don't create SkDevice directly, use SkBitmap or (better) SkCanvas::NewRaster factory

skia/ext/benchmarking_canvas.cc

Index: skia/ext/benchmarking_canvas.cc
diff --git a/skia/ext/benchmarking_canvas.cc b/skia/ext/benchmarking_canvas.cc
index 557827f37cb3aaeecd4ee9a3ae20bad3c203c8dc..5a6ceb96dc7a8dffe7ca3bd7808bc92515daff35 100644
--- a/skia/ext/benchmarking_canvas.cc
+++ b/skia/ext/benchmarking_canvas.cc
@@ -6,7 +6,6 @@
 #include "base/logging.h"
 #include "base/time/time.h"
 #include "skia/ext/benchmarking_canvas.h"
-#include "third_party/skia/include/core/SkBitmapDevice.h"
 #include "third_party/skia/include/utils/SkProxyCanvas.h"
 
 namespace skia {
@@ -25,9 +24,7 @@ class TimingCanvas : public SkProxyCanvas {
 public:
   TimingCanvas(int width, int height, const BenchmarkingCanvas* track_canvas)
       : tracking_canvas_(track_canvas) {
-    skia::RefPtr<SkBaseDevice> device = skia::AdoptRef(
-        SkNEW_ARGS(SkBitmapDevice, (SkBitmap::kARGB_8888_Config, width, height)));
-    canvas_ = skia::AdoptRef(SkNEW_ARGS(SkCanvas, (device.get())));
+    canvas_ = skia::AdoptRef(SkCanvas::NewRasterN32(width, height));
 
     setProxy(canvas_.get());
   }