Move createColorSpaceFilter from ImageBuffer to ColorSpaceUtilities

Source/platform/graphics/ColorSpace.cpp

Index: Source/platform/graphics/ColorSpace.cpp
diff --git a/Source/platform/graphics/ColorSpace.cpp b/Source/platform/graphics/ColorSpace.cpp
index 50553ecd71ec1744594929de66b20c510b80a708..fd2a85eb0b16baafe4df1c12894ac5e707358ec9 100644
--- a/Source/platform/graphics/ColorSpace.cpp
+++ b/Source/platform/graphics/ColorSpace.cpp
@@ -33,6 +33,7 @@
 #include "config.h"
 #include "platform/graphics/ColorSpace.h"
 
+#include "third_party/skia/include/effects/SkTableColorFilter.h"
 #include "wtf/MathExtras.h"
 
 namespace blink {
@@ -102,6 +103,15 @@ Color convertColor(const Color& srcColor, ColorSpace dstColorSpace, ColorSpace s
     return Color(lookupTable[srcColor.red()], lookupTable[srcColor.green()], lookupTable[srcColor.blue()], srcColor.alpha());
 }
 
+PassRefPtr<SkColorFilter> createColorSpaceFilter(ColorSpace srcColorSpace, ColorSpace dstColorSpace)
+{
+    const uint8_t* lookupTable = getConversionLUT(dstColorSpace, srcColorSpace);
+    if (!lookupTable)
+        return nullptr;
+
+    return adoptRef(SkTableColorFilter::CreateARGB(0, lookupTable, lookupTable, lookupTable));
+}
+
 } // namespace ColorSpaceUtilities
 
 } // namespace blink