Remove devtools_bridge component

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

Index: components/devtools_bridge/test/android/javatests/src/org/chromium/components/devtools_bridge/DataChannelObserverMock.java
diff --git a/components/devtools_bridge/test/android/javatests/src/org/chromium/components/devtools_bridge/DataChannelObserverMock.java b/components/devtools_bridge/test/android/javatests/src/org/chromium/components/devtools_bridge/DataChannelObserverMock.java
deleted file mode 100644
index 68972da89fc16945bae9c31543c142320b335784..0000000000000000000000000000000000000000
--- a/components/devtools_bridge/test/android/javatests/src/org/chromium/components/devtools_bridge/DataChannelObserverMock.java
+++ /dev/null
@@ -1,36 +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;
-import java.util.concurrent.CountDownLatch;
-import java.util.concurrent.LinkedBlockingDeque;
-
-/**
- * Mock for AbstractDataChannel.Observer.
- */
-public class DataChannelObserverMock implements AbstractDataChannel.Observer {
-    public final CountDownLatch opened = new CountDownLatch(1);
-    public final CountDownLatch closed = new CountDownLatch(1);
-    public final LinkedBlockingDeque<byte[]> received = new LinkedBlockingDeque<byte[]>();
-
-    public void onStateChange(AbstractDataChannel.State state) {
-        switch (state) {
-            case OPEN:
-                opened.countDown();
-                break;
-
-            case CLOSED:
-                closed.countDown();
-                break;
-        }
-    }
-
-    public void onMessage(ByteBuffer message) {
-        byte[] bytes = new byte[message.remaining()];
-        message.get(bytes);
-        received.add(bytes);
-    }
-}