Add PhysicalWebBroadcastService

chrome/android/java/src/org/chromium/chrome/browser/physicalweb/PhysicalWebBroadcastService.java

+// Copyright 2017 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.chrome.browser.physicalweb;
+
+import android.annotation.TargetApi;
+import android.app.Service;
+import android.content.Intent;
+import android.os.Build;
+import android.os.IBinder;
+
+/**
+ * Broadcasts Physical Web URLs via BLE.
+ **/
+// bluetooth.le.AdvertiseCallback and bluetooth.BluetoothAdapter require API level 21.
+// This will only be run on M and above.
+@TargetApi(Build.VERSION_CODES.LOLLIPOP)
+public class PhysicalWebBroadcastService extends Service {
+    public static final String DISPLAY_URL_KEY = "display_url";
+
+    @Override
+    public int onStartCommand(Intent intent, int flags, int startId) {
+        String displayUrl = intent.getStringExtra(DISPLAY_URL_KEY);
+        // This should never happen.
+        if (displayUrl == null) {
+            stopSelf();
+            return START_STICKY;
+        }
+        return START_STICKY;

[cco3, 2017/03/02 23:46:07]

go ahead and stopself() here and leave a TODO

[iankc, 2017/03/02 23:51:05]

Done.

+    }
+
+    @Override
+    public void onDestroy() {

[cco3, 2017/03/02 23:46:07]

Get rid of this

[iankc, 2017/03/02 23:51:05]

Done.

+        super.onDestroy();
+    }
+
+    @Override
+    public IBinder onBind(Intent intent) {
+        return null;
+    }
+}