LayoutTree machinery

tracing/tracing/extras/chrome/frame_tree_node.html

Index: tracing/tracing/extras/chrome/frame_tree_node.html
diff --git a/tracing/tracing/extras/chrome/frame_tree_node.html b/tracing/tracing/extras/chrome/frame_tree_node.html
index dde8fc28d1f8bc6a061fa07169cf7f27660fe872..a984319908456768f19bf159039b8e7272423be8 100644
--- a/tracing/tracing/extras/chrome/frame_tree_node.html
+++ b/tracing/tracing/extras/chrome/frame_tree_node.html
@@ -29,6 +29,10 @@ tr.exportTo('tr.e.chrome', function() {
     initialize: function() {
     },
 
+    get renderFrameSnapshot() {
+      // TODO
+    },
+
     get userFriendlyName() {
       return 'FrameTreeNode';
     }
@@ -43,7 +47,11 @@ tr.exportTo('tr.e.chrome', function() {
   }
 
   FrameTreeNodeInstance.prototype = {
-    __proto__: ObjectInstance.prototype
+    __proto__: ObjectInstance.prototype,
+
+    get renderFrameInstance() {
+      // TODO
+    }
   };
 
   ObjectInstance.register(