use user chosen country code to format and validate phone number for addresses.

chrome/android/java/src/org/chromium/chrome/browser/payments/ui/EditorDialog.java

Index: chrome/android/java/src/org/chromium/chrome/browser/payments/ui/EditorDialog.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/payments/ui/EditorDialog.java b/chrome/android/java/src/org/chromium/chrome/browser/payments/ui/EditorDialog.java
index 0c9eca7a81ed39182d5a5919253b7e69c8c465b5..7658949d6803c7ce7641aeff076f47bac32df243 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/payments/ui/EditorDialog.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/payments/ui/EditorDialog.java
@@ -85,7 +85,7 @@ public class EditorDialog
     private final TextWatcher mCardNumberFormatter;
 
     @Nullable
-    private TextWatcher mPhoneFormatter;
+    private PhoneNumberUtil.CountryAwareFormatTextWatcher mPhoneFormatter;
     private View mLayout;
     private EditorModel mEditorModel;
     private Button mDoneButton;
@@ -155,7 +155,7 @@ public class EditorDialog
         };
 
         mCardNumberFormatter = new CreditCardNumberFormattingTextWatcher();
-        mPhoneFormatter = new PhoneNumberUtil.FormatTextWatcher();
+        mPhoneFormatter = new PhoneNumberUtil.CountryAwareFormatTextWatcher();
     }
 
     /** Prevents screenshots of this editor. */
@@ -559,6 +559,14 @@ public class EditorDialog
         return invalidViews;
     }
 
+    /**
+     * Update the country code used by the phone formatter. This is called when either user
+     * changes country or when editor is initialized with default country.
+     */
+    public void updateCountryOfPhoneFormatter(String country) {
+        mPhoneFormatter.setCountryCode(country);
+    }
+
     /** @return All editable text fields in the editor. Used only for tests. */
     @VisibleForTesting
     public List<EditText> getEditableTextFieldsForTest() {