Deletion/ownership

mojo/examples/sample_view_manager_app/sample_view_manager_app.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 "base/at_exit.h"
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/message_loop/message_loop.h"
 #include "mojo/public/cpp/environment/environment.h"
 #include "mojo/public/cpp/shell/application.h"
@@ skipping 14 matching lines @@
 #endif
 
 namespace mojo {
 namespace examples {
 
 class SampleApp : public Application {
  public:
   explicit SampleApp(MojoHandle shell_handle)
       : Application(shell_handle) {
     view_manager_.reset(new services::view_manager::ViewManager(shell()));
-    node_1_.reset(
-        new services::view_manager::ViewTreeNode(view_manager_.get()));
-    node_11_.reset(
-      new services::view_manager::ViewTreeNode(view_manager_.get()));
-    node_1_->AddChild(node_11_.get());
+    view_manager_->Init();
+    services::view_manager::ViewTreeNode* node1 =
+        services::view_manager::ViewTreeNode::Create(view_manager_.get());
+    services::view_manager::ViewTreeNode* node11 =
+        services::view_manager::ViewTreeNode::Create(view_manager_.get());
+    node1->AddChild(node11);
   }
 
   virtual ~SampleApp() {
   }
 
  private:
   // SampleApp creates a ViewManager and a trivial node hierarchy.
   scoped_ptr<services::view_manager::ViewManager> view_manager_;
-  scoped_ptr<services::view_manager::ViewTreeNode> node_1_;
-  scoped_ptr<services::view_manager::ViewTreeNode> node_11_;
 
   DISALLOW_COPY_AND_ASSIGN(SampleApp);
 };
 
 }  // namespace examples
 }  // namespace mojo
 
 extern "C" SAMPLE_APP_EXPORT MojoResult CDECL MojoMain(
     MojoHandle shell_handle) {
   base::MessageLoop loop;
 
   mojo::examples::SampleApp app(shell_handle);
   loop.Run();
   return MOJO_RESULT_OK;
 }