Trigger Node destruction notifications from Node's dtor

mojo/services/view_manager/view_manager_unittest.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <string>
 #include <vector>
 
 #include "base/at_exit.h"
 #include "base/auto_reset.h"
 #include "base/bind.h"
@@ skipping 397 matching lines @@
 
 // Callback from EmbedRoot(). |result| is the result of the
 // Embed() call and |run_loop| the nested RunLoop.
 void EmbedRootCallback(bool* result_cache,
                        base::RunLoop* run_loop,
                        bool result) {
   *result_cache = result;
   run_loop->Quit();
 }
 
-// Resposible for establishing the initial ViewManagerService connection. Blocks
-// until result is determined.
+// Responsible for establishing the initial ViewManagerService connection.
+// Blocks until result is determined.
 bool EmbedRoot(ViewManagerInitService* view_manager_init,
                const std::string& url) {
   bool result = false;
   base::RunLoop run_loop;
   view_manager_init->EmbedRoot(url, base::Bind(&EmbedRootCallback,
                                                &result, &run_loop));
   run_loop.Run();
   return result;
 }
 
@@ skipping 946 matching lines @@
 // originating connection.
 
 // TODO(beng): Add tests for focus:
 // - focus between two nodes known to a connection
 // - focus between nodes unknown to one of the connections.
 // - focus between nodes unknown to either connection.
 
 }  // namespace service
 }  // namespace view_manager
 }  // namespace mojo