Skeleton code for experiment setup, which will determine should "Allow to collect URL?" bubble be s…

chrome/browser/ui/passwords/password_manager_url_collection_experiment.cc

+// Copyright 2014 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/passwords/password_manager_url_collection_experiment.h"
+
+#include "base/metrics/field_trial.h"
+#include "base/prefs/pref_service.h"
+#include "chrome/common/pref_names.h"
+#include "components/pref_registry/pref_registry_syncable.h"
+
+namespace password_manager {
+namespace urls_collection_experiment {
+
+namespace {
+
+bool MaybeShowBubbleExperiment(PrefService* prefs) {
+  // TODO(melandory): Make decision based on Finch experiment parameters.
+  return false;
+}
+
+}  // namespace
+
+void RegisterPrefs(user_prefs::PrefRegistrySyncable* registry) {
+  registry->RegisterBooleanPref(
+      ::prefs::kWasAllowToCollectURLBubbleShown,
+      false,  // bubble hasn't been shown yet
+      user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
+}
+
+const char kExperimentName[] = "AksToSubmitURLBubble";
+const char kGroupMaybeShowBubble[] = "ShowBubble";
+const char kGroupNeverShowBubble[] = "NeverShowBubble";
+
+bool ShouldShowBubble(PrefService* prefs) {
+  if (prefs->GetBoolean(::prefs::kWasAllowToCollectURLBubbleShown)) {
+    if (!base::FieldTrialList::TrialExists(kExperimentName))
+      return false;
+    std::string group_name =
+        base::FieldTrialList::FindFullName(kExperimentName);
+    if (group_name == kGroupMaybeShowBubble)
+      return MaybeShowBubbleExperiment(prefs);
+  }
+  // "Do not show" is the default case.
+  return false;
+}
+
+void RecordBubbleClosed(PrefService* prefs) {
+  prefs->SetBoolean(::prefs::kWasAllowToCollectURLBubbleShown, true);
+}
+
+}  // namespace urls_collection_experiment
+}  // namespace password_manager