tracing: restructure to the components/tracing folder

components/tracing/tracing_switches.cc

Index: components/tracing/tracing_switches.cc
diff --git a/components/tracing/tracing_switches.cc b/components/tracing/tracing_switches.cc
deleted file mode 100644
index f33307199b171f0df83a5c95a8891d1c8ecfaf5f..0000000000000000000000000000000000000000
--- a/components/tracing/tracing_switches.cc
+++ /dev/null
@@ -1,55 +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 "components/tracing/tracing_switches.h"
-
-namespace switches {
-
-// Causes TRACE_EVENT flags to be recorded from startup.
-// This flag will be ignored if --trace-startup or --trace-shutdown is provided.
-const char kTraceConfigFile[]               = "trace-config-file";
-
-// Causes TRACE_EVENT flags to be recorded beginning with shutdown. Optionally,
-// can specify the specific trace categories to include (e.g.
-// --trace-shutdown=base,net) otherwise, all events are recorded.
-// --trace-shutdown-file can be used to control where the trace log gets stored
-// to since there is otherwise no way to access the result.
-const char kTraceShutdown[]                 = "trace-shutdown";
-
-// If supplied, sets the file which shutdown tracing will be stored into, if
-// omitted the default will be used "chrometrace.log" in the current directory.
-// Has no effect unless --trace-shutdown is also supplied.
-// Example: --trace-shutdown --trace-shutdown-file=/tmp/trace_event.log
-const char kTraceShutdownFile[]             = "trace-shutdown-file";
-
-// Causes TRACE_EVENT flags to be recorded from startup. Optionally, can
-// specify the specific trace categories to include (e.g.
-// --trace-startup=base,net) otherwise, all events are recorded. Setting this
-// flag results in the first call to BeginTracing() to receive all trace events
-// since startup. In Chrome, you may find --trace-startup-file and
-// --trace-startup-duration to control the auto-saving of the trace (not
-// supported in the base-only TraceLog component).
-const char kTraceStartup[]                  = "trace-startup";
-
-// Sets the time in seconds until startup tracing ends. If omitted a default of
-// 5 seconds is used. Has no effect without --trace-startup, or if
-// --startup-trace-file=none was supplied.
-const char kTraceStartupDuration[]          = "trace-startup-duration";
-
-// If supplied, sets the file which startup tracing will be stored into, if
-// omitted the default will be used "chrometrace.log" in the current directory.
-// Has no effect unless --trace-startup is also supplied.
-// Example: --trace-startup --trace-startup-file=/tmp/trace_event.log
-// As a special case, can be set to 'none' - this disables automatically saving
-// the result to a file and the first manually recorded trace will then receive
-// all events since startup.
-const char kTraceStartupFile[]              = "trace-startup-file";
-
-// Sends a pretty-printed version of tracing info to the console.
-const char kTraceToConsole[]                = "trace-to-console";
-
-// Sets the target URL for uploading tracing data.
-const char kTraceUploadURL[]                = "trace-upload-url";
-
-}  // namespace switches