Delete the tracing service

services/tracing/public/cpp/switches.cc

Index: services/tracing/public/cpp/switches.cc
diff --git a/services/tracing/public/cpp/switches.cc b/services/tracing/public/cpp/switches.cc
deleted file mode 100644
index 279c890708d4683e9edf1747931d44431fa78157..0000000000000000000000000000000000000000
--- a/services/tracing/public/cpp/switches.cc
+++ /dev/null
@@ -1,22 +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.
-
-#include "services/tracing/public/cpp/switches.h"
-
-namespace tracing {
-
-// Specifies if the |StatsCollectionController| needs to be bound in html pages.
-// This binding happens on per-frame basis and hence can potentially be a
-// performance bottleneck. One should only enable it when running a test that
-// needs to access the provided statistics.
-const char kEnableStatsCollectionBindings[] =
-    "enable-stats-collection-bindings";
-
-const char kTraceStartup[] = "trace-startup";
-
-#ifdef NDEBUG
-const char kEarlyTracing[] = "early-tracing";
-#endif
-
-}  // namespace tracing