| // Copyright (c) 2012 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/chrome_browser_field_trials.h" |
| |
| #include <string> |
| |
| #include "base/command_line.h" |
| #include "base/metrics/field_trial.h" |
| #include "base/prefs/pref_service.h" |
| #include "base/strings/string_util.h" |
| #include "base/time/time.h" |
| #include "chrome/browser/omnibox/omnibox_field_trial.h" |
| #include "chrome/common/chrome_switches.h" |
| #include "chrome/common/chrome_version_info.h" |
| #include "chrome/common/pref_names.h" |
| #include "chrome/common/variations/uniformity_field_trials.h" |
| |
| #if defined(OS_ANDROID) || defined(OS_IOS) |
| #include "chrome/browser/chrome_browser_field_trials_mobile.h" |
| #else |
| #include "chrome/browser/chrome_browser_field_trials_desktop.h" |
| #endif |
| |
| ChromeBrowserFieldTrials::ChromeBrowserFieldTrials( |
| const CommandLine& parsed_command_line) |
| : parsed_command_line_(parsed_command_line) { |
| } |
| |
| ChromeBrowserFieldTrials::~ChromeBrowserFieldTrials() { |
| } |
| |
| void ChromeBrowserFieldTrials::SetupFieldTrials(PrefService* local_state) { |
| const base::Time install_time = base::Time::FromTimeT( |
| local_state->GetInt64(prefs::kInstallDate)); |
| DCHECK(!install_time.is_null()); |
| |
| // Field trials that are shared by all platforms. |
| chrome_variations::SetupUniformityFieldTrials(install_time); |
| InstantiateDynamicTrials(); |
| |
| #if defined(OS_ANDROID) || defined(OS_IOS) |
| chrome::SetupMobileFieldTrials( |
| parsed_command_line_, install_time, local_state); |
| #else |
| chrome::SetupDesktopFieldTrials( |
| parsed_command_line_, install_time, local_state); |
| #endif |
| } |
| |
| void ChromeBrowserFieldTrials::InstantiateDynamicTrials() { |
| // Call |FindValue()| on the trials below, which may come from the server, to |
| // ensure they get marked as "used" for the purposes of data reporting. |
| base::FieldTrialList::FindValue("UMA-Dynamic-Binary-Uniformity-Trial"); |
| base::FieldTrialList::FindValue("UMA-Dynamic-Uniformity-Trial"); |
| base::FieldTrialList::FindValue("InstantDummy"); |
| base::FieldTrialList::FindValue("InstantChannel"); |
| base::FieldTrialList::FindValue("Test0PercentDefault"); |
| // The following trials are used from renderer process. |
| // Mark here so they will be sync-ed. |
| base::FieldTrialList::FindValue("CLD1VsCLD2"); |
| base::FieldTrialList::FindValue("MouseEventPreconnect"); |
| base::FieldTrialList::FindValue("UnauthorizedPluginInfoBar"); |
| // Activate the autocomplete dynamic field trials. |
| OmniboxFieldTrial::ActivateDynamicTrials(); |
| } |