Make platform/graphics to use USING_FAST_MALLOC.

third_party/WebKit/Source/platform/graphics/ImageFrameGenerator.cpp

 /*
  * Copyright (C) 2012 Google 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
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 35 matching lines @@
     if (src.alphaType() == kOpaque_SkAlphaType && dst.alphaType() == kPremul_SkAlphaType) {
         const SkImageInfo& tmp = src.makeAlphaType(kPremul_SkAlphaType);
         return tmp == dst;
     }
 
     return false;
 }
 
 // Creates a SkPixelRef such that the memory for pixels is given by an external body.
 // This is used to write directly to the memory given by Skia during decoding.
-class ImageFrameGenerator::ExternalMemoryAllocator : public SkBitmap::Allocator {
+class ImageFrameGenerator::ExternalMemoryAllocator final : public SkBitmap::Allocator {
+    USING_FAST_MALLOC(ExternalMemoryAllocator);
+    WTF_MAKE_NONCOPYABLE(ExternalMemoryAllocator);
 public:
     ExternalMemoryAllocator(const SkImageInfo& info, void* pixels, size_t rowBytes)
         : m_info(info)
         , m_pixels(pixels)
         , m_rowBytes(rowBytes)
     {
     }
 
     bool allocPixelRef(SkBitmap* dst, SkColorTable* ctable) override
     {
@@ skipping 306 matching lines @@
 
     // Setting a dummy ImagePlanes object signals to the decoder that we want to do YUV decoding.
     decoder->setData(data, allDataReceived);
     OwnPtr<ImagePlanes> dummyImagePlanes = adoptPtr(new ImagePlanes);
     decoder->setImagePlanes(dummyImagePlanes.release());
 
     return updateYUVComponentSizes(decoder.get(), componentSizes, ImageDecoder::SizeForMemoryAllocation);
 }
 
 } // namespace blink