[Autofill] Credit Card Assist Infobar

components/autofill/core/common/autofill_constants.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.
 
 // Contains constants specific to the Autofill component.
 
 #ifndef COMPONENTS_AUTOFILL_CORE_COMMON_AUTOFILL_CONSTANTS_H_
 #define COMPONENTS_AUTOFILL_CORE_COMMON_AUTOFILL_CONSTANTS_H_
 
 #include <stddef.h>         // For size_t
@@ skipping 14 matching lines @@
 const size_t kRequiredFieldsForPredictionRoutines = 3;
 
 // The minimum number of fields required to upload a form to the Autofill
 // servers.
 const size_t kRequiredFieldsForUpload = 3;
 
 // The minimum number of fields in a form that contains only password fields to
 // upload the form to and request predictions from the Autofill servers.
 const size_t kRequiredFieldsForFormsWithOnlyPasswordFields = 2;
 
+// Special query id used between the browser and the renderer when the action
+// is initiated from the browser.
+const int kNoQueryId = -1;
+
 // Options bitmask values for AutofillHostMsg_ShowPasswordSuggestions IPC
 enum ShowPasswordSuggestionsOptions {
   SHOW_ALL = 1 << 0 /* show all credentials, not just ones matching username */,
   IS_PASSWORD_FIELD = 1 << 1 /* input field is a password field */
 };
 
 }  // namespace autofill
 
 #endif  // COMPONENTS_AUTOFILL_CORE_COMMON_AUTOFILL_CONSTANTS_H_