Autofill:Autocheckout: Enable Autocheckout for finch experimenting

components/autofill/browser/autofill_manager.cc

 // Copyright (c) 2012 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/browser/autofill_manager.h"
 
 #include <stddef.h>
 
 #include <limits>
 #include <map>
@@ skipping 859 matching lines @@
     const std::string& response_xml) {
   scoped_ptr<autofill::AutocheckoutPageMetaData> page_meta_data(
       new autofill::AutocheckoutPageMetaData());
 
   // Parse and store the server predictions.
   FormStructure::ParseQueryResponse(response_xml,
                                     form_structures_.get(),
                                     page_meta_data.get(),
                                     *metric_logger_);
 
-  autocheckout_manager_.OnLoadedPageMetaData(page_meta_data.Pass());
+  if (!GetAutocheckoutURLPrefix().empty())
+    autocheckout_manager_.OnLoadedPageMetaData(page_meta_data.Pass());
 
   // If the corresponding flag is set, annotate forms with the predicted types.
   SendAutofillTypePredictions(form_structures_.get());
 }
 
 void AutofillManager::OnDidEndTextFieldEditing() {
   if (external_delegate_)
     external_delegate_->DidEndTextFieldEditing();
 }
 
@@ skipping 454 matching lines @@
   *profile_guid = IDToGUID(profile_id);
 }
 
 void AutofillManager::UpdateInitialInteractionTimestamp(
     const TimeTicks& interaction_timestamp) {
   if (initial_interaction_timestamp_.is_null() ||
       interaction_timestamp < initial_interaction_timestamp_) {
     initial_interaction_timestamp_ = interaction_timestamp;
   }
 }