Separate mojo/shell into a runner and the application manager (shell)

mojo/runner/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_CHILD_PROCESS_HOST_H_
-#define SHELL_CHILD_PROCESS_HOST_H_
+#ifndef MOJO_RUNNER_CHILD_PROCESS_HOST_H_
+#define MOJO_RUNNER_CHILD_PROCESS_HOST_H_
 
 #include "base/macros.h"
 #include "base/process/process.h"
 #include "mojo/edk/embedder/channel_info_forward.h"
 #include "mojo/edk/embedder/platform_channel_pair.h"
 #include "mojo/edk/embedder/scoped_platform_handle.h"
-#include "mojo/shell/child_process.mojom.h"
-#include "mojo/shell/child_process_host.h"
+#include "mojo/runner/child_process.mojom.h"
+#include "mojo/runner/child_process_host.h"
 
 namespace mojo {
 namespace shell {
 
 class Context;
 
 // This class represents a "child process host". Handles launching and
 // connecting a platform-specific "pipe" to the child, and supports joining the
 // child process. Currently runs a single app (loaded from the file system).
 //
@@ skipping 51 matching lines @@
   // Platform-specific "pipe" to the child process. Valid immediately after
   // creation.
   embedder::ScopedPlatformHandle platform_channel_;
 
   DISALLOW_COPY_AND_ASSIGN(ChildProcessHost);
 };
 
 }  // namespace shell
 }  // namespace mojo
 
-#endif  // SHELL_CHILD_PROCESS_HOST_H_
+#endif  // MOJO_RUNNER_CHILD_PROCESS_HOST_H_