Make GrRenderableConfigForColorSpace argument const
BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2367813002
Review-Url: https://codereview.chromium.org/2367813002
diff --git a/src/gpu/SkGrPriv.h b/src/gpu/SkGrPriv.h
index c1069d1..b658389 100644
--- a/src/gpu/SkGrPriv.h
+++ b/src/gpu/SkGrPriv.h
@@ -108,7 +108,7 @@
/** When image filter code needs to construct a draw context to do intermediate rendering, we need
a renderable pixel config. The source (SkSpecialImage) may not be in a renderable format, but
we want to preserve the color space of that source. This picks an appropriate format to use. */
-GrPixelConfig GrRenderableConfigForColorSpace(SkColorSpace*);
+GrPixelConfig GrRenderableConfigForColorSpace(const SkColorSpace*);
/**
* If the compressed data in the SkData is supported (as a texture format, this returns