Autofill: Add WalletIntegrationAvailable() to components.

components/autofill/core/browser/options_util.cc

+// Copyright 2015 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 "components/autofill/core/browser/options_util.h"
+
+#include "base/prefs/pref_service.h"
+#include "components/autofill/core/browser/personal_data_manager.h"
+#include "components/autofill/core/common/autofill_pref_names.h"
+#include "components/sync_driver/sync_service.h"
+
+namespace autofill {
+
+bool WalletIntegrationAvailable(sync_driver::SyncService* sync_service,
+                                PrefService* pref_service,

[Evan Stade, 2015/05/07 19:59:46]

this should be const ref

[bondd, 2015/05/07 21:19:24]

Done.

+                                PersonalDataManager* personal_data_manager) {

[Evan Stade, 2015/05/07 19:59:46]

this should be const ref

[bondd, 2015/05/07 21:19:24]

Done.

+  if (!(sync_service && sync_service->IsSyncEnabledAndLoggedIn() &&
+        sync_service->GetPreferredDataTypes().Has(syncer::AUTOFILL_PROFILE))) {
+    return false;
+  }
+
+  DCHECK(personal_data_manager);
+  if (!personal_data_manager->IsExperimentalWalletIntegrationEnabled())
+    return false;
+
+  // If the user is signed in and the feature is enabled, but no data is being
+  // synced, hide the option. The user doesn't have a Wallet account. If the
+  // feature is disabled, we can't know, so show the checkbox.
+  DCHECK(pref_service);
+  if (!pref_service->GetBoolean(prefs::kAutofillWalletImportEnabled))
+    return true;
+
+  // If wallet is preferred but we haven't gotten the sync data yet, we don't
+  // know, so show the checkbox.
+  if (!sync_service->GetActiveDataTypes().Has(syncer::AUTOFILL_WALLET_DATA))
+    return true;
+
+  return personal_data_manager->HasServerData();
+}
+
+}  // namespace autofill