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diff --git a/mojo/shell/application_manager/native_runner.h b/mojo/shell/application_manager/native_runner.h
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+++ b/mojo/shell/application_manager/native_runner.h
@@ -0,0 +1,58 @@
+// 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 SHELL_APPLICATION_MANAGER_NATIVE_RUNNER_H_
+#define SHELL_APPLICATION_MANAGER_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/shell/native_application_support.h"
+
+namespace base {
+class FilePath;
+}
+
+namespace mojo {
+namespace shell {
+
+// 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.
+  // TODO(vtl): |app_path| and |cleanup| should probably be moved to the
+  // factory's Create(). Rationale: The factory may need information from the
+  // file to decide what kind of NativeRunner to make.
+  virtual void Start(const base::FilePath& app_path,
+                     NativeApplicationCleanup cleanup,
+                     InterfaceRequest<Application> application_request,
+                     const base::Closure& app_completed_callback) = 0;
+};
+
+class NativeRunnerFactory {
+ public:
+  // Options for running the native app. (This will contain, e.g., information
+  // about the sandbox profile, etc.)
+  struct Options {
+    // Constructs with default options.
+    Options() : force_in_process(false) {}
+
+    bool force_in_process;
+  };
+
+  virtual ~NativeRunnerFactory() {}
+  virtual scoped_ptr<NativeRunner> Create(const Options& options) = 0;
+};
+
+}  // namespace shell
+}  // namespace mojo
+
+#endif  // SHELL_APPLICATION_MANAGER_NATIVE_RUNNER_H_