Add a "native_support" service.

services/native_support/process_impl.h

Index: services/native_support/process_impl.h
diff --git a/services/native_support/process_impl.h b/services/native_support/process_impl.h
new file mode 100644
index 0000000000000000000000000000000000000000..dca0b70fe33f25b00bdda31959911050c2947606
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+++ b/services/native_support/process_impl.h
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+// 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 SERVICES_NATIVE_SUPPORT_PROCESS_IMPL_H_
+#define SERVICES_NATIVE_SUPPORT_PROCESS_IMPL_H_
+
+#include <memory>
+#include <vector>
+
+#include "base/macros.h"
+#include "base/memory/ref_counted.h"
+#include "base/task_runner.h"
+#include "mojo/public/cpp/bindings/interface_request.h"
+#include "mojo/public/cpp/bindings/strong_binding.h"
+#include "mojo/services/native_support/public/interfaces/process.mojom.h"
+
+namespace mojo {
+class ApplicationConnection;
+}
+
+namespace native_support {
+
+class ProcessIORedirection;
+
+class ProcessImpl : public Process {
+ public:
+  ProcessImpl(scoped_refptr<base::TaskRunner> worker_runner,
+              mojo::ApplicationConnection* connection,
+              mojo::InterfaceRequest<Process> request);
+  ~ProcessImpl() override;
+
+  // |Process| implementation:
+  void Spawn(const mojo::String& path,
+             mojo::Array<mojo::String> argv,
+             mojo::Array<mojo::String> envp,
+             mojo::files::FilePtr stdin_file,
+             mojo::files::FilePtr stdout_file,
+             mojo::files::FilePtr stderr_file,
+             mojo::InterfaceRequest<ProcessController> process_controller,
+             const SpawnCallback& callback) override;
+  void SpawnWithTerminal(
+      const mojo::String& path,
+      mojo::Array<mojo::String> argv,
+      mojo::Array<mojo::String> envp,
+      mojo::files::FilePtr terminal_file,
+      mojo::InterfaceRequest<ProcessController> process_controller,
+      const SpawnWithTerminalCallback& callback) override;
+
+ private:
+  // Note: We take advantage of the fact that |SpawnCallback| and
+  // |SpawnWithTerminalCallback| are the same.
+  void SpawnImpl(const mojo::String& path,
+                 mojo::Array<mojo::String> argv,
+                 mojo::Array<mojo::String> envp,
+                 std::unique_ptr<ProcessIORedirection> process_io_redirection,
+                 const std::vector<int>& fds_to_inherit,
+                 mojo::InterfaceRequest<ProcessController> process_controller,
+                 const SpawnCallback& callback);
+
+  scoped_refptr<base::TaskRunner> worker_runner_;
+  mojo::StrongBinding<Process> binding_;
+
+  DISALLOW_COPY_AND_ASSIGN(ProcessImpl);
+};
+
+}  // namespace native_support
+
+#endif  // SERVICES_NATIVE_SUPPORT_PROCESS_IMPL_H_