Revert of DevTools socket tunnel.

components/devtools_bridge/test/android/javatests/src/org/chromium/components/devtools_bridge/DataPipe.java

Index: components/devtools_bridge/test/android/javatests/src/org/chromium/components/devtools_bridge/DataPipe.java
diff --git a/components/devtools_bridge/test/android/javatests/src/org/chromium/components/devtools_bridge/DataPipe.java b/components/devtools_bridge/test/android/javatests/src/org/chromium/components/devtools_bridge/DataPipe.java
deleted file mode 100644
index c36319a897c3d8c2d6392642188de97893118c4b..0000000000000000000000000000000000000000
--- a/components/devtools_bridge/test/android/javatests/src/org/chromium/components/devtools_bridge/DataPipe.java
+++ /dev/null
@@ -1,79 +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.components.devtools_bridge;
-
-import java.nio.ByteBuffer;
-
-/**
- * Represents a pair of connected AbstractDataChannel's. Sends to one channel
- * come to another and vice versa.
- */
-public class DataPipe {
-    private final SignalingThreadMock mSignalingThread = new SignalingThreadMock();
-
-    private final PairedDataChannel mDC0 = new PairedDataChannel();
-    private final PairedDataChannel mDC1 = new PairedDataChannel();
-
-    public void connect() {
-        mDC0.setPair(mDC1);
-        mDC1.setPair(mDC0);
-        mDC0.open();
-        mDC1.open();
-    }
-
-    public void disconnect() {
-        mDC0.setPair(null);
-        mDC1.setPair(null);
-        mDC0.close();
-        mDC1.close();
-    }
-
-    public AbstractDataChannel dataChannel(int index) {
-        switch (index) {
-            case 0:
-                return mDC0;
-            case 1:
-                return mDC1;
-            default:
-                throw new IllegalArgumentException("index");
-        }
-    }
-
-    public void dispose() {
-        mDC0.dispose();
-        mDC1.dispose();
-        mSignalingThread.dispose();
-    }
-
-    private class PairedDataChannel extends DataChannelMock {
-        private PairedDataChannel mPair;
-
-        public PairedDataChannel() {
-            super(mSignalingThread);
-        }
-
-        public void setPair(final PairedDataChannel pair) {
-            mSignalingThread.invoke(new Runnable() {
-                @Override
-                public void run() {
-                    mPair = pair;
-                }
-            });
-        }
-
-        @Override
-        protected void sendOnSignalingThread(ByteBuffer message) {
-            assert message.remaining() > 0;
-
-            if (mPair == null) return;
-            mPair.notifyMessageOnSignalingThread(message);
-        }
-
-        @Override
-        protected void disposeSignalingThread() {
-            // Ignore. Will dispose in DataPipe.dispose.
-        }
-    }
-}