tracing: restructure to the components/tracing folder

components/tracing/trace_to_console.cc

-// Copyright (c) 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/trace_to_console.h"
-
-#include <string>
-
-#include "base/command_line.h"
-#include "components/tracing/tracing_switches.h"
-
-namespace tracing {
-
-namespace {
-// These categories will cause deadlock when ECHO_TO_CONSOLE. crbug.com/325575.
-const char kEchoToConsoleCategoryFilter[] = "-ipc,-toplevel";
-}  // namespace
-
-base::trace_event::TraceConfig GetConfigForTraceToConsole() {
-  const base::CommandLine& command_line =
-      *base::CommandLine::ForCurrentProcess();
-  DCHECK(command_line.HasSwitch(switches::kTraceToConsole));
-  std::string filter = command_line.GetSwitchValueASCII(
-      switches::kTraceToConsole);
-  if (filter.empty()) {
-    filter = kEchoToConsoleCategoryFilter;
-  } else {
-    filter.append(",");
-    filter.append(kEchoToConsoleCategoryFilter);
-  }
-  return base::trace_event::TraceConfig(
-      filter, base::trace_event::ECHO_TO_CONSOLE);
-}
-
-}  // namespace tracing