Merge 114608, 115692 to 963 (M17) branch.

chrome/browser/ui/webui/sync_promo_trial.cc

Index: chrome/browser/ui/webui/sync_promo_trial.cc
diff --git a/chrome/browser/ui/webui/sync_promo_trial.cc b/chrome/browser/ui/webui/sync_promo_trial.cc
deleted file mode 100644
index 4003144b5b1baba172d233dd0fc6230299497c33..0000000000000000000000000000000000000000
--- a/chrome/browser/ui/webui/sync_promo_trial.cc
+++ /dev/null
@@ -1,100 +0,0 @@
-// 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/ui/webui/sync_promo_trial.h"
-
-#include "base/metrics/field_trial.h"
-#include "chrome/browser/metrics/metrics_service.h"
-#include "chrome/browser/prefs/pref_service.h"
-#include "grit/generated_resources.h"
-
-namespace sync_promo_trial {
-
-// Field trial IDs of the control and experiment groups. Though they are not
-// literally "const", they are set only once, in Activate() below. See the .h
-// file for what these groups represent.
-int g_sync_promo_experiment_a = 0;
-int g_sync_promo_experiment_b = 0;
-int g_sync_promo_experiment_c = 0;
-int g_sync_promo_experiment_d = 0;
-
-const char kSyncPromoMsgTrialName[] = "SyncPromoMsg";
-
-void Activate() {
-  // The end date (February 21, 2012) is approximately 2 weeks into M17 stable.
-  scoped_refptr<base::FieldTrial> trial(
-      new base::FieldTrial(kSyncPromoMsgTrialName, 1000, "MsgA", 2012, 2, 21));
-  g_sync_promo_experiment_a = base::FieldTrial::kDefaultGroupNumber;
-
-  // Try to give the user a consistent experience, if possible.
-  if (base::FieldTrialList::IsOneTimeRandomizationEnabled())
-    trial->UseOneTimeRandomization();
-
-  // Each group has probability 0.5%, leaving the control with 98.5%.
-  g_sync_promo_experiment_b = trial->AppendGroup("MsgB", 50);
-  g_sync_promo_experiment_c = trial->AppendGroup("MsgC", 50);
-  g_sync_promo_experiment_d = trial->AppendGroup("MsgD", 50);
-}
-
-bool IsExperimentActive() {
-  return base::FieldTrialList::FindValue(kSyncPromoMsgTrialName) !=
-      base::FieldTrial::kNotFinalized;
-}
-
-Group GetGroup() {
-  // Promo message A is also the default value, so display it if there is no
-  // active experiment.
-  if (!IsExperimentActive())
-    return PROMO_MSG_A;
-
-  const int group = base::FieldTrialList::FindValue(kSyncPromoMsgTrialName);
-  if (group == g_sync_promo_experiment_a)
-    return PROMO_MSG_A;
-  else if (group == g_sync_promo_experiment_b)
-    return PROMO_MSG_B;
-  else if (group == g_sync_promo_experiment_c)
-    return PROMO_MSG_C;
-  else if (group == g_sync_promo_experiment_d)
-    return PROMO_MSG_D;
-
-  NOTREACHED();
-  return PROMO_MSG_A;
-}
-
-int GetMessageBodyResID() {
-  // Note that GetGroup and the switch will take care of the !IsExperimentActive
-  // case for us.
-  Group group = GetGroup();
-  switch (group) {
-    case PROMO_MSG_A:
-      return IDS_SYNC_PROMO_MESSAGE_BODY_A;
-    case PROMO_MSG_B:
-      return IDS_SYNC_PROMO_MESSAGE_BODY_B;
-    case PROMO_MSG_C:
-      return IDS_SYNC_PROMO_MESSAGE_BODY_C;
-    case PROMO_MSG_D:
-      return IDS_SYNC_PROMO_MESSAGE_BODY_D;
-    case PROMO_MSG_MAX:
-      break;
-  }
-
-  NOTREACHED();
-  return IDS_SYNC_PROMO_MESSAGE_BODY_A;
-}
-
-void RecordUserSawMessage() {
-  DCHECK(IsExperimentActive());
-  UMA_HISTOGRAM_ENUMERATION("SyncPromo.MessageDisplayed",
-                            GetGroup(),
-                            PROMO_MSG_MAX);
-}
-
-void RecordUserSignedIn() {
-  DCHECK(IsExperimentActive());
-  UMA_HISTOGRAM_ENUMERATION("SyncPromo.MessageOnSignIn",
-                            GetGroup(),
-                            PROMO_MSG_MAX);
-}
-
-}  // namespace sync_promo_trial