Delete the auto-launch trial.

chrome/browser/auto_launch_trial.cc

-// Copyright (c) 2011 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 "chrome/browser/auto_launch_trial.h"
-
-#include "base/files/file_path.h"
-#include "base/metrics/field_trial.h"
-#include "base/strings/string_util.h"
-#include "chrome/browser/first_run/first_run.h"
-#include "chrome/installer/util/master_preferences.h"
-#include "chrome/installer/util/master_preferences_constants.h"
-
-const char kAutoLaunchTrialName[] = "AutoLaunchExperiment";
-const char kAutoLaunchTrialAutoLaunchGroup[] = "AutoLaunching";
-const char kAutoLaunchTrialControlGroup[] = "NotAutoLaunching";
-
-namespace auto_launch_trial {
-
-bool IsInAutoLaunchGroup() {
-  return base::FieldTrialList::TrialExists(kAutoLaunchTrialName) &&
-         base::FieldTrialList::Find(kAutoLaunchTrialName)->group_name()
-             == kAutoLaunchTrialAutoLaunchGroup;
-}
-
-bool IsInExperimentGroup(const std::string& brand_code) {
-  return base::LowerCaseEqualsASCII(brand_code, "rngp");
-}
-
-bool IsInControlGroup(const std::string& brand_code) {
-  return base::LowerCaseEqualsASCII(brand_code, "rngq");
-}
-
-}  // namespace auto_launch_trial