Turn ContextInfos returned by GrContextFactory into structs.

tests/GpuDrawPathTest.cpp

Index: tests/GpuDrawPathTest.cpp
diff --git a/tests/GpuDrawPathTest.cpp b/tests/GpuDrawPathTest.cpp
index dc8db0ff70f09b12720d97e206ff8264986c8440..c0b31f0737ab7a9283d0d7878eed19fe7d19d795 100644
--- a/tests/GpuDrawPathTest.cpp
+++ b/tests/GpuDrawPathTest.cpp
@@ -81,8 +81,8 @@ DEF_GPUTEST_FOR_ALL_GL_CONTEXTS(GpuDrawPath, reporter, ctxInfo) {
         for (auto& sampleCount : {0, 4, 16}) {
             SkImageInfo info = SkImageInfo::MakeN32Premul(255, 255);
             auto surface(
-                SkSurface::MakeRenderTarget(ctxInfo.fGrContext, SkBudgeted::kNo, info, sampleCount,
-                                            nullptr));
+                SkSurface::MakeRenderTarget(ctxInfo.grContext(), SkBudgeted::kNo, info,
+                                            sampleCount, nullptr));
             if (!surface) {
                 continue;
             }