Move logic from NativeImageSkia to GraphicsContext and SkiaUtils

Source/platform/graphics/skia/SkiaUtils.h

Index: Source/platform/graphics/skia/SkiaUtils.h
diff --git a/Source/platform/graphics/skia/SkiaUtils.h b/Source/platform/graphics/skia/SkiaUtils.h
index 6f1444e4da53bceb637777b1bfa98e56bdb8a267..e6fab14184743bbcc37e397eb30413b0e2a1f152 100644
--- a/Source/platform/graphics/skia/SkiaUtils.h
+++ b/Source/platform/graphics/skia/SkiaUtils.h
@@ -91,6 +91,16 @@ bool PLATFORM_EXPORT SkPathContainsPoint(const SkPath&, const FloatPoint&, SkPat
 
 SkMatrix PLATFORM_EXPORT affineTransformToSkMatrix(const AffineTransform&);
 
+bool nearlyIntegral(float value);
+
+InterpolationQuality limitInterpolationQuality(const GraphicsContext*, InterpolationQuality resampling);
+
+SkPaint::FilterLevel convertToSkiaFilterLevel(bool useBicubicFilter, InterpolationQuality resampling);
+
+InterpolationQuality computeInterpolationQuality(const SkMatrix&, float srcWidth, float srcHeight, float destWidth, float destHeight, bool isDataComplete = true);
+
+bool shouldDrawAntiAliased(const GraphicsContext*, const SkRect& destRect);
+
 }  // namespace blink
 
 #endif  // SkiaUtils_h