Cleanup some sRGB TODOs, mostly around setting GrPaint flags correctly

src/effects/SkMorphologyImageFilter.cpp

Index: src/effects/SkMorphologyImageFilter.cpp
diff --git a/src/effects/SkMorphologyImageFilter.cpp b/src/effects/SkMorphologyImageFilter.cpp
index ebce1b3c5d0144b3bd782062b86eaeb9de475643..4e6032fa5a18115840c1b8389e6bf4486ba24cfc 100644
--- a/src/effects/SkMorphologyImageFilter.cpp
+++ b/src/effects/SkMorphologyImageFilter.cpp
@@ -394,7 +394,7 @@ static void apply_morphology_rect(GrDrawContext* drawContext,
                                   float bounds[2],
                                   Gr1DKernelEffect::Direction direction) {
     GrPaint paint;
-    // SRGBTODO: AllowSRGBInputs?
+    paint.setAllowSRGBInputs(drawContext->isGammaCorrect());
     paint.addColorFragmentProcessor(GrMorphologyEffect::Make(texture,
                                                              direction,
                                                              radius,
@@ -414,7 +414,7 @@ static void apply_morphology_rect_no_bounds(GrDrawContext* drawContext,
                                             GrMorphologyEffect::MorphologyType morphType,
                                             Gr1DKernelEffect::Direction direction) {
     GrPaint paint;
-    // SRGBTODO: AllowSRGBInputs?
+    paint.setAllowSRGBInputs(drawContext->isGammaCorrect());
     paint.addColorFragmentProcessor(GrMorphologyEffect::Make(texture, direction, radius,
                                                              morphType));
     paint.setPorterDuffXPFactory(SkXfermode::kSrc_Mode);