mandoline: write this after lunch.

mandoline/ui/omnibox/omnibox_application.h

 // Copyright 2015 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.
 
 #ifndef MANDOLINE_UI_OMNIBOX_OMNIBOX_APPLICATION_H_
 #define MANDOLINE_UI_OMNIBOX_OMNIBOX_APPLICATION_H_
 
 #include "base/macros.h"
 #include "mandoline/ui/desktop_ui/public/interfaces/omnibox.mojom.h"
 #include "mojo/application/public/cpp/application_delegate.h"
 #include "mojo/application/public/cpp/interface_factory.h"
+#include "mojo/services/tracing/public/cpp/tracing_impl.h"
 
 namespace mojo {
 class ApplicationImpl;
 }
 
 namespace mandoline {
 
 class OmniboxApplication : public mojo::ApplicationDelegate,
                            public mojo::InterfaceFactory<Omnibox> {
  public:
   OmniboxApplication();
   ~OmniboxApplication() override;
 
  private:
   // Overridden from mojo::ApplicationDelegate:
   void Initialize(mojo::ApplicationImpl* app) override;
   bool ConfigureIncomingConnection(
       mojo::ApplicationConnection* connection) override;
 
   // Overridden from mojo::InterfaceFactory<Omnibox>:
   void Create(mojo::ApplicationConnection* connection,
               mojo::InterfaceRequest<Omnibox> request) override;
 
   mojo::ApplicationImpl* app_;
+  mojo::TracingImpl tracing_;
 
   DISALLOW_COPY_AND_ASSIGN(OmniboxApplication);
 };
 
 }  // namespace mandoline
 
 #endif  // MANDOLINE_UI_OMNIBOX_OMNIBOX_APPLICATION_H_