Adds ability for chrome to behave as mojo_runner

mojo/shell/runner/host/command_line_switch.h

Index: mojo/shell/runner/host/command_line_switch.h
diff --git a/mojo/shell/runner/host/command_line_switch.h b/mojo/shell/runner/host/command_line_switch.h
deleted file mode 100644
index 8e5224e220becc2a026315f212c3ffa7e6fd5d07..0000000000000000000000000000000000000000
--- a/mojo/shell/runner/host/command_line_switch.h
+++ /dev/null
@@ -1,25 +0,0 @@
-// Copyright 2016 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 MOJO_SHELL_RUNNER_HOST_COMMAND_LINE_SWITCH_H_
-#define MOJO_SHELL_RUNNER_HOST_COMMAND_LINE_SWITCH_H_
-
-#include <string>
-
-namespace mojo {
-namespace shell {
-
-struct CommandLineSwitch {
-  CommandLineSwitch() : is_switch(true) {}
-
-  // If false only the key is used and the switch is treated as a single value.
-  bool is_switch;
-  std::string key;
-  std::string value;
-};
-
-}  // namespace shell
-}  // namespace mojo
-
-#endif  // MOJO_SHELL_RUNNER_HOST_COMMAND_LINE_SWITCH_H_