AutofillSaveCardInfoBar on mobile should not appear when legal messages don't parse correctly

components/autofill/core/browser/autofill_metrics.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_AUTOFILL_METRICS_H_
 #define COMPONENTS_AUTOFILL_CORE_BROWSER_AUTOFILL_METRICS_H_
 
 #include <stddef.h>
 #include <string>
 #include <utility>
@@ skipping 265 matching lines @@
     NUM_DIALOG_UI_EVENTS
   };
 
   enum InfoBarMetric {
     INFOBAR_SHOWN = 0,  // We showed an infobar, e.g. prompting to save credit
                         // card info.
     INFOBAR_ACCEPTED,   // The user explicitly accepted the infobar.
     INFOBAR_DENIED,     // The user explicitly denied the infobar.
     INFOBAR_IGNORED,    // The user completely ignored the infobar (logged on
                         // tab close).
+    INFOBAR_NOT_SHOWN_INVALID_LEGAL_MESSAGE,  // We didn't show the infobar
+                                              // because the provided legal
+                                              // message was invalid.
     NUM_INFO_BAR_METRICS,
   };
 
   // Metrics to measure user interaction with the save credit card prompt.
   //
   // SAVE_CARD_PROMPT_DISMISS_FOCUS is not stored explicitly, but can be
   // inferred from the other metrics:
   // SAVE_CARD_PROMPT_DISMISS_FOCUS = SHOW_REQUESTED - END_* - DISMISS_*
   enum SaveCardPromptMetric {
     // Prompt was requested to be shown due to:
@@ skipping 666 matching lines @@
 
  private:
   static const int kNumCardUploadDecisionMetrics = 12;
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(AutofillMetrics);
 };
 
 }  // namespace autofill
 
 #endif  // COMPONENTS_AUTOFILL_CORE_BROWSER_AUTOFILL_METRICS_H_