Turn ContextInfos returned by GrContextFactory into structs.

tests/VkClearTests.cpp

Index: tests/VkClearTests.cpp
diff --git a/tests/VkClearTests.cpp b/tests/VkClearTests.cpp
index 1f8e4970a7c04dbd7c1885f3d6efeb13a4cd9284..4a8c9667813ff551048e3939605de3093c2aff38 100644
--- a/tests/VkClearTests.cpp
+++ b/tests/VkClearTests.cpp
@@ -197,10 +197,10 @@ void sub_clear_test(skiatest::Reporter* reporter, GrContext* context, GrPixelCon
 }
 
 DEF_GPUTEST_FOR_VULKAN_CONTEXT(VkClearTests, reporter, ctxInfo) {
-    basic_clear_test(reporter, ctxInfo.fGrContext, kRGBA_8888_GrPixelConfig);
-    basic_clear_test(reporter, ctxInfo.fGrContext, kBGRA_8888_GrPixelConfig);
-    sub_clear_test(reporter, ctxInfo.fGrContext, kRGBA_8888_GrPixelConfig);
-    sub_clear_test(reporter, ctxInfo.fGrContext, kBGRA_8888_GrPixelConfig);
+    basic_clear_test(reporter, ctxInfo.grContext(), kRGBA_8888_GrPixelConfig);
+    basic_clear_test(reporter, ctxInfo.grContext(), kBGRA_8888_GrPixelConfig);
+    sub_clear_test(reporter, ctxInfo.grContext(), kRGBA_8888_GrPixelConfig);
+    sub_clear_test(reporter, ctxInfo.grContext(), kBGRA_8888_GrPixelConfig);
 }
 
 #endif