Delete the tracing service

services/tracing/public/cpp/switches.h

Index: services/tracing/public/cpp/switches.h
diff --git a/services/tracing/public/cpp/switches.h b/services/tracing/public/cpp/switches.h
deleted file mode 100644
index b127d566a850816bfe8a565e3260142dd9007e68..0000000000000000000000000000000000000000
--- a/services/tracing/public/cpp/switches.h
+++ /dev/null
@@ -1,24 +0,0 @@
-// Copyright 2015 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 SERVICES_TRACING_PUBLIC_CPP_SWITCHES_H_
-#define SERVICES_TRACING_PUBLIC_CPP_SWITCHES_H_
-
-namespace tracing {
-
-// All switches in alphabetical order. The switches should be documented
-// alongside the definition of their values in the .cc file.
-extern const char kEnableStatsCollectionBindings[];
-
-extern const char kTraceStartup[];
-
-#ifdef NDEBUG
-// In release builds, specifying this flag will force reporting of tracing
-// before the main Application is initialized.
-extern const char kEarlyTracing[];
-#endif
-
-}  // namespace tracing
-
-#endif  // SERVICES_TRACING_PUBLIC_CPP_SWITCHES_H_