Add ui devtools server

components/ui_devtools/switches.h

Index: components/ui_devtools/switches.h
diff --git a/ui/ozone/platform/drm/gpu/inter_thread_messaging_proxy.cc b/components/ui_devtools/switches.h
similarity index 52%
copy from ui/ozone/platform/drm/gpu/inter_thread_messaging_proxy.cc
copy to components/ui_devtools/switches.h
index fd909c29a8bdf280c2367e718e727f22d87be06f..a532bb1d0895448974d10127c554d20ddf146c82 100644
--- a/ui/ozone/platform/drm/gpu/inter_thread_messaging_proxy.cc
+++ b/components/ui_devtools/switches.h
@@ -2,10 +2,15 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "ui/ozone/platform/drm/gpu/inter_thread_messaging_proxy.h"
+#ifndef UI_DEVTOOLS_SWITCHES_H_
+#define UI_DEVTOOLS_SWITCHES_H_
 
 namespace ui {
+namespace devtools {
 
-InterThreadMessagingProxy::~InterThreadMessagingProxy() {}
+extern const char kEnableUiDevTools[];
 
+}  // namespace devtools
 }  // namespace ui
+
+#endif  // UI_DEVTOOLS_SWITCHES_H_