Use dropdown list for admin areas in pr form.

chrome/android/java/src/org/chromium/chrome/browser/autofill/PersonalDataManager.java

Index: chrome/android/java/src/org/chromium/chrome/browser/autofill/PersonalDataManager.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/autofill/PersonalDataManager.java b/chrome/android/java/src/org/chromium/chrome/browser/autofill/PersonalDataManager.java
index a04a76d1241607815c223dc6565d396b55826d19..b7a4e57103bded1bfe591705206a1cbac670f2f0 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/autofill/PersonalDataManager.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/autofill/PersonalDataManager.java
@@ -62,11 +62,24 @@ public class PersonalDataManager {
     }
 
     /**
+     * Callback for sub-keys' request.
+     */
+    public interface GetSubKeysRequestDelegate {
+        /**
+         * Called when the sub-keys are received successfully.
+         *
+         * @param subKeys The sub-keys.
+         */
+        @CalledByNative("GetSubKeysRequestDelegate")
+        void onSubKeysReceived(String[] subKeys);
+    }
+
+    /**
      * Callback for normalized addresses.
      */
     public interface NormalizedAddressRequestDelegate {
         /**
-         * Called when the address has been sucessfully normalized.
+         * Called when the address has been successfully normalized.
          *
          * @param profile The profile with the normalized address.
          */
@@ -828,6 +841,22 @@ public class PersonalDataManager {
     }
 
     /**
+     * Starts loading the sub-keys for the specified {@code regionCode}.
+     *
+     * @param regionCode The region code for which sub-keys will be loaded.
+     */
+    public void getRegionSubKeys(String regionCode, GetSubKeysRequestDelegate delegate) {
+        ThreadUtils.assertOnUiThread();
+        nativeStartGettingRegionSubKeys(mPersonalDataManagerAndroid, regionCode, delegate);
+    }
+
+    /** Cancels the pending request for sub-keys. */
+    public void cancelPendingGetSubKeys() {
+        ThreadUtils.assertOnUiThread();
+        nativeCancelPendingGetSubKeys(mPersonalDataManagerAndroid);
+    }
+
+    /**
      * @return Whether the Autofill feature is enabled.
      */
     public static boolean isAutofillEnabled() {
@@ -937,6 +966,8 @@ public class PersonalDataManager {
             WebContents webContents, CreditCard card, FullCardRequestDelegate delegate);
     private native void nativeLoadRulesForRegion(
             long nativePersonalDataManagerAndroid, String regionCode);
+    private native void nativeStartGettingRegionSubKeys(long nativePersonalDataManagerAndroid,
+            String regionCode, GetSubKeysRequestDelegate delegate);
     private native boolean nativeStartAddressNormalization(long nativePersonalDataManagerAndroid,
             String guid, String regionCode, NormalizedAddressRequestDelegate delegate);
     private native void nativeCancelPendingAddressNormalizations(
@@ -947,4 +978,5 @@ public class PersonalDataManager {
     private static native boolean nativeIsPaymentsIntegrationEnabled();
     private static native void nativeSetPaymentsIntegrationEnabled(boolean enable);
     private static native String nativeToCountryCode(String countryName);
+    private static native void nativeCancelPendingGetSubKeys(long nativePersonalDataManagerAndroid);
 }