Update from https://crrev.com/317530

cc/trees/layer_tree_impl.h

Index: cc/trees/layer_tree_impl.h
diff --git a/cc/trees/layer_tree_impl.h b/cc/trees/layer_tree_impl.h
index 54c86604d3435edd63f9d5343787185d09307400..5935d29e77cac830e0d1d8269922be242ab4343d 100644
--- a/cc/trees/layer_tree_impl.h
+++ b/cc/trees/layer_tree_impl.h
@@ -87,6 +87,7 @@ class CC_EXPORT LayerTreeImpl {
   bool IsActiveTree() const;
   bool IsPendingTree() const;
   bool IsRecycleTree() const;
+  bool IsSyncTree() const;
   LayerImpl* FindActiveTreeLayerById(int id);
   LayerImpl* FindPendingTreeLayerById(int id);
   bool PinchGestureActive() const;
@@ -197,8 +198,9 @@ class CC_EXPORT LayerTreeImpl {
   }
 
   // Updates draw properties and render surface layer list, as well as tile
-  // priorities. Returns false if it was unable to update.
-  bool UpdateDrawProperties();
+  // priorities. Returns false if it was unable to update.  Updating lcd
+  // text may cause invalidations, so should only be done after a commit.
+  bool UpdateDrawProperties(bool update_lcd_text);
 
   void set_needs_update_draw_properties() {
     needs_update_draw_properties_ = true;