cc : Add subtree is hidden bool to effect tree

cc/trees/layer_tree_host_unittest.cc

Index: cc/trees/layer_tree_host_unittest.cc
diff --git a/cc/trees/layer_tree_host_unittest.cc b/cc/trees/layer_tree_host_unittest.cc
index 64ad1f8bec72c702e6da5cfa9756c6f04581fc6e..d7be4419004d806691b2a9158af0d6848492cba3 100644
--- a/cc/trees/layer_tree_host_unittest.cc
+++ b/cc/trees/layer_tree_host_unittest.cc
@@ -650,6 +650,8 @@ class LayerTreeHostTestPushPropertiesTo : public LayerTreeHostTest {
   }
 
   void VerifyAfterValues(LayerImpl* layer) {
+    EffectTree& tree = layer->layer_tree_impl()->property_trees()->effect_tree;
+    EffectNode* node = tree.Node(layer->effect_tree_index());
     switch (static_cast<Properties>(index_)) {
       case STARTUP:
       case DONE:
@@ -658,7 +660,7 @@ class LayerTreeHostTestPushPropertiesTo : public LayerTreeHostTest {
         EXPECT_EQ(gfx::Size(20, 20).ToString(), layer->bounds().ToString());
         break;
       case HIDE_LAYER_AND_SUBTREE:
-        EXPECT_TRUE(layer->hide_layer_and_subtree());
+        EXPECT_EQ(tree.EffectiveOpacity(node), 0.f);
         break;
       case DRAWS_CONTENT:
         EXPECT_TRUE(layer->DrawsContent());