Upstream: Renderers are running in WebAPKs.

content/public/android/java/src/org/chromium/content/app/DownloadProcessService.java

 // Copyright 2016 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.content.app;
 
 import android.annotation.SuppressLint;
 import android.app.Notification;
 import android.content.Intent;
 import android.os.Build;
@@ skipping 22 matching lines @@
         super.onCreate();
         // TODO(qinmin): Use the first pending download as notification, or
         // get a more proper notification for this.
         startForeground(R.id.download_service_notification, new Notification());
     }
 
     @Override
     @SuppressLint("NewApi")
     public int onStartCommand(Intent intent, int flags, int startId) {
         assert Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR2;
-        initializeParams(intent);
+        ChildProcessServiceImpl impl = getChildProcessServiceImpl();

[Maria, 2016/06/17 17:09:24]

I think that instead of surfacing the impl and letting code here call it, you
should expose the calls on ChildProcessService and proxy inside the service.
This leaks implementation details.

[Xi Han, 2016/06/17 18:35:20]

That is what I did before. Sorry Peter, revert it back.

+        impl.initializeParams(intent);
         Bundle bundle = intent.getExtras();
         if (bundle != null) {
             IBinder binder = bundle.getBinder(ChildProcessConstants.EXTRA_CHILD_PROCESS_CALLBACK);
             mCallback = IChildProcessCallback.Stub.asInterface(binder);
-            getServiceInfo(bundle);
+            impl.getServiceInfo(bundle);
         }
         return START_STICKY;
     }
 
     /**
      * Will be called by the native side when a download starts or is rejected.
      *
      * @CalledByNative
      */
     private void onDownloadStarted(boolean started, int downloadId) {
@@ skipping 10 matching lines @@
     /**
      * Will be called by the native side when a download completes.
      *
      * @CalledByNative
      */
     private void onDownloadCompleted(boolean success) {
         mDownloadCount--;
         if (mDownloadCount == 0) stopSelf();
     }
 }