Update view manager to support content handling.

mojo/services/view_manager/root_node_manager.h

Index: mojo/services/view_manager/root_node_manager.h
diff --git a/mojo/services/view_manager/root_node_manager.h b/mojo/services/view_manager/root_node_manager.h
index 2977dc4714b490c2e1de54e1f082c04ee8977dda..9a295c2570b7b4545e264ae726719469f80f371b 100644
--- a/mojo/services/view_manager/root_node_manager.h
+++ b/mojo/services/view_manager/root_node_manager.h
@@ -112,10 +112,6 @@ class MOJO_VIEW_MANAGER_EXPORT RootNodeManager
   // Returns true if OnConnectionMessagedClient() was invoked for id.
   bool DidConnectionMessageClient(ConnectionSpecificId id) const;
 
-  ViewManagerServiceImpl* GetConnectionByCreator(
-      ConnectionSpecificId creator_id,
-      const std::string& url) const;
-
   // Returns the ViewManagerServiceImpl that has |id| as a root.
   ViewManagerServiceImpl* GetConnectionWithRoot(const NodeId& id) {
     return const_cast<ViewManagerServiceImpl*>(