Adds RefPtr::leakRef method to allow raw pointers that prevent destruct.

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/Float32ImageData.h"
 #include "core/html/HTMLCanvasElement.h"
 #include "core/html/HTMLVideoElement.h"
 #include "core/html/ImageData.h"
@@ skipping 747 matching lines @@
     RefPtr<Uint8Array> resizedPixels =
         Uint8Array::create(dstBuffer, 0, dstBuffer->byteLength());
     SkPixmap pixmap(
         resizedInfo, resizedPixels->data(),
         static_cast<unsigned>(resizeWidth) * resizedInfo.bytesPerPixel());
     skImage->scalePixels(pixmap, resizeQuality);
     return SkImage::MakeFromRaster(pixmap,
                                    [](const void*, void* pixels) {
                                      static_cast<Uint8Array*>(pixels)->deref();
                                    },
-                                   resizedPixels.release().leakRef());
+                                   resizedPixels.leakRef());
   }
 
   RefPtr<Float32Array> resizedPixels =
       Float32Array::create(dstBuffer, 0, dstBuffer->byteLength());
   SkPixmap pixmap(
       resizedInfo, resizedPixels->data(),
       static_cast<unsigned>(resizeWidth) * resizedInfo.bytesPerPixel());
   skImage->scalePixels(pixmap, resizeQuality);
   return SkImage::MakeFromRaster(pixmap,
                                  [](const void*, void* pixels) {
                                    static_cast<Float32Array*>(pixels)->deref();
                                  },
-                                 resizedPixels.release().leakRef());
+                                 resizedPixels.leakRef());
 }
 
 ImageBitmap::ImageBitmap(ImageData* data,
                          Optional<IntRect> cropRect,
                          const ImageBitmapOptions& options) {
   // TODO(xidachen): implement the resize option
   IntRect dataSrcRect = IntRect(IntPoint(), data->size());
   ParsedOptions parsedOptions =
       parseOptions(options, cropRect, data->bitmapSourceSize());
   if (dstBufferSizeHasOverflow(parsedOptions))
@@ skipping 360 matching lines @@
 void ImageBitmap::adjustDrawRects(FloatRect* srcRect,
                                   FloatRect* dstRect) const {}
 
 FloatSize ImageBitmap::elementSize(const FloatSize&) const {
   return FloatSize(width(), height());
 }
 
 DEFINE_TRACE(ImageBitmap) {}
 
 }  // namespace blink