15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2012 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "chrome/browser/chrome_browser_field_trials.h" 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <string> 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/command_line.h" 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/metrics/field_trial.h" 11c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#include "base/prefs/pref_service.h" 12868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)#include "base/strings/string_util.h" 13eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch#include "base/time/time.h" 147dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch#include "chrome/browser/metrics/gzipped_protobufs_field_trial.h" 152a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "chrome/browser/omnibox/omnibox_field_trial.h" 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "chrome/common/chrome_switches.h" 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "chrome/common/chrome_version_info.h" 182a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "chrome/common/metrics/variations/uniformity_field_trials.h" 19c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#include "chrome/common/pref_names.h" 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 21c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#if defined(OS_ANDROID) || defined(OS_IOS) 22c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#include "chrome/browser/chrome_browser_field_trials_mobile.h" 23c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#else 24c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#include "chrome/browser/chrome_browser_field_trials_desktop.h" 25c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#endif 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)ChromeBrowserFieldTrials::ChromeBrowserFieldTrials( 28c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) const CommandLine& parsed_command_line) 29c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) : parsed_command_line_(parsed_command_line) { 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)ChromeBrowserFieldTrials::~ChromeBrowserFieldTrials() { 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 35c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)void ChromeBrowserFieldTrials::SetupFieldTrials(PrefService* local_state) { 36c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) const base::Time install_time = base::Time::FromTimeT( 37c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) local_state->GetInt64(prefs::kInstallDate)); 38c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) DCHECK(!install_time.is_null()); 39c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 40c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) // Field trials that are shared by all platforms. 412a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) chrome_variations::SetupUniformityFieldTrials(install_time); 427dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch metrics::CreateGzippedProtobufsFieldTrial(); 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) InstantiateDynamicTrials(); 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 45c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#if defined(OS_ANDROID) || defined(OS_IOS) 46c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) chrome::SetupMobileFieldTrials( 47c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) parsed_command_line_, install_time, local_state); 48c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#else 49c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) chrome::SetupDesktopFieldTrials( 50c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) parsed_command_line_, install_time, local_state); 512a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#endif 522a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 532a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void ChromeBrowserFieldTrials::InstantiateDynamicTrials() { 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Call |FindValue()| on the trials below, which may come from the server, to 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // ensure they get marked as "used" for the purposes of data reporting. 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::FieldTrialList::FindValue("UMA-Dynamic-Binary-Uniformity-Trial"); 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::FieldTrialList::FindValue("UMA-Dynamic-Uniformity-Trial"); 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::FieldTrialList::FindValue("InstantDummy"); 605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::FieldTrialList::FindValue("InstantChannel"); 612a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) base::FieldTrialList::FindValue("Test0PercentDefault"); 62eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch // MouseEventPreconnect trial is used from renderer process. 63eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch // Mark here so it will be sync-ed. 64eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch base::FieldTrialList::FindValue("MouseEventPreconnect"); 652a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Activate the autocomplete dynamic field trials. 662a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) OmniboxFieldTrial::ActivateDynamicTrials(); 675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 68