Use sk_sp<SkBitmap::Allocator> instead of raw pointers or WTF::RefPtr<T>.

third_party/WebKit/Source/platform/image-decoders/ImageFrame.cpp

 /*
  * Copyright (C) 2006 Apple Computer, Inc.  All rights reserved.
  * Copyright (C) 2008, 2009 Google, Inc.
  *
  * 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 14 matching lines @@
  */
 
 #include "platform/image-decoders/ImageFrame.h"
 
 #include "platform/RuntimeEnabledFeatures.h"
 #include "platform/image-decoders/ImageDecoder.h"
 
 namespace blink {
 
 ImageFrame::ImageFrame()
-    : m_allocator(0)
+    : m_allocator(nullptr)
     , m_hasAlpha(true)
     , m_status(FrameEmpty)
     , m_duration(0)
     , m_disposalMethod(DisposeNotSpecified)
     , m_alphaBlendSource(BlendAtopPreviousFrame)
     , m_premultiplyAlpha(true)
     , m_pixelsChanged(false)
     , m_requiredPreviousFrameIndex(kNotFound)
 {
 }
@@ skipping 54 matching lines @@
 {
     // setSizeAndColorProfile() should only be called once, it leaks memory otherwise.
     ASSERT(!width() && !height());
 
     sk_sp<SkColorSpace> colorSpace;
     if (RuntimeEnabledFeatures::colorCorrectRenderingEnabled() && !newIccProfile.isEmpty())
         colorSpace = SkColorSpace::NewICC(newIccProfile.data(), newIccProfile.size());
 
     m_bitmap.setInfo(SkImageInfo::MakeN32(newWidth, newHeight,
         m_premultiplyAlpha ? kPremul_SkAlphaType : kUnpremul_SkAlphaType, colorSpace));
-    if (!m_bitmap.tryAllocPixels(m_allocator, 0))
+    if (!m_bitmap.tryAllocPixels(m_allocator.get(), 0))
         return false;
 
     zeroFillPixelData();
     return true;
 }
 
 bool ImageFrame::hasAlpha() const
 {
     return m_hasAlpha;
 }
@@ skipping 31 matching lines @@
     // If the frame is not fully loaded, there will be transparent pixels,
     // so we can't tell skia we're opaque, even for image types that logically
     // always are (e.g. jpeg).
     if (!m_hasAlpha && m_status == FrameComplete)
         return kOpaque_SkAlphaType;
 
     return m_premultiplyAlpha ? kPremul_SkAlphaType : kUnpremul_SkAlphaType;
 }
 
 } // namespace blink