cc: Remove low quality mode and cleanup tile versions.

cc/resources/picture_layer_tiling_unittest.cc

Index: cc/resources/picture_layer_tiling_unittest.cc
diff --git a/cc/resources/picture_layer_tiling_unittest.cc b/cc/resources/picture_layer_tiling_unittest.cc
index e64191d3b323bd72ddc731835c0c3f742d1be8a0..1a242a3f860efd14058752e77a44de0e19e8f524 100644
--- a/cc/resources/picture_layer_tiling_unittest.cc
+++ b/cc/resources/picture_layer_tiling_unittest.cc
@@ -1116,10 +1116,8 @@ TEST(PictureLayerTilingTest, TilingRasterTileIteratorStaticViewport) {
 
     // On the second iteration, mark everything as ready to draw (solid color).
     if (i == 1) {
-      ManagedTileState::TileVersion& tile_version =
-          last_tile->GetTileVersionForTesting(
-              last_tile->DetermineRasterModeForTree(ACTIVE_TREE));
-      tile_version.SetSolidColorForTesting(SK_ColorRED);
+      ManagedTileState::DrawInfo& draw_info = last_tile->draw_info();
+      draw_info.SetSolidColorForTesting(SK_ColorRED);
     }
     ++it;
     int eventually_bin_order_correct_count = 0;
@@ -1154,10 +1152,8 @@ TEST(PictureLayerTilingTest, TilingRasterTileIteratorStaticViewport) {
       // On the second iteration, mark everything as ready to draw (solid
       // color).
       if (i == 1) {
-        ManagedTileState::TileVersion& tile_version =
-            last_tile->GetTileVersionForTesting(
-                last_tile->DetermineRasterModeForTree(ACTIVE_TREE));
-        tile_version.SetSolidColorForTesting(SK_ColorRED);
+        ManagedTileState::DrawInfo& draw_info = last_tile->draw_info();
+        draw_info.SetSolidColorForTesting(SK_ColorRED);
       }
     }