Get mojo_shell building inside chromium checkout.

mojo/shell/app_child_process_host.h

+// 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.
+
+#ifndef SHELL_APP_CHILD_PROCESS_HOST_H_
+#define SHELL_APP_CHILD_PROCESS_HOST_H_
+
+#include <stdint.h>
+
+#include "base/macros.h"
+#include "mojo/edk/embedder/channel_info_forward.h"
+#include "mojo/shell/app_child_process.mojom.h"
+#include "mojo/shell/child_process_host.h"
+
+namespace mojo {
+namespace shell {
+
+// A subclass of |ChildProcessHost| to host an app child process, which runs a
+// single app (loaded from the file system).
+//
+// Note: After |Start()|, |StartApp| must be called and this object must
+// remained alive until the |on_app_complete| callback is called.
+class AppChildProcessHost : public ChildProcessHost {
+ public:
+  explicit AppChildProcessHost(Context* context);
+  ~AppChildProcessHost() override;
+
+  // See |AppChildController|:
+  void StartApp(const String& app_path,
+                bool clean_app_path,
+                InterfaceRequest<Application> application_request,
+                const AppChildController::StartAppCallback& on_app_complete);
+  void ExitNow(int32_t exit_code);
+
+  // |ChildProcessHost| methods:
+  void WillStart() override;
+  void DidStart(bool success) override;
+
+ private:
+  // Callback for |embedder::CreateChannel()|.
+  void DidCreateChannel(embedder::ChannelInfo* channel_info);
+
+  void AppCompleted(int32_t result);
+
+  AppChildControllerPtr controller_;
+  embedder::ChannelInfo* channel_info_;
+  AppChildController::StartAppCallback on_app_complete_;
+
+  DISALLOW_COPY_AND_ASSIGN(AppChildProcessHost);
+};
+
+}  // namespace shell
+}  // namespace mojo
+
+#endif  // SHELL_APP_CHILD_PROCESS_HOST_H_