Add sync experiment flag for wallet datatype.

components/autofill/core/browser/personal_data_manager.h

 // Copyright 2013 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 COMPONENTS_AUTOFILL_CORE_BROWSER_PERSONAL_DATA_MANAGER_H_
 #define COMPONENTS_AUTOFILL_CORE_BROWSER_PERSONAL_DATA_MANAGER_H_
 
 #include <set>
 #include <vector>
 
@@ skipping 201 matching lines @@
 
   // The number of times that the access address book prompt was shown.
   int AccessAddressBookPromptCount();
 
   // The Chrome binary is in the process of being changed, or has been changed.
   // Future attempts to access the Address Book might incorrectly present a
   // blocking dialog.
   void BinaryChanging();
 #endif  // defined(OS_MACOSX) && !defined(OS_IOS)
 
+  // Returns true if the wallet integration feature is enabled. Note that the
+  // feature can still disabled by a user pref.
+  bool IsExperimentalWalletIntegrationEnabled() const;
+
  protected:
   // Only PersonalDataManagerFactory and certain tests can create instances of
   // PersonalDataManager.
   FRIEND_TEST_ALL_PREFIXES(AutofillMetricsTest, FirstMiddleLast);
   FRIEND_TEST_ALL_PREFIXES(AutofillMetricsTest, AutofillIsEnabledAtStartup);
   FRIEND_TEST_ALL_PREFIXES(PersonalDataManagerTest,
                            AggregateExistingAuxiliaryProfile);
   friend class autofill::AutofillInteractiveTest;
   friend class autofill::AutofillTest;
   friend class autofill::PersonalDataManagerFactory;
@@ skipping 128 matching lines @@
 
   // An observer to listen for changes to prefs::kAutofillEnabled.
   scoped_ptr<BooleanPrefMember> enabled_pref_;
 
   DISALLOW_COPY_AND_ASSIGN(PersonalDataManager);
 };
 
 }  // namespace autofill
 
 #endif  // COMPONENTS_AUTOFILL_CORE_BROWSER_PERSONAL_DATA_MANAGER_H_