Compute if a layer is drawn without LayerTree hierarchy

cc/layers/layer_unittest.cc

Index: cc/layers/layer_unittest.cc
diff --git a/cc/layers/layer_unittest.cc b/cc/layers/layer_unittest.cc
index f73cb2543cc638a8c0a3bd027c94032d3588bcb1..f7ddb21a87dfc007f1a687d2a283a6b12b9639b9 100644
--- a/cc/layers/layer_unittest.cc
+++ b/cc/layers/layer_unittest.cc
@@ -128,7 +128,6 @@ class LayerSerializationTest : public testing::Test {
               dest->offset_to_transform_parent_);
     EXPECT_EQ(src->double_sided_, dest->double_sided_);
     EXPECT_EQ(src->draws_content_, dest->draws_content_);
-    EXPECT_EQ(src->hide_layer_and_subtree_, dest->hide_layer_and_subtree_);
     EXPECT_EQ(src->has_render_surface_, dest->has_render_surface_);
     EXPECT_EQ(src->masks_to_bounds_, dest->masks_to_bounds_);
     EXPECT_EQ(src->should_scroll_on_main_thread_,
@@ -246,7 +245,6 @@ class LayerSerializationTest : public testing::Test {
     layer->offset_to_transform_parent_ = gfx::Vector2dF(3.14f, 1.618f);
     layer->double_sided_ = true;
     layer->draws_content_ = true;
-    layer->hide_layer_and_subtree_ = false;
     layer->has_render_surface_ = false;
     layer->masks_to_bounds_ = true;
     layer->should_scroll_on_main_thread_ = false;
@@ -296,7 +294,6 @@ class LayerSerializationTest : public testing::Test {
     layer->offset_to_transform_parent_ = gfx::Vector2dF(3.14f, 1.618f);
     layer->double_sided_ = !layer->double_sided_;
     layer->draws_content_ = !layer->draws_content_;
-    layer->hide_layer_and_subtree_ = !layer->hide_layer_and_subtree_;
     layer->has_render_surface_ = !layer->has_render_surface_;
     layer->masks_to_bounds_ = !layer->masks_to_bounds_;
     layer->should_scroll_on_main_thread_ =
@@ -978,7 +975,6 @@ TEST_F(LayerTest, CheckPropertyChangeCausesCorrectBehavior) {
   EXPECT_SET_NEEDS_COMMIT(1, test_layer->SetTouchEventHandlerRegion(
       gfx::Rect(10, 10)));
   EXPECT_SET_NEEDS_COMMIT(1, test_layer->SetForceRenderSurface(true));
-  EXPECT_SET_NEEDS_COMMIT(1, test_layer->SetHideLayerAndSubtree(true));
   EXPECT_SET_NEEDS_COMMIT(1, test_layer->SetElementId(2));
   EXPECT_SET_NEEDS_COMMIT(
       1, test_layer->SetMutableProperties(kMutablePropertyTransform));