Update unit tests to accept GrDirectContext

This CL makes it explicit that the unit tests always get a direct context.

It is mainly a mechanical CL.

Change-Id: I49e0628851d9c81eb47386ef978edf905c6469d8
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/299866
Reviewed-by: Adlai Holler <adlai@google.com>
Commit-Queue: Robert Phillips <robertphillips@google.com>
diff --git a/tests/GrMeshTest.cpp b/tests/GrMeshTest.cpp
index 39619eb..2d14678 100644
--- a/tests/GrMeshTest.cpp
+++ b/tests/GrMeshTest.cpp
@@ -10,7 +10,7 @@
 #include <array>
 #include <vector>
 #include "include/core/SkBitmap.h"
-#include "include/gpu/GrContext.h"
+#include "include/gpu/GrDirectContext.h"
 #include "include/private/GrResourceKey.h"
 #include "src/gpu/GrCaps.h"
 #include "src/gpu/GrContextPriv.h"
@@ -108,7 +108,7 @@
 #else
 DEF_GPUTEST_FOR_RENDERING_CONTEXTS(GrMeshTest, reporter, ctxInfo) {
 #endif
-    GrContext* context = ctxInfo.grContext();
+    auto context = ctxInfo.directContext();
 
     auto rtc = GrRenderTargetContext::Make(
             context, GrColorType::kRGBA_8888, nullptr, SkBackingFit::kExact,