Move uses of functions taking SkColorType to GrColorType versions in GrCaps.

Change-Id: I4feda6277cf14be0d32a8ce22257902483d7ae1a
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/225734
Commit-Queue: Greg Daniel <egdaniel@google.com>
Reviewed-by: Robert Phillips <robertphillips@google.com>
diff --git a/tools/DDLPromiseImageHelper.cpp b/tools/DDLPromiseImageHelper.cpp
index f2d7b9c..447e9b0 100644
--- a/tools/DDLPromiseImageHelper.cpp
+++ b/tools/DDLPromiseImageHelper.cpp
@@ -83,8 +83,8 @@
             }
         }
 
-        GrBackendFormat format = caps->getBackendFormatFromGrColorType(GrColorType::kRG_88,
-                                                                       GrSRGBEncoded::kNo);
+        GrBackendFormat format = caps->getBackendFormatFromColorType(GrColorType::kRG_88,
+                                                                     GrSRGBEncoded::kNo);
         tex = gpu->createBackendTexture(pm.width(), pm.height(), format,
                                         GrMipMapped::kNo, GrRenderable::kNo,
                                         pixels, 2 * pm.width(), nullptr, GrProtected::kNo);