Remove SkAutoTDeleteArray

This class is already just an alias for std::unique_ptr<T[]>, so replace
all uses with that and delete the class.

CQ_INCLUDE_TRYBOTS=master.client.skia:Test-Ubuntu-Clang-GCE-CPU-AVX2-x86_64-Debug-ASAN-Trybot,Test-Ubuntu-Clang-Golo-GPU-GT610-x86_64-Debug-ASAN-Trybot

Change-Id: I40668d398356a22da071ee791666c7f728b59266
Reviewed-on: https://skia-review.googlesource.com/4362
Reviewed-by: Mike Reed <reed@google.com>
Reviewed-by: Mike Klein <mtklein@chromium.org>
diff --git a/tests/ClearTest.cpp b/tests/ClearTest.cpp
index 4a6e26c..d83fb92 100644
--- a/tests/ClearTest.cpp
+++ b/tests/ClearTest.cpp
@@ -20,7 +20,7 @@
     GrRenderTarget* rt = rtc->accessRenderTarget();
     int w = rect.width();
     int h = rect.height();
-    SkAutoTDeleteArray<uint32_t> pixels(new uint32_t[w * h]);
+    std::unique_ptr<uint32_t[]> pixels(new uint32_t[w * h]);
     memset(pixels.get(), ~expectedValue, sizeof(uint32_t) * w * h);
     rt->readPixels(rect.fLeft, rect.fTop, w, h, kRGBA_8888_GrPixelConfig, pixels.get());
     for (int y = 0; y < h; ++y) {