[3/5] Add translated rasterization support for RasterBuffer & below

cc/debug/rasterize_and_record_benchmark_impl.cc

Index: cc/debug/rasterize_and_record_benchmark_impl.cc
diff --git a/cc/debug/rasterize_and_record_benchmark_impl.cc b/cc/debug/rasterize_and_record_benchmark_impl.cc
index 5d443c7cbb2af5b17665b1ccb959e56c992eece8..7e061296c4a4e0aaca90612af72184d7ea0222c4 100644
--- a/cc/debug/rasterize_and_record_benchmark_impl.cc
+++ b/cc/debug/rasterize_and_record_benchmark_impl.cc
@@ -10,6 +10,7 @@
 #include <limits>
 
 #include "base/values.h"
+#include "cc/base/scale_translate2d.h"
 #include "cc/debug/lap_timer.h"
 #include "cc/layers/layer_impl.h"
 #include "cc/layers/picture_layer_impl.h"
@@ -53,8 +54,9 @@ void RunBenchmark(RasterSource* raster_source,
                                                     content_rect.height()));
       SkCanvas canvas(bitmap);
 
+      DCHECK_EQ(raster_scales.width(), raster_scales.height());

[enne (OOO), 2017/01/03 22:53:16]

I think raster_scales was a failed experiment.  You should be able to change
this to just have a single value.

[trchen, 2017/01/14 01:06:37]

Done. (Thanks vmpstr!)

       raster_source->PlaybackToCanvas(&canvas, content_rect, content_rect,
-                                      raster_scales,
+                                      ScaleTranslate2d(raster_scales.width(), gfx::Vector2dF()),
                                       RasterSource::PlaybackSettings());
 
       timer.NextLap();