Just pass the draw context to paint conversion

gm/constcolorprocessor.cpp

Index: gm/constcolorprocessor.cpp
diff --git a/gm/constcolorprocessor.cpp b/gm/constcolorprocessor.cpp
index 3a5d73acf3d94802a5338385f0fcb859f5a66760..d9b5f6c17e92663b45f1d222e05d074ff56cff47 100644
--- a/gm/constcolorprocessor.cpp
+++ b/gm/constcolorprocessor.cpp
@@ -100,7 +100,7 @@ protected:
                         skPaint.setColor(kPaintColors[paintType]);
                     }
                     // SRGBTODO: No sRGB inputs allowed here?
-                    SkAssertResult(SkPaintToGrPaint(context, skPaint, viewMatrix, false, nullptr,
+                    SkAssertResult(SkPaintToGrPaint(context, drawContext, skPaint, viewMatrix,
                                                     &grPaint));
 
                     GrConstColorProcessor::InputMode mode = (GrConstColorProcessor::InputMode) m;