Add support for calling the java Callback from native.

chrome/android/java/src/org/chromium/chrome/browser/preferences/website/WebsitePreferenceBridge.java

Index: chrome/android/java/src/org/chromium/chrome/browser/preferences/website/WebsitePreferenceBridge.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/preferences/website/WebsitePreferenceBridge.java b/chrome/android/java/src/org/chromium/chrome/browser/preferences/website/WebsitePreferenceBridge.java
index ca8ce05a8698f5ffe53e851d741294907986d16d..dc8d402f51469ba68454d54777d8da21079f2c52 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/preferences/website/WebsitePreferenceBridge.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/preferences/website/WebsitePreferenceBridge.java
@@ -4,6 +4,7 @@
 
 package org.chromium.chrome.browser.preferences.website;
 
+import org.chromium.base.Callback;
 import org.chromium.base.annotations.CalledByNative;
 import org.chromium.chrome.browser.preferences.PrefServiceBridge;
 import org.chromium.content_public.browser.WebContents;
@@ -19,22 +20,6 @@ public abstract class WebsitePreferenceBridge {
     private static final String LOG_TAG = "WebsiteSettingsUtils";
 
     /**
-     * Interface for an object that listens to local storage info is ready callback.
-     */
-    public interface LocalStorageInfoReadyCallback {
-        @CalledByNative("LocalStorageInfoReadyCallback")
-        public void onLocalStorageInfoReady(HashMap map);
-    }
-
-    /**
-     * Interface for an object that listens to storage info is ready callback.
-     */
-    public interface StorageInfoReadyCallback {
-        @CalledByNative("StorageInfoReadyCallback")
-        public void onStorageInfoReady(ArrayList array);
-    }
-
-    /**
      * Interface for an object that listens to storage info is cleared callback.
      */
     public interface StorageInfoClearedCallback {
@@ -226,11 +211,11 @@ public abstract class WebsitePreferenceBridge {
         return managedExceptions;
     }
 
-    public static void fetchLocalStorageInfo(LocalStorageInfoReadyCallback callback) {
+    public static void fetchLocalStorageInfo(Callback<HashMap> callback) {
         nativeFetchLocalStorageInfo(callback);
     }
 
-    public static void fetchStorageInfo(StorageInfoReadyCallback callback) {
+    public static void fetchStorageInfo(Callback<ArrayList> callback) {
         nativeFetchStorageInfo(callback);
     }