Remove Unnecessary Use of |TileGridInfo|, Use Size Instead

In Picture related classes, |TileGridInfo| is used when we only care
about size of grid, so stop using |TileGridInfo|.

In PicturePile class we compute |TileGridInfo| from tile grid size and
a constant for margin, then in Picture class we get back grid size from
|TileGridInfo|. This back and force conversion is unnecessary.

BUG=447662

Review URL: https://codereview.chromium.org/856853003

Cr-Commit-Position: refs/heads/master@{#311988}

1 files changed, 1 insertions, 4 deletions

diff --git a/cc/debug/rasterize_and_record_benchmark.cc b/cc/debug/rasterize_and_record_benchmark.cc
index 41d6210..51edc98 100644
--- a/cc/debug/rasterize_and_record_benchmark.cc
+++ b/cc/debug/rasterize_and_record_benchmark.cc
@@ -108,9 +108,6 @@ void RasterizeAndRecordBenchmark::RunOnLayer(PictureLayer* layer) {
   DCHECK(host_);
   gfx::Size tile_grid_size = host_->settings().default_tile_size;
 
-  SkTileGridFactory::TileGridInfo tile_grid_info;
-  PicturePile::ComputeTileGridInfo(tile_grid_size, &tile_grid_info);
-
   gfx::Rect visible_content_rect = gfx::ScaleToEnclosingRect(
       layer->visible_content_rect(), 1.f / layer->contents_scale_x());
   if (visible_content_rect.IsEmpty())
@@ -136,7 +133,7 @@ void RasterizeAndRecordBenchmark::RunOnLayer(PictureLayer* layer) {
                      kTimeCheckInterval);
       scoped_refptr<Picture> picture;
       do {
-        picture = Picture::Create(visible_content_rect, painter, tile_grid_info,
+        picture = Picture::Create(visible_content_rect, painter, tile_grid_size,
                                   false, mode);
         timer.NextLap();
       } while (!timer.HasTimeLimitExpired());