Consolidates view_manager typedefs

mojo/services/public/cpp/view_manager/lib/view_manager.cc

Index: mojo/services/public/cpp/view_manager/lib/view_manager.cc
diff --git a/mojo/services/public/cpp/view_manager/lib/view_manager.cc b/mojo/services/public/cpp/view_manager/lib/view_manager.cc
index a090b7741ccafa63f20d78fceb38acc2761dd0be..d8d24aa41fad243a73b2d4b5e0feb0c4ec1d3b7e 100644
--- a/mojo/services/public/cpp/view_manager/lib/view_manager.cc
+++ b/mojo/services/public/cpp/view_manager/lib/view_manager.cc
@@ -41,12 +41,12 @@ void ViewManager::Create(Application* application,
   application->AddService<ViewManagerSynchronizer>(delegate);
 }
 
-ViewTreeNode* ViewManager::GetNodeById(TransportNodeId id) {
+ViewTreeNode* ViewManager::GetNodeById(Id id) {
   IdToNodeMap::const_iterator it = nodes_.find(id);
   return it != nodes_.end() ? it->second : NULL;
 }
 
-View* ViewManager::GetViewById(TransportViewId id) {
+View* ViewManager::GetViewById(Id id) {
   IdToViewMap::const_iterator it = views_.find(id);
   return it != views_.end() ? it->second : NULL;
 }