Move runner stuff into a runner namespace.

mojo/shell/native_runner.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 MOJO_SHELL_NATIVE_RUNNER_H_
 #define MOJO_SHELL_NATIVE_RUNNER_H_
 
 #include "base/callback_forward.h"
 #include "base/memory/scoped_ptr.h"
 #include "mojo/public/cpp/bindings/interface_request.h"
 #include "mojo/public/interfaces/application/application.mojom.h"
-#include "mojo/runner/native_application_support.h"
 
 namespace base {
 class FilePath;
 }
 
 namespace mojo {
 namespace shell {
 
+enum class NativeApplicationCleanup { DELETE, DONT_DELETE };
+
 // ApplicationManager requires implementations of NativeRunner and
 // NativeRunnerFactory to run native applications.
 class NativeRunner {
  public:
   virtual ~NativeRunner() {}
 
   // Loads the app in the file at |app_path| and runs it on some other
   // thread/process. If |cleanup| is |DELETE|, this takes ownership of the file.
   // |app_completed_callback| is posted (to the thread on which |Start()| was
   // called) after |MojoMain()| completes.
@@ skipping 18 matching lines @@
   };
 
   virtual ~NativeRunnerFactory() {}
   virtual scoped_ptr<NativeRunner> Create(const Options& options) = 0;
 };
 
 }  // namespace shell
 }  // namespace mojo
 
 #endif  // MOJO_SHELL_NATIVE_RUNNER_H_