Make the fuchsia mojo/public repo the source of truth.

mojo/public/java/bindings/src/org/chromium/mojo/bindings/DelegatingConnectionErrorHandler.java

-// Copyright 2014 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.mojo.bindings;
-
-import org.chromium.mojo.system.MojoException;
-
-import java.util.Collections;
-import java.util.Set;
-import java.util.WeakHashMap;
-
-/**
- * A {@link ConnectionErrorHandler} that delegate the errors to a list of registered handlers. This
- * class will use weak pointers to prevent keeping references to any handlers it delegates to.
- */
-public class DelegatingConnectionErrorHandler implements ConnectionErrorHandler {
-
-    /**
-     * The registered handlers. This uses a {@link WeakHashMap} so that it doesn't prevent the
-     * handler from being garbage collected.
-     */
-    private final Set<ConnectionErrorHandler> mHandlers =
-            Collections.newSetFromMap(new WeakHashMap<ConnectionErrorHandler, Boolean>());
-
-    /**
-     * @see ConnectionErrorHandler#onConnectionError(MojoException)
-     */
-    @Override
-    public void onConnectionError(MojoException e) {
-        for (ConnectionErrorHandler handler : mHandlers) {
-            handler.onConnectionError(e);
-        }
-    }
-
-    /**
-     * Add a handler that will be notified of any error this object receives.
-     */
-    public void addConnectionErrorHandler(ConnectionErrorHandler handler) {
-        mHandlers.add(handler);
-    }
-
-    /**
-     * Remove a previously registered handler.
-     */
-    public void removeConnectionErrorHandler(ConnectionErrorHandler handler) {
-        mHandlers.remove(handler);
-    }
-}