Remove SkAutoTDelete.

Replace with std::unique_ptr.

Change-Id: I5806cfbb30515fcb20e5e66ce13fb5f3b8728176
Reviewed-on: https://skia-review.googlesource.com/4381
Commit-Queue: Ben Wagner <bungeman@google.com>
Reviewed-by: Mike Klein <mtklein@chromium.org>
diff --git a/tools/gpu/GrContextFactory.cpp b/tools/gpu/GrContextFactory.cpp
index 4f18994..79489f4 100644
--- a/tools/gpu/GrContextFactory.cpp
+++ b/tools/gpu/GrContextFactory.cpp
@@ -101,7 +101,7 @@
             return ContextInfo(context.fBackend, context.fTestContext, context.fGrContext);
         }
     }
-    SkAutoTDelete<TestContext> testCtx;
+    std::unique_ptr<TestContext> testCtx;
     sk_sp<GrContext> grCtx;
     GrBackendContext backendContext = 0;
     sk_sp<const GrGLInterface> glInterface;