Hide Autofill Wallet checkbox when not syncing autofill data.

chrome/browser/autofill/options_util.h

Index: chrome/browser/autofill/options_util.h
diff --git a/chrome/browser/autofill/options_util.h b/chrome/browser/autofill/options_util.h
new file mode 100644
index 0000000000000000000000000000000000000000..dfc2f3bbb2c833c5730a6aa8d8183351a216eb97
--- /dev/null
+++ b/chrome/browser/autofill/options_util.h
@@ -0,0 +1,18 @@
+// 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.
+
+#ifndef CHROME_BROWSER_AUTOFILL_OPTIONS_UTIL_H_
+#define CHROME_BROWSER_AUTOFILL_OPTIONS_UTIL_H_
+
+class Profile;
+
+namespace autofill {
+
+// Decides whether the Autofill Wallet integration is available (i.e. can be
+// enabled or disabled by the user).
+bool WalletIntegrationAvailableForProfile(Profile* profile);
+
+}  // namespace autofill
+
+#endif  // CHROME_BROWSER_AUTOFILL_OPTIONS_UTIL_H_