Make platform/graphics to use USING_FAST_MALLOC.

third_party/WebKit/Source/platform/graphics/gpu/WebGLImageConversion.h

 // Copyright 2014 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 WebGLImageConversion_h
 #define WebGLImageConversion_h
 
 #include "platform/PlatformExport.h"
 #include "platform/graphics/Image.h"
 #include "platform/graphics/skia/ImagePixelLocker.h"
 #include "platform/heap/Heap.h"
 #include "third_party/khronos/GLES2/gl2.h"
 #include "third_party/khronos/GLES2/gl2ext.h"
 #include "third_party/khronos/GLES3/gl3.h"
+#include "wtf/Allocator.h"
 #include "wtf/Optional.h"
 #include "wtf/RefPtr.h"
 
 namespace blink {
 class Image;
 class IntSize;
 
 // Helper functions for texture uploading and pixel readback.
-class PLATFORM_EXPORT WebGLImageConversion {
+class PLATFORM_EXPORT WebGLImageConversion final {
+    STATIC_ONLY(WebGLImageConversion);
 public:
     // Attempt to enumerate all possible native image formats to
     // reduce the amount of temporary allocations during texture
     // uploading. This enum must be public because it is accessed
     // by non-member functions.
     // "_S" postfix indicates signed type.
     enum DataFormat {
         DataFormatRGBA8 = 0,
         DataFormatRGBA8_S,
         DataFormatRGBA16,
@@ skipping 72 matching lines @@
         AlphaDoUnmultiply = 2
     };
 
     enum ImageHtmlDomSource {
         HtmlDomImage = 0,
         HtmlDomCanvas = 1,
         HtmlDomVideo = 2,
         HtmlDomNone = 3
     };
 
-    class PLATFORM_EXPORT ImageExtractor {
+    class PLATFORM_EXPORT ImageExtractor final {
         STACK_ALLOCATED();
     public:
         ImageExtractor(Image*, ImageHtmlDomSource, bool premultiplyAlpha, bool ignoreGammaAndColorProfile);
 
         const void* imagePixelData() { return m_imagePixelLocker ? m_imagePixelLocker->pixels() : nullptr; }
         unsigned imageWidth() { return m_imageWidth; }
         unsigned imageHeight() { return m_imageHeight; }
         DataFormat imageSourceFormat() { return m_imageSourceFormat; }
         AlphaOp imageAlphaOp() { return m_alphaOp; }
         unsigned imageSourceUnpackAlignment() { return m_imageSourceUnpackAlignment; }
@@ skipping 64 matching lines @@
     // A sourceUnpackAlignment of zero indicates that the source
     // data is tightly packed. Non-zero values may take a slow path.
     // Destination data will have no gaps between rows.
     // Implemented in GraphicsContext3DImagePacking.cpp
     static bool packPixels(const uint8_t* sourceData, DataFormat sourceDataFormat, unsigned width, unsigned height, unsigned sourceUnpackAlignment, unsigned destinationFormat, unsigned destinationType, AlphaOp, void* destinationData, bool flipY);
 };
 
 } // namespace blink
 
 #endif // WebGLImageConversion_h