[Autofill] Bring back isAutofillEnabled and setAutofillEnabled

The functions are still used by Clank downstream and will be removed
once only the new preferences are used by it.

TBR=mathp@chromium.org

Bug: 879384
Change-Id: Ibee61db92a2bd3cd8b4124b79fc1c0d747d401d1
Reviewed-on: https://chromium-review.googlesource.com/1198453Reviewed-by: Fabio Tirelo <ftirelo@chromium.org>
Commit-Queue: Fabio Tirelo <ftirelo@chromium.org>
Cr-Commit-Position: refs/heads/master@{#587912}

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

@@ -908,6 +908,15 @@ public class PersonalDataManager {
         return nativeHasCreditCards(mPersonalDataManagerAndroid);
     }
 
+    /**
+     * TODO(crbug.com/879420): Remove this once Clank downstream uses isAutofillProfileEnabled and
+     *                         isAutofillCreditCardEnabled.
+     * @return Whether the Autofill feature is enabled.
+     */
+    public static boolean isAutofillEnabled() {
+        return isAutofillProfileEnabled() && isAutofillCreditCardEnabled();
+    }
+
     /**
      * @return Whether the Autofill feature for Profiles (addresses) is enabled.
      */
@@ -922,6 +931,17 @@ public class PersonalDataManager {
         return nativeGetPref(Pref.AUTOFILL_CREDIT_CARD_ENABLED);
     }
 
+    /**
+     * Enables or disables the Autofill feature.
+     * TODO(crbug.com/879420): Remove this once Clank downstream uses setAutofillProfileEnabled and
+     *                         setAutofillCreditCardEnabled.
+     * @param enable True to disable Autofill, false otherwise.
+     */
+    public static void setAutofillEnabled(boolean enable) {
+        setAutofillProfileEnabled(enable);
+        setAutofillCreditCardEnabled(enable);
+    }
+
     /**
      * Enables or disables the Autofill feature for Profiles.
      * @param enable True to disable profile Autofill, false otherwise.