Turn ContextInfos returned by GrContextFactory into structs.

tests/VkWrapTests.cpp

Index: tests/VkWrapTests.cpp
diff --git a/tests/VkWrapTests.cpp b/tests/VkWrapTests.cpp
index 626ee4c4b17e828faf989e88a329bdd15f0f53cf..e81ebf5f170cd4c6623d808050f20a4f5ed4642d 100644
--- a/tests/VkWrapTests.cpp
+++ b/tests/VkWrapTests.cpp
@@ -159,9 +159,9 @@ void wrap_trt_test(skiatest::Reporter* reporter, GrContext* context) {
 }
 
 DEF_GPUTEST_FOR_VULKAN_CONTEXT(VkWrapTests, reporter, ctxInfo) {
-    wrap_tex_test(reporter, ctxInfo.fGrContext);
-    wrap_rt_test(reporter, ctxInfo.fGrContext);
-    wrap_trt_test(reporter, ctxInfo.fGrContext);
+    wrap_tex_test(reporter, ctxInfo.grContext());
+    wrap_rt_test(reporter, ctxInfo.grContext());
+    wrap_trt_test(reporter, ctxInfo.grContext());
 }
 
 #endif