chrome/browser/chrome_browser_field_trials.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "chrome/browser/chrome_browser_field_trials.h"
   6
   7 #include <string>
   8
   9 #include "base/command_line.h"
  10 #include "base/metrics/field_trial.h"
  11 #include "base/strings/string_util.h"
  12 #include "base/time/time.h"
  13 #include "chrome/common/chrome_switches.h"
  14 #include "components/metrics/metrics_pref_names.h"
  15 #include "components/omnibox/browser/omnibox_field_trial.h"
  16
  17 #if defined(OS_ANDROID) || defined(OS_IOS)
  18 #include "chrome/browser/chrome_browser_field_trials_mobile.h"
  19 #else
  20 #include "chrome/browser/chrome_browser_field_trials_desktop.h"
  21 #endif
  22
  23 ChromeBrowserFieldTrials::ChromeBrowserFieldTrials(
  24     const base::CommandLine& parsed_command_line)
  25     : parsed_command_line_(parsed_command_line) {
  26 }
  27
  28 ChromeBrowserFieldTrials::~ChromeBrowserFieldTrials() {
  29 }
  30
  31 void ChromeBrowserFieldTrials::SetupFieldTrials() {
  32   // Field trials that are shared by all platforms.
  33   InstantiateDynamicTrials();
  34
  35 #if defined(OS_ANDROID) || defined(OS_IOS)
  36   chrome::SetupMobileFieldTrials(parsed_command_line_);
  37 #else
  38   chrome::SetupDesktopFieldTrials(parsed_command_line_);
  39 #endif
  40 }
  41
  42 void ChromeBrowserFieldTrials::InstantiateDynamicTrials() {
  43   // The following trials are used from renderer process.
  44   // Mark here so they will be sync-ed.
  45   base::FieldTrialList::FindValue("DisplayList2dCanvas");
  46   // Activate the autocomplete dynamic field trials.
  47   OmniboxFieldTrial::ActivateDynamicTrials();
  48 }