cc: Remove low quality mode and cleanup tile versions.

cc/layers/picture_layer_impl_unittest.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "cc/layers/picture_layer_impl.h"
 
 #include <algorithm>
 #include <limits>
 #include <set>
 #include <utility>
@@ skipping 1520 matching lines @@
   for (PictureLayerTiling::CoverageIterator iter(
            tiling, pending_layer_->contents_scale_x(), gfx::Rect(layer_bounds));
        iter;
        ++iter) {
     if (!*iter)
       continue;
     Tile* tile = *iter;
     if (viewport_for_tile_priority.Intersects(iter.geometry_rect())) {
       num_inside++;
       // Mark everything in viewport for tile priority as ready to draw.
-      ManagedTileState::TileVersion& tile_version =
-          tile->GetTileVersionForTesting(
-              tile->DetermineRasterModeForTree(PENDING_TREE));
-      tile_version.SetSolidColorForTesting(SK_ColorRED);
+      ManagedTileState::TileDrawInfo& draw_info = tile->GetTileDrawInfo();
+      draw_info.SetSolidColorForTesting(SK_ColorRED);
     } else {
       num_outside++;
       EXPECT_FALSE(tile->required_for_activation());
     }
   }
 
   EXPECT_GT(num_inside, 0);
   EXPECT_GT(num_outside, 0);
 
   // Activate and draw active layer.
@@ skipping 1058 matching lines @@
 
   pending_layer_->draw_properties().visible_content_rect =
       gfx::Rect(0, 0, 500, 500);
   pending_layer_->UpdateTiles(Occlusion());
 
   std::vector<Tile*> high_res_tiles = high_res_tiling->AllTilesForTesting();
   for (std::vector<Tile*>::iterator tile_it = high_res_tiles.begin();
        tile_it != high_res_tiles.end();
        ++tile_it) {
     Tile* tile = *tile_it;
-    ManagedTileState::TileVersion& tile_version =
-        tile->GetTileVersionForTesting(
-            tile->DetermineRasterModeForTree(ACTIVE_TREE));
-    tile_version.SetSolidColorForTesting(SK_ColorRED);
+    ManagedTileState::TileDrawInfo& draw_info = tile->GetTileDrawInfo();
+    draw_info.SetSolidColorForTesting(SK_ColorRED);
   }
 
   non_ideal_tile_count = 0;
   low_res_tile_count = 0;
   high_res_tile_count = 0;
   for (it = PictureLayerImpl::LayerRasterTileIterator(pending_layer_, false);
        it;
        ++it) {
     Tile* tile = *it;
     TilePriority priority = tile->priority(PENDING_TREE);
@@ skipping 1728 matching lines @@
   SetupPendingTree(pending_pile2);
   ActivateTree();
 
   // We've switched to a solid color, so we should end up with no tilings.
   ASSERT_TRUE(active_layer_->tilings());
   EXPECT_EQ(0u, active_layer_->tilings()->num_tilings());
 }
 
 }  // namespace
 }  // namespace cc