Update from https://crrev.com/303153

cc/resources/picture_pile_unittest.cc

Index: cc/resources/picture_pile_unittest.cc
diff --git a/cc/resources/picture_pile_unittest.cc b/cc/resources/picture_pile_unittest.cc
index 98415ca3969e3a2b76a778802eecd09da7a177e9..24bed3e64c0303e8ab5a4975d199e2ff40b0e6a2 100644
--- a/cc/resources/picture_pile_unittest.cc
+++ b/cc/resources/picture_pile_unittest.cc
@@ -1456,5 +1456,17 @@ TEST_F(PicturePileTest, NonSolidRectangleOnOffsettedLayerIsNonSolid) {
   EXPECT_FALSE(pile_.is_solid_color());
 }
 
+TEST_F(PicturePileTest, SetEmptyBounds) {
+  EXPECT_TRUE(pile_.is_solid_color());
+  EXPECT_FALSE(pile_.tiling_size().IsEmpty());
+  EXPECT_FALSE(pile_.picture_map().empty());
+  EXPECT_TRUE(pile_.HasRecordings());
+  pile_.SetEmptyBounds();
+  EXPECT_FALSE(pile_.is_solid_color());
+  EXPECT_TRUE(pile_.tiling_size().IsEmpty());
+  EXPECT_TRUE(pile_.picture_map().empty());
+  EXPECT_FALSE(pile_.HasRecordings());
+}
+
 }  // namespace
 }  // namespace cc