Discourage creation of Java infobars without InfoBarDelegates

chrome/android/java/src/org/chromium/chrome/browser/infobar/InfoBarListeners.java

Index: chrome/android/java/src/org/chromium/chrome/browser/infobar/InfoBarListeners.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/infobar/InfoBarListeners.java b/chrome/android/java/src/org/chromium/chrome/browser/infobar/InfoBarListeners.java
deleted file mode 100644
index ec8c478df724b300ecec96eb076f5f134b82f5d3..0000000000000000000000000000000000000000
--- a/chrome/android/java/src/org/chromium/chrome/browser/infobar/InfoBarListeners.java
+++ /dev/null
@@ -1,28 +0,0 @@
-// Copyright 2013 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.infobar;
-
-/**
- * A collection of listeners for different infobar events.
- */
-public class InfoBarListeners {
-
-    /**
-     * Called whenever an infobar is dismissed, either manually or as a side
-     * effect of a navigation, replacing the infobar...
-     */
-    public interface Dismiss {
-        void onInfoBarDismissed(InfoBar infoBar);
-    }
-
-    public interface Confirm extends Dismiss {
-        /**
-         * Called whenever an infobar's confirm or cancel button is clicked.
-         */
-        public void onConfirmInfoBarButtonClicked(
-                ConfirmInfoBar infoBar, boolean confirm);
-    }
-
-}