Use dropdown list for admin areas in pr form.

chrome/android/java/src/org/chromium/chrome/browser/preferences/autofill/AutofillProfileBridge.java

 // Copyright 2015 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.
 
 package org.chromium.chrome.browser.preferences.autofill;
 
 import android.util.Pair;
 
 import org.chromium.base.annotations.CalledByNative;
 import org.chromium.base.annotations.JNINamespace;
@@ skipping 83 matching lines @@
             public int compare(DropdownKeyValue lhs, DropdownKeyValue rhs) {
                 int result = collator.compare(lhs.getValue(), rhs.getValue());
                 if (result == 0) result = lhs.getKey().compareTo(rhs.getKey());
                 return result;
             }
         });
 
         return countries;
     }
 
+    /** @return The list of admin areas sorted by their localized display names. */
+    public static List<DropdownKeyValue> getAdminAreaDropdownList(String[] keys) {
+        List<DropdownKeyValue> adminAreas = new ArrayList<>();
+
+        for (String s : keys) {
+            adminAreas.add(new DropdownKeyValue(s, s)); // TODO (@parastoog): show names, save keys.

[sebsg, 2017/02/10 16:00:32]

The new format for TODOs is to create a bug in crbug and then write a comment as
follows:

 // TODO(crbug.com/XXXX): Show names, save keys.

That way, someone else can get a sense of what needs to be done by reading the
bug a maybe fix it :) 

[Parastoo, 2017/02/13 21:57:23]

Done.

+        }
+
+        final Collator collator = Collator.getInstance(Locale.getDefault());
+        collator.setStrength(Collator.PRIMARY);
+        Collections.sort(adminAreas, new Comparator<DropdownKeyValue>() {
+            @Override
+            public int compare(DropdownKeyValue lhs, DropdownKeyValue rhs) {
+                int result = collator.compare(lhs.getValue(), rhs.getValue());
+                if (result == 0) result = lhs.getKey().compareTo(rhs.getKey());
+                return result;
+            }
+        });
+        return adminAreas;
+    }
+
     /** @return The list of required fields. COUNTRY is always included. RECIPIENT often omitted. */
     public static List<Integer> getRequiredAddressFields(String countryCode) {
         List<Integer> requiredFields = new ArrayList<>();
         nativeGetRequiredFields(countryCode, requiredFields);
         return requiredFields;
     }
 
     /**
      * Description of an address editor input field.
      */
@@ skipping 23 matching lines @@
             this.label = label;
             this.isRequired = isRequired;
             this.isFullLine = isFullLine;
         }
     }
 
     /**
      * Returns the UI components for the CLDR countryCode and languageCode provided. If no language
      * code is provided, the application's default locale is used instead. Also stores the
      * currentBestLanguageCode, retrievable via getCurrentBestLanguageCode, to be used when saving
-     * an autofill profile.
+     * an autofill profile
      *
      * @param countryCode The CLDR code used to retrieve address components.
      * @param languageCode The language code associated with the saved autofill profile that ui
      *                     components are being retrieved for; can be null if ui components are
      *                     being retrieved for a new profile.
      * @return A list of address UI components. The ordering in the list specifies the order these
      *         components should appear in the UI.
      */
     public List<AddressUiComponent> getAddressUiComponents(
             String countryCode, String languageCode) {
@@ skipping 38 matching lines @@
 
     private static native String nativeGetDefaultCountryCode();
     private static native void nativeGetSupportedCountries(List<String> countryCodes,
             List<String> countryNames);
     private static native void nativeGetRequiredFields(
             String countryCode, List<Integer> requiredFields);
     private static native String nativeGetAddressUiComponents(String countryCode,
             String languageCode, List<Integer> componentIds, List<String> componentNames,
             List<Integer> componentRequired, List<Integer> componentLengths);
 }