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

mojo/shell/shell_impl.h

Index: mojo/shell/shell_impl.h
diff --git a/mojo/shell/application_manager/shell_impl.h b/mojo/shell/shell_impl.h
similarity index 90%
rename from mojo/shell/application_manager/shell_impl.h
rename to mojo/shell/shell_impl.h
index ef557a6310bb7eb333ea2746bc71f305288acc08..cf8be59d821333b6b12b23d117396299d1672686 100644
--- a/mojo/shell/application_manager/shell_impl.h
+++ b/mojo/shell/shell_impl.h
@@ -2,15 +2,15 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef SHELL_APPLICATION_MANAGER_SHELL_IMPL_H_
-#define SHELL_APPLICATION_MANAGER_SHELL_IMPL_H_
+#ifndef MOJO_SHELL_SHELL_IMPL_H_
+#define MOJO_SHELL_SHELL_IMPL_H_
 
 #include "base/callback.h"
 #include "mojo/public/cpp/bindings/binding.h"
 #include "mojo/public/cpp/bindings/error_handler.h"
 #include "mojo/public/interfaces/application/application.mojom.h"
 #include "mojo/public/interfaces/application/shell.mojom.h"
-#include "mojo/shell/application_manager/identity.h"
+#include "mojo/shell/identity.h"
 #include "url/gurl.h"
 
 namespace mojo {
@@ -59,4 +59,4 @@ class ShellImpl : public Shell, public ErrorHandler {
 }  // namespace shell
 }  // namespace mojo
 
-#endif  // SHELL_APPLICATION_MANAGER_SHELL_IMPL_H_
+#endif  // MOJO_SHELL_SHELL_IMPL_H_