Make color initialization version of createBackendTexture public

Mechanical.

Change-Id: I48be78a12684fc5243ee509e391984daa190fb7d
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/218182
Reviewed-by: Greg Daniel <egdaniel@google.com>
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Robert Phillips <robertphillips@google.com>
diff --git a/tests/GrMipMappedTest.cpp b/tests/GrMipMappedTest.cpp
index d0a9903..ef0ef66 100644
--- a/tests/GrMipMappedTest.cpp
+++ b/tests/GrMipMappedTest.cpp
@@ -40,7 +40,7 @@
             // createBackendTexture currently doesn't support uploading data to mip maps
             // so we don't send any. However, we pretend there is data for the checks below which is
             // fine since we are never actually using these textures for any work on the gpu.
-            GrBackendTexture backendTex = context->priv().createBackendTexture(
+            GrBackendTexture backendTex = context->createBackendTexture(
                     kSize, kSize, kRGBA_8888_SkColorType,
                     SkColors::kTransparent, mipMapped, renderable);
 
@@ -106,7 +106,7 @@
 
     for (auto mipMapped : {GrMipMapped::kNo, GrMipMapped::kYes}) {
         for (auto willUseMips : {false, true}) {
-            GrBackendTexture backendTex = context->priv().createBackendTexture(
+            GrBackendTexture backendTex = context->createBackendTexture(
                     kSize, kSize, kRGBA_8888_SkColorType,
                     SkColors::kTransparent, mipMapped, GrRenderable::kNo);
 
@@ -249,7 +249,7 @@
         for (auto isWrapped : {false, true}) {
             GrMipMapped mipMapped = willUseMips ? GrMipMapped::kYes : GrMipMapped::kNo;
             sk_sp<SkSurface> surface;
-            GrBackendTexture backendTex = context->priv().createBackendTexture(
+            GrBackendTexture backendTex = context->createBackendTexture(
                     kSize, kSize, kRGBA_8888_SkColorType,
                     SkColors::kTransparent, mipMapped, GrRenderable::kYes);
             if (isWrapped) {