Fix memory leak in nanobench
This is cleanup for (Add MultiPictureDraw to nanobench - https://codereview.chromium.org/731973005/)
Review URL: https://codereview.chromium.org/730343003
diff --git a/bench/SKPBench.cpp b/bench/SKPBench.cpp
index fd8df42..3e69217 100644
--- a/bench/SKPBench.cpp
+++ b/bench/SKPBench.cpp
@@ -73,7 +73,8 @@
// Draw the last set of tiles into the master canvas in case we're
// saving the images
for (int i = 0; i < fTileRects.count(); ++i) {
- canvas->drawImage(fSurfaces[i]->newImageSnapshot(),
+ SkAutoTUnref<SkImage> image(fSurfaces[i]->newImageSnapshot());
+ canvas->drawImage(image,
SkIntToScalar(fTileRects[i].fLeft), SkIntToScalar(fTileRects[i].fTop));
SkSafeSetNull(fSurfaces[i]);
}