp<SkImage> getSkImageFromDecoder(std::unique_ptr<ImageDecoder>);
     static bool isResizeOptionValid(const ImageBitmapOptions&, ExceptionState&);
     static bool isSourceSizeValid(int sourceWidth, int sourceHeight, ExceptionState&);
 
     // Type and helper function required by CallbackPromiseAdapter:
     using WebType = sk_sp<SkImage>;
     static ImageBitmap* take(ScriptPromiseResolver*, sk_sp<SkImage>);
 
     StaticBitmapImage* bitmapImage() const { return (m_image) ? m_image.get() : nullptr; }
     PassRefPtr<Uint8Array> copyBitmapData(AlphaDisposition = DontPremultiplyAlpha, DataColorFormat = RGBAColorType);
@@ skipping 26 matching lines @@
     DECLARE_VIRTUAL_TRACE();
 
 private:
     ImageBitmap(HTMLImageElement*, Optional<IntRect>, Document*, const ImageBitmapOptions&);
     ImageBitmap(HTMLVideoElement*, Optional<IntRect>, Document*, const ImageBitmapOptions&);
     ImageBitmap(HTMLCanvasElement*, Optional<IntRect>, const ImageBitmapOptions&);
     ImageBitmap(ImageData*, Optional<IntRect>, const ImageBitmapOptions&);
     ImageBitmap(ImageBitmap*, Optional<IntRect>, const ImageBitmapOptions&);
     ImageBitmap(PassRefPtr<StaticBitmapImage>);
     ImageBitmap(PassRefPtr<StaticBitmapImage>, Optional<IntRect>, const ImageBitmapOptions&);
-    ImageBitmap(std::unique_ptr<uint8_t[]> data, uint32_t width, uint32_t height, bool isImageBitmapPremultiplied, bool isImageBitmapOriginClean);
+    ImageBitmap(const void* pixelData, uint32_t width, uint32_t height, bool isImageBitmapPremultiplied, bool isImageBitmapOriginClean);
 
     RefPtr<StaticBitmapImage> m_image;
     bool m_isNeutered = false;
 };
 
 } // namespace blink
 
 #endif // ImageBitmap_h