Update from https://crrev.com/302630

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 2952c6a22931c6af20928e6a9fdc0c03a819b841..f793097b7f4b95d0f496b42173add394aa302305 100644
--- a/cc/resources/picture_layer_tiling_unittest.cc
+++ b/cc/resources/picture_layer_tiling_unittest.cc
@@ -1346,6 +1346,13 @@ TEST(PictureLayerTilingTest, TilingEvictionTileIteratorStaticViewport) {
   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) {