respect sRGB when converting from sk to gr configs

src/gpu/SkGr.cpp

Index: src/gpu/SkGr.cpp
diff --git a/src/gpu/SkGr.cpp b/src/gpu/SkGr.cpp
index a3848c77e01de508f9c22a96e8c4b2d0f69d8454..6f7bee13955ff9f77c5d5a6922490548e08de860 100644
--- a/src/gpu/SkGr.cpp
+++ b/src/gpu/SkGr.cpp
@@ -370,9 +370,9 @@ GrPixelConfig SkImageInfo2GrPixelConfig(SkColorType ct, SkAlphaType, SkColorProf
         case kARGB_4444_SkColorType:
             return kRGBA_4444_GrPixelConfig;
         case kRGBA_8888_SkColorType:
-            //if (kSRGB_SkColorProfileType == pt) {
-            //    return kSRGBA_8888_GrPixelConfig;
-            //}
+            if (kSRGB_SkColorProfileType == pt) {
+                return kSRGBA_8888_GrPixelConfig;
+            }
             return kRGBA_8888_GrPixelConfig;
         case kBGRA_8888_SkColorType:
             return kBGRA_8888_GrPixelConfig;