Update from https://crrev.com/308996

cc/resources/picture_layer_tiling_set.h

Index: cc/resources/picture_layer_tiling_set.h
diff --git a/cc/resources/picture_layer_tiling_set.h b/cc/resources/picture_layer_tiling_set.h
index 4038b32d9a12c859e60c17925a038f56e16f30f1..242298cfe48bb93281f1925a3d012e5a86e04be3 100644
--- a/cc/resources/picture_layer_tiling_set.h
+++ b/cc/resources/picture_layer_tiling_set.h
@@ -69,9 +69,6 @@ class CC_EXPORT PictureLayerTilingSet {
   void UpdateTilingsToCurrentRasterSource(
       RasterSource* raster_source,
       const PictureLayerTilingSet* twin_set,
-      // TODO(danakj): Don't need to pass layer bounds here, we have the raster
-      // source already, and they are the same as the raster source size.
-      const gfx::Size& layer_bounds,
       const Region& layer_invalidation,
       float minimum_contents_scale);