[Android] Add an out-of-app instrumentation driver APK.

testing/android/java/src/org/chromium/test/reporter/ReportingService.java

Index: testing/android/java/src/org/chromium/test/reporter/ReportingService.java
diff --git a/testing/android/java/src/org/chromium/test/reporter/ReportingService.java b/testing/android/java/src/org/chromium/test/reporter/ReportingService.java
new file mode 100644
index 0000000000000000000000000000000000000000..8500906ecb395601f8ad56a1f4c0429e6453b419
--- /dev/null
+++ b/testing/android/java/src/org/chromium/test/reporter/ReportingService.java
@@ -0,0 +1,74 @@
+// Copyright 2015 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.test.reporter;
+
+import android.app.Service;
+import android.content.Intent;
+import android.os.Handler;
+import android.os.IBinder;
+import android.os.Message;
+import android.os.Messenger;
+import android.os.RemoteException;
+import android.util.Log;
+
+import java.util.HashSet;
+import java.util.Set;
+
+/**
+ * A Service that allows instrumentation tests driven by
+ * {@link org.chromium.test.driver.OnDeviceInstrumentationDriver} to report results.
+ */
+public class ReportingService extends Service {
+
+    public static final String MSG_DATA_TEST_CLASS =
+            "org.chromium.test.reporter.MsgDataTestClass";
+    public static final String MSG_DATA_TEST_METHOD =
+            "org.chromium.test.reporter.MsgDataTestMethod";
+
+    public static final int MSG_REGISTER_RECEIVER = 0;
+    public static final int MSG_UNREGISTER_RECEIVER = 1;
+    public static final int MSG_REPORT_TEST_STARTED = 2;
+    public static final int MSG_REPORT_TEST_PASSED = 3;
+    public static final int MSG_REPORT_TEST_FAILED = 4;
+
+    private static final String TAG = "ReportingService";
+
+    private final Set<Messenger> mReceivers = new HashSet<Messenger>();
+    private final Messenger mMessenger = new Messenger(new MessageHandler());
+
+    private class MessageHandler extends Handler {
+        @Override
+        public void handleMessage(Message msg) {
+            switch (msg.what) {
+                case MSG_REGISTER_RECEIVER:
+                    mReceivers.add(msg.replyTo);
+                    break;
+                case MSG_UNREGISTER_RECEIVER:
+                    mReceivers.remove(msg.replyTo);
+                    break;
+                case MSG_REPORT_TEST_STARTED:
+                case MSG_REPORT_TEST_PASSED:
+                case MSG_REPORT_TEST_FAILED:
+                    for (Messenger m : mReceivers) {
+                        try {
+                            m.send(msg);
+                        } catch (RemoteException e) {
+                            Log.e(TAG, "Error sending message to " + m.toString(), e);
+                        }
+                    }
+                    break;
+                default:
+                    super.handleMessage(msg);
+                    break;
+            }
+        }
+    }
+
+    @Override
+    public IBinder onBind(Intent intent) {
+        return mMessenger.getBinder();
+    }
+
+}