Revert of Adding a router class to handle messages that expect responses.

mojo/bindings/java/src/org/chromium/mojo/bindings/Router.java

Index: mojo/bindings/java/src/org/chromium/mojo/bindings/Router.java
diff --git a/mojo/bindings/java/src/org/chromium/mojo/bindings/Router.java b/mojo/bindings/java/src/org/chromium/mojo/bindings/Router.java
deleted file mode 100644
index 3b8c102b2225fe39b79e05baeb2c1c8256b311f8..0000000000000000000000000000000000000000
--- a/mojo/bindings/java/src/org/chromium/mojo/bindings/Router.java
+++ /dev/null
@@ -1,37 +0,0 @@
-// 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.MessagePipeHandle;
-
-/**
- * A {@link Router} will handle mojo message and forward those to a {@link Connector}. It deals with
- * parsing of headers and adding of request ids in order to be able to match a response to a
- * request.
- */
-public interface Router extends MessageReceiverWithResponder, HandleOwner<MessagePipeHandle> {
-
-    /**
-     * Start listening for incoming messages.
-     */
-    public void start();
-
-    /**
-     * Set the {@link MessageReceiverWithResponder} that will deserialize and use the message
-     * received from the pipe.
-     */
-    public void setIncomingMessageReceiver(MessageReceiverWithResponder incomingMessageReceiver);
-
-    /**
-     * Set the handle that will be notified of errors on the message pipe.
-     */
-    public void setErrorHandler(ConnectionErrorHandler errorHandler);
-
-    /**
-     * @see java.io.Closeable#close()
-     */
-    @Override
-    public void close();
-}