cc: Implement geometry-based tile eviction

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 b982dc195f2d41b334873a79d50a0bd12e35fedb..815ff995bdbbd6f706d4b3220f23acceeea0a925 100644
--- a/cc/resources/picture_layer_tiling_unittest.cc
+++ b/cc/resources/picture_layer_tiling_unittest.cc
@@ -62,9 +62,6 @@ class TestablePictureLayerTiling : public PictureLayerTiling {
   }
 
   gfx::Rect live_tiles_rect() const { return live_tiles_rect_; }
-  bool eviction_tiles_cache_valid() const {
-    return eviction_tiles_cache_valid_;
-  }
 
   using PictureLayerTiling::ComputeSkewport;
   using PictureLayerTiling::RemoveTileAt;
@@ -1274,7 +1271,7 @@ TEST(PictureLayerTilingTest, TilingEvictionTileIteratorStaticViewport) {
   std::vector<Tile*> all_tiles = tiling->AllTilesForTesting();
 
   PictureLayerTiling::TilingEvictionTileIterator it(
-      tiling.get(), SMOOTHNESS_TAKES_PRIORITY, PictureLayerTiling::NOW);
+      tiling.get(), SMOOTHNESS_TAKES_PRIORITY, PictureLayerTiling::NOW, false);
 
   // Tiles don't have resources to evict.
   EXPECT_FALSE(it);
@@ -1289,7 +1286,8 @@ TEST(PictureLayerTilingTest, TilingEvictionTileIteratorStaticViewport) {
   std::set<Tile*> eviction_tiles;
 
   it = PictureLayerTiling::TilingEvictionTileIterator(
-      tiling.get(), SMOOTHNESS_TAKES_PRIORITY, PictureLayerTiling::EVENTUALLY);
+      tiling.get(), SMOOTHNESS_TAKES_PRIORITY, PictureLayerTiling::EVENTUALLY,
+      false);
   EXPECT_TRUE(it);
   for (; it; ++it) {
     Tile* tile = *it;
@@ -1301,7 +1299,7 @@ TEST(PictureLayerTilingTest, TilingEvictionTileIteratorStaticViewport) {
   }
 
   it = PictureLayerTiling::TilingEvictionTileIterator(
-      tiling.get(), SMOOTHNESS_TAKES_PRIORITY, PictureLayerTiling::SOON);
+      tiling.get(), SMOOTHNESS_TAKES_PRIORITY, PictureLayerTiling::SOON, false);
   EXPECT_TRUE(it);
   for (; it; ++it) {
     Tile* tile = *it;
@@ -1312,7 +1310,7 @@ TEST(PictureLayerTilingTest, TilingEvictionTileIteratorStaticViewport) {
   }
 
   it = PictureLayerTiling::TilingEvictionTileIterator(
-      tiling.get(), SMOOTHNESS_TAKES_PRIORITY, PictureLayerTiling::NOW);
+      tiling.get(), SMOOTHNESS_TAKES_PRIORITY, PictureLayerTiling::NOW, false);
   EXPECT_TRUE(it);
   for (; it; ++it) {
     Tile* tile = *it;
@@ -1323,24 +1321,12 @@ TEST(PictureLayerTilingTest, TilingEvictionTileIteratorStaticViewport) {
   }
 
   it = PictureLayerTiling::TilingEvictionTileIterator(
-      tiling.get(),
-      SMOOTHNESS_TAKES_PRIORITY,
-      PictureLayerTiling::NOW_AND_REQUIRED_FOR_ACTIVATION);
+      tiling.get(), SMOOTHNESS_TAKES_PRIORITY,
+      PictureLayerTiling::NOW_AND_REQUIRED_FOR_ACTIVATION, false);
   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());
-
-  it = PictureLayerTiling::TilingEvictionTileIterator(
-      tiling.get(), SMOOTHNESS_TAKES_PRIORITY,
-      PictureLayerTiling::NOW_AND_REQUIRED_FOR_ACTIVATION);
-  EXPECT_TRUE(tiling->eviction_tiles_cache_valid());
-  tiling->Reset();
-  EXPECT_FALSE(tiling->eviction_tiles_cache_valid());
 }
 
 TEST_F(PictureLayerTilingIteratorTest, TilesExist) {