[Autofill] Guard against the initialization failure of ICU Collator.

components/autofill/core/browser/autofill_metrics.h

Index: components/autofill/core/browser/autofill_metrics.h
diff --git a/components/autofill/core/browser/autofill_metrics.h b/components/autofill/core/browser/autofill_metrics.h
index f0b5f8d8669f46d8e36ab24ef3aa8b4a8f4f8f21..7c1b44aca3426e4e2448cfa014040eb8c3445593 100644
--- a/components/autofill/core/browser/autofill_metrics.h
+++ b/components/autofill/core/browser/autofill_metrics.h
@@ -598,6 +598,10 @@ class AutofillMetrics {
       int compression_ratio,
       AutofillDownloadManager::RequestType type);
 
+  // Log success or failure in creating the ICU Collator needed for string
+  // comparison.
+  static void LogIcuCollatorCreationSuccess(bool success);
+
   // Utility to autofill form events in the relevant histograms depending on
   // the presence of server and/or local data.
   class FormEventLogger {