Move createColorSpaceFilter from ImageBuffer to ColorSpaceUtilities

Source/platform/graphics/ImageBuffer.cpp

Index: Source/platform/graphics/ImageBuffer.cpp
diff --git a/Source/platform/graphics/ImageBuffer.cpp b/Source/platform/graphics/ImageBuffer.cpp
index 9f3399be2ea04333b8b859878e8165871f85af5b..ec447d10ffa1539719c1f2a90d9c428ec9e4b241 100644
--- a/Source/platform/graphics/ImageBuffer.cpp
+++ b/Source/platform/graphics/ImageBuffer.cpp
@@ -52,7 +52,6 @@
 #include "public/platform/WebGraphicsContext3D.h"
 #include "public/platform/WebGraphicsContext3DProvider.h"
 #include "third_party/skia/include/core/SkPicture.h"
-#include "third_party/skia/include/effects/SkTableColorFilter.h"
 #include "wtf/ArrayBufferContents.h"
 #include "wtf/MathExtras.h"
 #include "wtf/Vector.h"
@@ -288,16 +287,6 @@ void ImageBuffer::flush()
     }
 }
 
-PassRefPtr<SkColorFilter> ImageBuffer::createColorSpaceFilter(ColorSpace srcColorSpace,
-    ColorSpace dstColorSpace)
-{
-    const uint8_t* lut = ColorSpaceUtilities::getConversionLUT(dstColorSpace, srcColorSpace);
-    if (!lut)
-        return nullptr;
-
-    return adoptRef(SkTableColorFilter::CreateARGB(0, lut, lut, lut));
-}
-
 bool ImageBuffer::getImageData(Multiply multiplied, const IntRect& rect, WTF::ArrayBufferContents& contents) const
 {
     Checked<int, RecordOverflow> dataSize = 4;