Fail autocheckout if there is no forms in the page.

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 1242 matching lines @@
     form_structure->DetermineHeuristicTypes(*metric_logger_);
 
     // Set aside forms with method GET or author-specified types, so that they
     // are not included in the query to the server.
     if (form_structure->ShouldBeCrowdsourced())
       form_structures_.push_back(form_structure.release());
     else
       non_queryable_forms.push_back(form_structure.release());
   }
 
-  // If none of the forms were parsed, no use querying the server.
-  if (!form_structures_.empty() && !disable_download_manager_requests_) {
+  if (form_structures_.empty()) {
+    // Call OnLoadedPageMetaData with no page metadata immediately if there is
+    // no form in the page. This give |autocheckout_manager| a chance to
+    // terminate Autocheckout and send Autocheckout status.
+    autocheckout_manager_.OnLoadedPageMetaData(
+        scoped_ptr<autofill::AutocheckoutPageMetaData>(NULL));
+  } else if (!disable_download_manager_requests_) {
+    // Query the server if we have at least one of the forms were parsed.
     download_manager_.StartQueryRequest(form_structures_.get(),
                                         *metric_logger_);
   }
 
   for (std::vector<FormStructure*>::const_iterator iter =
            non_queryable_forms.begin();
        iter != non_queryable_forms.end(); ++iter) {
     form_structures_.push_back(*iter);
   }
 
@@ skipping 62 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;
   }
 }