Consolidates view_manager typedefs

mojo/services/public/cpp/view_manager/lib/view_manager_private.h

Index: mojo/services/public/cpp/view_manager/lib/view_manager_private.h
diff --git a/mojo/services/public/cpp/view_manager/lib/view_manager_private.h b/mojo/services/public/cpp/view_manager/lib/view_manager_private.h
index ff09c158396144f1a7bf645541fbeed6c8d4975e..e96d83a57541bafb25d17c1f79e1375a919fa1f0 100644
--- a/mojo/services/public/cpp/view_manager/lib/view_manager_private.h
+++ b/mojo/services/public/cpp/view_manager/lib/view_manager_private.h
@@ -29,11 +29,11 @@ class ViewManagerPrivate {
   void AddRoot(ViewTreeNode* root);
   void RemoveRoot(ViewTreeNode* root);
 
-  void AddNode(TransportNodeId node_id, ViewTreeNode* node);
-  void RemoveNode(TransportNodeId node_id);
+  void AddNode(Id node_id, ViewTreeNode* node);
+  void RemoveNode(Id node_id);
 
-  void AddView(TransportViewId view_id, View* view);
-  void RemoveView(TransportViewId view_id);
+  void AddView(Id view_id, View* view);
+  void RemoveView(Id view_id);
 
   // Returns true if the ViewManager's synchronizer is connected to the service.
   bool connected() { return manager_->synchronizer_->connected(); }