[Payments] Normalize addresses before passing them to merchants.

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 059cee3757afa2eca75e2c541bc7800c3fc1f238..f6f83236a15028933e9d96d196a19157acafce4d 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
@@ -62,6 +62,19 @@ public class PersonalDataManager {
     }
 
     /**
+     * Callback for normalized addresses.
+     */
+    public interface NormalizedAddressRequestDelegate {
+        /**
+         * Called when the address has been sucessfully normalized.
+         *
+         * @param profile The profile with the normalized address.
+         */
+        @CalledByNative("NormalizedAddressRequestDelegate")
+        void onAddressNormalized(AutofillProfile profile);
+    }
+
+    /**
      * Autofill address information.
      */
     public static class AutofillProfile {
@@ -718,6 +731,38 @@ public class PersonalDataManager {
     }
 
     /**
+     * Starts loading the address validation rules for the specified {@code regionCode}.
+     *
+     * @param regionCode The code of the region for which to load the rules.
+     */
+    public void loadRulesForRegion(String regionCode) {
+        ThreadUtils.assertOnUiThread();
+        nativeLoadRulesForRegion(mPersonalDataManagerAndroid, regionCode);
+    }
+
+    /**
+     * Sets up the callback to start normalizing the address of the profile associated with the
+     * {@code guid} when the rules associated with the {@code regionCode} are done loading. After
+     * completion, the normalized profile will be sent to the {@code requester}.
+     *
+     * @param guid The GUID of the profile to normalize.
+     * @param regionCode The region code indicating which rules to use for normalization.
+     * @param requester The object requesting the normalization.
+     */
+    public void normalizeAddressAsync(
+            String guid, String regionCode, NormalizedAddressRequestDelegate delegate) {
+        ThreadUtils.assertOnUiThread();
+        nativeStartAddressNormalizationTask(
+                mPersonalDataManagerAndroid, guid, regionCode, delegate);
+    }
+
+    /** Cancels the pending address normalization. */
+    public void cancelPendingAddressNormalization() {
+        ThreadUtils.assertOnUiThread();
+        nativeCancelPendingAddressNormalization(mPersonalDataManagerAndroid);
+    }
+
+    /**
      * @return Whether the Autofill feature is enabled.
      */
     public static boolean isAutofillEnabled() {
@@ -806,6 +851,12 @@ public class PersonalDataManager {
             long nativePersonalDataManagerAndroid, String guid);
     private native void nativeGetFullCardForPaymentRequest(long nativePersonalDataManagerAndroid,
             WebContents webContents, CreditCard card, FullCardRequestDelegate delegate);
+    private native void nativeLoadRulesForRegion(
+            long nativePersonalDataManagerAndroid, String regionCode);
+    private native void nativeStartAddressNormalizationTask(long nativePersonalDataManagerAndroid,
+            String guid, String regionCode, NormalizedAddressRequestDelegate delegate);
+    private native void nativeCancelPendingAddressNormalization(
+            long nativePersonalDataManagerAndroid);
     private static native boolean nativeIsAutofillEnabled();
     private static native void nativeSetAutofillEnabled(boolean enable);
     private static native boolean nativeIsAutofillManaged();