Revert 269414 "Changes to deletion/ownership of nodes in the cli..."

trunk/src/mojo/services/public/cpp/view_manager/lib/view_manager_private.cc

Index: trunk/src/mojo/services/public/cpp/view_manager/lib/view_manager_private.cc
===================================================================
--- trunk/src/mojo/services/public/cpp/view_manager/lib/view_manager_private.cc	(revision 269420)
+++ trunk/src/mojo/services/public/cpp/view_manager/lib/view_manager_private.cc	(working copy)
@@ -12,16 +12,10 @@
     : manager_(manager) {}
 ViewManagerPrivate::~ViewManagerPrivate() {}
 
-void ViewManagerPrivate::AddNode(TransportNodeId node_id, ViewTreeNode* node) {
-  manager_->nodes_[node_id] = node;
+void ViewManagerPrivate::SetRoot(ViewTreeNode* root) {
+  manager_->tree_.reset(root);
 }
 
-void ViewManagerPrivate::RemoveNode(TransportNodeId node_id) {
-  ViewManager::IdToNodeMap::iterator it = manager_->nodes_.find(node_id);
-  if (it != manager_->nodes_.end())
-    manager_->nodes_.erase(it);
-}
-
 }  // namespace view_manager
 }  // namespace services
 }  // namespace mojo