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/tests/TextureProxyTest.cpp b/tests/TextureProxyTest.cpp
index fbf8f27..b85032e 100644
--- a/tests/TextureProxyTest.cpp
+++ b/tests/TextureProxyTest.cpp
@@ -42,7 +42,7 @@
                                           GrProxyProvider* proxyProvider, SkBackingFit fit) {
     const GrSurfaceDesc desc = make_desc(kNone_GrSurfaceFlags);
     GrBackendFormat format =
-            ctx->priv().caps()->getBackendFormatFromColorType(kRGBA_8888_SkColorType);
+            ctx->priv().caps()->getBackendFormatFromColorType(GrColorType::kRGBA_8888);
 
     sk_sp<GrTextureProxy> proxy =
             proxyProvider->createProxy(format, desc, kBottomLeft_GrSurfaceOrigin, fit,
@@ -56,7 +56,7 @@
                                             GrProxyProvider* proxyProvider, SkBackingFit fit) {
     const GrSurfaceDesc desc = make_desc(kRenderTarget_GrSurfaceFlag);
     GrBackendFormat format =
-            ctx->priv().caps()->getBackendFormatFromColorType(kRGBA_8888_SkColorType);
+            ctx->priv().caps()->getBackendFormatFromColorType(GrColorType::kRGBA_8888);
 
     sk_sp<GrTextureProxy> proxy =
             proxyProvider->createProxy(format, desc, kBottomLeft_GrSurfaceOrigin, fit,