cc: Do not ignore layers without valid priorities during eviction.

cc/resources/picture_layer_tiling_unittest.cc

 // Copyright 2012 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/resources/picture_layer_tiling.h"
 
 #include <limits>
 #include <set>
 
 #include "cc/base/math_util.h"
@@ skipping 1267 matching lines @@
   tiling = TestablePictureLayerTiling::Create(1.0f, layer_bounds, &client);
   tiling->ComputeTilePriorityRects(
       ACTIVE_TREE, viewport, 1.0f, 1.0, Occlusion());
   tiling->UpdateAllTilePrioritiesForTesting();
 
   PictureLayerTiling::TilingRasterTileIterator empty_iterator;
   EXPECT_FALSE(empty_iterator);
 
   std::vector<Tile*> all_tiles = tiling->AllTilesForTesting();
 
-  PictureLayerTiling::TilingEvictionTileIterator it(
-      tiling.get(), SMOOTHNESS_TAKES_PRIORITY, PictureLayerTiling::NOW);
+  PictureLayerTiling::TilingEvictionTileIterator it(tiling.get(),
+                                                    SMOOTHNESS_TAKES_PRIORITY,
+                                                    PictureLayerTiling::NOW,
+                                                    true,
+                                                    true);
 
   // Tiles don't have resources to evict.
   EXPECT_FALSE(it);
 
   // Sanity check.
   EXPECT_EQ(5184u, all_tiles.size());
 
   client.tile_manager()->InitializeTilesWithResourcesForTesting(all_tiles);
 
   std::set<Tile*> all_tiles_set(all_tiles.begin(), all_tiles.end());
 
   std::set<Tile*> eviction_tiles;
 
   it = PictureLayerTiling::TilingEvictionTileIterator(
-      tiling.get(), SMOOTHNESS_TAKES_PRIORITY, PictureLayerTiling::EVENTUALLY);
+      tiling.get(),
+      SMOOTHNESS_TAKES_PRIORITY,
+      PictureLayerTiling::EVENTUALLY,
+      true,
+      true);
   EXPECT_TRUE(it);
   for (; it; ++it) {
     Tile* tile = *it;
     EXPECT_TRUE(tile);
     EXPECT_EQ(TilePriority::EVENTUALLY,
               tile->priority(ACTIVE_TREE).priority_bin);
     EXPECT_FALSE(tile->required_for_activation());
     eviction_tiles.insert(tile);
   }
 
-  it = PictureLayerTiling::TilingEvictionTileIterator(
-      tiling.get(), SMOOTHNESS_TAKES_PRIORITY, PictureLayerTiling::SOON);
+  it = PictureLayerTiling::TilingEvictionTileIterator(tiling.get(),
+                                                      SMOOTHNESS_TAKES_PRIORITY,
+                                                      PictureLayerTiling::SOON,
+                                                      true,
+                                                      true);
   EXPECT_TRUE(it);
   for (; it; ++it) {
     Tile* tile = *it;
     EXPECT_TRUE(tile);
     EXPECT_EQ(TilePriority::SOON, tile->priority(ACTIVE_TREE).priority_bin);
     EXPECT_FALSE(tile->required_for_activation());
     eviction_tiles.insert(tile);
   }
 
-  it = PictureLayerTiling::TilingEvictionTileIterator(
-      tiling.get(), SMOOTHNESS_TAKES_PRIORITY, PictureLayerTiling::NOW);
+  it = PictureLayerTiling::TilingEvictionTileIterator(tiling.get(),
+                                                      SMOOTHNESS_TAKES_PRIORITY,
+                                                      PictureLayerTiling::NOW,
+                                                      true,
+                                                      true);
   EXPECT_TRUE(it);
   for (; it; ++it) {
     Tile* tile = *it;
     EXPECT_TRUE(tile);
     EXPECT_EQ(TilePriority::NOW, tile->priority(ACTIVE_TREE).priority_bin);
     EXPECT_FALSE(tile->required_for_activation());
     eviction_tiles.insert(tile);
   }
 
   it = PictureLayerTiling::TilingEvictionTileIterator(
       tiling.get(),
       SMOOTHNESS_TAKES_PRIORITY,
-      PictureLayerTiling::NOW_AND_REQUIRED_FOR_ACTIVATION);
+      PictureLayerTiling::NOW_AND_REQUIRED_FOR_ACTIVATION,
+      true,
+      true);
   EXPECT_FALSE(it);
 
   EXPECT_GT(all_tiles_set.size(), 0u);
   EXPECT_EQ(all_tiles_set, eviction_tiles);
 
   EXPECT_TRUE(tiling->eviction_tiles_cache_valid());
   tiling->RemoveTileAt(0, 0, nullptr);
   EXPECT_FALSE(tiling->eviction_tiles_cache_valid());
 }
 
@@ skipping 815 matching lines @@
   EXPECT_EQ(active_tiling->TileAt(0, 0), recycle_tiling->TileAt(0, 0));
 
   // Reset the active tiling. The recycle tiles should be released too.
   active_tiling->Reset();
   EXPECT_FALSE(active_tiling->TileAt(0, 0));
   EXPECT_FALSE(recycle_tiling->TileAt(0, 0));
 }
 
 }  // namespace
 }  // namespace cc