Revert "Remove OwnPtr from Blink."

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

 // 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.
 
 #include "core/frame/ImageBitmap.h"
 
 #include "core/html/HTMLCanvasElement.h"
 #include "core/html/HTMLVideoElement.h"
 #include "core/html/ImageData.h"
 #include "platform/graphics/skia/SkiaUtils.h"
 #include "platform/image-decoders/ImageDecoder.h"
 #include "third_party/skia/include/core/SkCanvas.h"
 #include "third_party/skia/include/core/SkSurface.h"
-#include "wtf/PtrUtil.h"
 #include "wtf/RefPtr.h"
-#include <memory>
 
 namespace blink {
 
 static const char* imageOrientationFlipY = "flipY";
 static const char* imageBitmapOptionNone = "none";
 
 // The following two functions are helpers used in cropImage
 static inline IntRect normalizeRect(const IntRect& rect)
 {
     return IntRect(std::min(rect.x(), rect.maxX()),
         std::min(rect.y(), rect.maxY()),
         std::max(rect.width(), -rect.width()),
         std::max(rect.height(), -rect.height()));
 }
 
 static bool frameIsValid(const SkBitmap& frameBitmap)
 {
     ASSERT(!frameBitmap.isNull() && !frameBitmap.empty() && frameBitmap.isImmutable());
     return frameBitmap.colorType() == kN32_SkColorType;
 }
 
-static std::unique_ptr<uint8_t[]> copySkImageData(SkImage* input, const SkImageInfo& info)
+static PassOwnPtr<uint8_t[]> copySkImageData(SkImage* input, const SkImageInfo& info)
 {
-    std::unique_ptr<uint8_t[]> dstPixels = wrapArrayUnique(new uint8_t[input->width() * input->height() * info.bytesPerPixel()]);
+    OwnPtr<uint8_t[]> dstPixels = adoptArrayPtr(new uint8_t[input->width() * input->height() * info.bytesPerPixel()]);
     input->readPixels(info, dstPixels.get(), input->width() * info.bytesPerPixel(), 0, 0);
     return dstPixels;
 }
 
-static PassRefPtr<SkImage> newSkImageFromRaster(const SkImageInfo& info, std::unique_ptr<uint8_t[]> imagePixels, int imageRowBytes)
+static PassRefPtr<SkImage> newSkImageFromRaster(const SkImageInfo& info, PassOwnPtr<uint8_t[]> imagePixels, int imageRowBytes)
 {
-    return fromSkSp(SkImage::MakeFromRaster(SkPixmap(info, imagePixels.release(), imageRowBytes),
+    return fromSkSp(SkImage::MakeFromRaster(SkPixmap(info, imagePixels.leakPtr(), imageRowBytes),
         [](const void* pixels, void*)
         {
             delete[] static_cast<const uint8_t*>(pixels);
         }, nullptr));
 }
 
 static void swizzleImageData(unsigned char* srcAddr, int height, int bytesPerRow, bool flipY)
 {
     if (flipY) {
         for (int i = 0; i < height / 2; i++) {
@@ skipping 11 matching lines @@
             std::swap(srcAddr[i], srcAddr[i + 2]);
     }
 }
 
 static PassRefPtr<SkImage> flipSkImageVertically(SkImage* input, AlphaDisposition alphaOp)
 {
     int width = input->width();
     int height = input->height();
     SkImageInfo info = SkImageInfo::MakeN32(width, height, (alphaOp == PremultiplyAlpha) ? kPremul_SkAlphaType : kUnpremul_SkAlphaType);
     int imageRowBytes = width * info.bytesPerPixel();
-    std::unique_ptr<uint8_t[]> imagePixels = copySkImageData(input, info);
+    OwnPtr<uint8_t[]> imagePixels = copySkImageData(input, info);
     for (int i = 0; i < height / 2; i++) {
         int topFirstElement = i * imageRowBytes;
         int topLastElement = (i + 1) * imageRowBytes;
         int bottomFirstElement = (height - 1 - i) * imageRowBytes;
         std::swap_ranges(imagePixels.get() + topFirstElement, imagePixels.get() + topLastElement, imagePixels.get() + bottomFirstElement);
     }
     return newSkImageFromRaster(info, std::move(imagePixels), imageRowBytes);
 }
 
 static PassRefPtr<SkImage> premulSkImageToUnPremul(SkImage* input)
 {
     SkImageInfo info = SkImageInfo::Make(input->width(), input->height(), kN32_SkColorType, kUnpremul_SkAlphaType);
-    std::unique_ptr<uint8_t[]> dstPixels = copySkImageData(input, info);
+    OwnPtr<uint8_t[]> dstPixels = copySkImageData(input, info);
     return newSkImageFromRaster(info, std::move(dstPixels), input->width() * info.bytesPerPixel());
 }
 
 static PassRefPtr<SkImage> unPremulSkImageToPremul(SkImage* input)
 {
     SkImageInfo info = SkImageInfo::Make(input->width(), input->height(), kN32_SkColorType, kPremul_SkAlphaType);
-    std::unique_ptr<uint8_t[]> dstPixels = copySkImageData(input, info);
+    OwnPtr<uint8_t[]> dstPixels = copySkImageData(input, info);
     return newSkImageFromRaster(info, std::move(dstPixels), input->width() * info.bytesPerPixel());
 }
 
-PassRefPtr<SkImage> ImageBitmap::getSkImageFromDecoder(std::unique_ptr<ImageDecoder> decoder)
+PassRefPtr<SkImage> ImageBitmap::getSkImageFromDecoder(PassOwnPtr<ImageDecoder> decoder)
 {
     if (!decoder->frameCount())
         return nullptr;
     ImageFrame* frame = decoder->frameBufferAtIndex(0);
     if (!frame || frame->getStatus() != ImageFrame::FrameComplete)
         return nullptr;
     SkBitmap bitmap = frame->bitmap();
     if (!frameIsValid(bitmap))
         return nullptr;
     return fromSkSp(SkImage::MakeFromBitmap(bitmap));
 }
 
 // The parameter imageFormat indicates whether the first parameter "image" is unpremultiplied or not.
 // imageFormat = PremultiplyAlpha means the image is in premuliplied format
 // For example, if the image is already in unpremultiplied format and we want the created ImageBitmap
 // in the same format, then we don't need to use the ImageDecoder to decode the image.
 static PassRefPtr<StaticBitmapImage> cropImage(Image* image, const IntRect& cropRect, bool flipY, bool premultiplyAlpha, AlphaDisposition imageFormat = PremultiplyAlpha, ImageDecoder::GammaAndColorProfileOption colorSpaceOp = ImageDecoder::GammaAndColorProfileApplied)
 {
     ASSERT(image);
 
     IntRect imgRect(IntPoint(), IntSize(image->width(), image->height()));
     const IntRect srcRect = intersection(imgRect, cropRect);
 
     // In the case when cropRect doesn't intersect the source image and it requires a umpremul image
     // We immediately return a transparent black image with cropRect.size()
     if (srcRect.isEmpty() && !premultiplyAlpha) {
         SkImageInfo info = SkImageInfo::Make(cropRect.width(), cropRect.height(), kN32_SkColorType, kUnpremul_SkAlphaType);
-        std::unique_ptr<uint8_t[]> dstPixels = wrapArrayUnique(new uint8_t[cropRect.width() * cropRect.height() * info.bytesPerPixel()]());
+        OwnPtr<uint8_t[]> dstPixels = adoptArrayPtr(new uint8_t[cropRect.width() * cropRect.height() * info.bytesPerPixel()]());
         return StaticBitmapImage::create(newSkImageFromRaster(info, std::move(dstPixels), cropRect.width() * info.bytesPerPixel()));
     }
 
     RefPtr<SkImage> skiaImage = image->imageForCurrentFrame();
     // Attempt to get raw unpremultiplied image data, executed only when skiaImage is premultiplied.
     if ((((!premultiplyAlpha && !skiaImage->isOpaque()) || !skiaImage) && image->data() && imageFormat == PremultiplyAlpha) || colorSpaceOp == ImageDecoder::GammaAndColorProfileIgnored) {
-        std::unique_ptr<ImageDecoder> decoder(ImageDecoder::create(*(image->data()),
+        OwnPtr<ImageDecoder> decoder(ImageDecoder::create(*(image->data()),
             premultiplyAlpha ? ImageDecoder::AlphaPremultiplied : ImageDecoder::AlphaNotPremultiplied,
             colorSpaceOp));
         if (!decoder)
             return nullptr;
         decoder->setData(image->data(), true);
         skiaImage = ImageBitmap::getSkImageFromDecoder(std::move(decoder));
         if (!skiaImage)
             return nullptr;
     }
 
@@ skipping 60 matching lines @@
 }
 
 ImageBitmap::ImageBitmap(HTMLVideoElement* video, const IntRect& cropRect, Document* document, const ImageBitmapOptions& options)
 {
     IntSize playerSize;
     if (video->webMediaPlayer())
         playerSize = video->webMediaPlayer()->naturalSize();
 
     IntRect videoRect = IntRect(IntPoint(), playerSize);
     IntRect srcRect = intersection(cropRect, videoRect);
-    std::unique_ptr<ImageBuffer> buffer = ImageBuffer::create(cropRect.size(), NonOpaque, DoNotInitializeImagePixels);
+    OwnPtr<ImageBuffer> buffer = ImageBuffer::create(cropRect.size(), NonOpaque, DoNotInitializeImagePixels);
     if (!buffer)
         return;
 
     IntPoint dstPoint = IntPoint(std::max(0, -cropRect.x()), std::max(0, -cropRect.y()));
     video->paintCurrentFrame(buffer->canvas(), IntRect(dstPoint, srcRect.size()), nullptr);
 
     bool flipY;
     bool premultiplyAlpha;
     parseOptions(options, flipY, premultiplyAlpha);
 
@@ skipping 48 matching lines @@
         else
             info = SkImageInfo::Make(cropRect.width(), dstHeight, kBGRA_8888_SkColorType, kPremul_SkAlphaType);
         int srcPixelBytesPerRow = info.bytesPerPixel() * data->size().width();
         int dstPixelBytesPerRow = info.bytesPerPixel() * cropRect.width();
         if (cropRect == IntRect(IntPoint(), data->size())) {
             swizzleImageData(srcAddr, srcHeight, srcPixelBytesPerRow, flipY);
             m_image = StaticBitmapImage::create(fromSkSp(SkImage::MakeRasterCopy(SkPixmap(info, srcAddr, dstPixelBytesPerRow))));
             // restore the original ImageData
             swizzleImageData(srcAddr, srcHeight, srcPixelBytesPerRow, flipY);
         } else {
-            std::unique_ptr<uint8_t[]> copiedDataBuffer = wrapArrayUnique(new uint8_t[dstHeight * dstPixelBytesPerRow]());
+            OwnPtr<uint8_t[]> copiedDataBuffer = adoptArrayPtr(new uint8_t[dstHeight * dstPixelBytesPerRow]());
             if (!srcRect.isEmpty()) {
                 IntPoint srcPoint = IntPoint((cropRect.x() > 0) ? cropRect.x() : 0, (cropRect.y() > 0) ? cropRect.y() : 0);
                 IntPoint dstPoint = IntPoint((cropRect.x() >= 0) ? 0 : -cropRect.x(), (cropRect.y() >= 0) ? 0 : -cropRect.y());
                 int copyHeight = srcHeight - srcPoint.y();
                 if (cropRect.height() < copyHeight)
                     copyHeight = cropRect.height();
                 int copyWidth = data->size().width() - srcPoint.x();
                 if (cropRect.width() < copyWidth)
                     copyWidth = cropRect.width();
                 for (int i = 0; i < copyHeight; i++) {
@@ skipping 13 matching lines @@
                             copiedDataBuffer[dstStartCopyPosition + j] = srcAddr[srcStartCopyPosition + j];
                     }
                 }
             }
             m_image = StaticBitmapImage::create(newSkImageFromRaster(info, std::move(copiedDataBuffer), dstPixelBytesPerRow));
         }
         m_image->setPremultiplied(premultiplyAlpha);
         return;
     }
 
-    std::unique_ptr<ImageBuffer> buffer = ImageBuffer::create(cropRect.size(), NonOpaque, DoNotInitializeImagePixels);
+    OwnPtr<ImageBuffer> buffer = ImageBuffer::create(cropRect.size(), NonOpaque, DoNotInitializeImagePixels);
     if (!buffer)
         return;
 
     if (srcRect.isEmpty()) {
         m_image = StaticBitmapImage::create(buffer->newSkImageSnapshot(PreferNoAcceleration, SnapshotReasonUnknown));
         return;
     }
 
     IntPoint dstPoint = IntPoint(std::min(0, -cropRect.x()), std::min(0, -cropRect.y()));
     if (cropRect.x() < 0)
@@ skipping 105 matching lines @@
     m_image.clear();
     m_isNeutered = true;
 }
 
 // static
 ImageBitmap* ImageBitmap::take(ScriptPromiseResolver*, sk_sp<SkImage> image)
 {
     return ImageBitmap::create(StaticBitmapImage::create(fromSkSp(image)));
 }
 
-std::unique_ptr<uint8_t[]> ImageBitmap::copyBitmapData(AlphaDisposition alphaOp)
+PassOwnPtr<uint8_t[]> ImageBitmap::copyBitmapData(AlphaDisposition alphaOp)
 {
     SkImageInfo info = SkImageInfo::Make(width(), height(), kRGBA_8888_SkColorType, (alphaOp == PremultiplyAlpha) ? kPremul_SkAlphaType : kUnpremul_SkAlphaType);
-    std::unique_ptr<uint8_t[]> dstPixels = copySkImageData(m_image->imageForCurrentFrame().get(), info);
+    OwnPtr<uint8_t[]> dstPixels = copySkImageData(m_image->imageForCurrentFrame().get(), info);
     return dstPixels;
 }
 
 unsigned long ImageBitmap::width() const
 {
     if (!m_image)
         return 0;
     ASSERT(m_image->width() > 0);
     return m_image->width();
 }
@@ skipping 52 matching lines @@
 FloatSize ImageBitmap::elementSize(const FloatSize&) const
 {
     return FloatSize(width(), height());
 }
 
 DEFINE_TRACE(ImageBitmap)
 {
 }
 
 } // namespace blink