Upstream: ChildProcessLauncher connects renderer processes of WebAPKs.

chrome/android/java/src/org/chromium/chrome/browser/prerender/ChromePrerenderService.java

 // 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.chrome.browser.prerender;
 
 import android.app.Service;
 import android.content.Context;
 import android.content.Intent;
 import android.os.AsyncTask;
@@ skipping 21 matching lines @@
  * A bound service that warms up Chrome and performs actions related with prerendering urls.
  */
 public class ChromePrerenderService extends Service {
     public static final int MSG_PRERENDER_URL = 1;
     public static final int MSG_CANCEL_PRERENDER = 2;
     public static final String KEY_PRERENDERED_URL = "url_to_prerender";
     public static final String KEY_PRERENDER_WIDTH = "prerender_width";
     public static final String KEY_PRERENDER_HEIGHT = "prerender_height";
     public static final String KEY_REFERRER = "referrer";
 
-    private static class LauncherWarmUpTaskParams {
-        final Context mContext;
-        final ChildProcessCreationParams mParams;
-
-        LauncherWarmUpTaskParams(Context context, ChildProcessCreationParams params) {
-            mContext = context;
-            mParams = params;
-        }
-    }
-
-    private static class LauncherWarmUpTask
-            extends AsyncTask<LauncherWarmUpTaskParams, Void, Void> {
-        @Override
-        protected Void doInBackground(LauncherWarmUpTaskParams... args) {
-            ChildProcessLauncher.warmUp(args[0].mContext, args[0].mParams);
-            return null;
-        }
-    }
-
     /**
      * Handler of incoming messages from clients.
      */
     class IncomingHandler extends VerifiedHandler {
         IncomingHandler(Context context) {
             super(context, ChromeVersionInfo.isLocalBuild()
                     ? 0 : ExternalAuthUtils.FLAG_SHOULD_BE_GOOGLE_SIGNED);
         }
 
         @Override
@@ skipping 12 matching lines @@
      * for sending messages to the service.
      */
     @SuppressFBWarnings("DM_EXIT")
     @Override
     public IBinder onBind(Intent intent) {
         mMessenger = new Messenger(new IncomingHandler(getApplicationContext()));
 
         try {
             final Context context = getApplicationContext();
             final ChromeApplication chrome = (ChromeApplication) context;
-            new LauncherWarmUpTask().execute(new LauncherWarmUpTaskParams(
-                            context, chrome.getChildProcessCreationParams()));
+            ChildProcessCreationParams.set(chrome.getChildProcessCreationParams());
+            new AsyncTask<Context, Void, Void>() {
+                @Override
+                protected Void doInBackground(Context... params) {
+                    ChildProcessLauncher.warmUp(params[0]);
+                    return null;
+                }
+            }.execute(context);
             ChromeBrowserInitializer.getInstance(this).handleSynchronousStartup();
 
             ApplicationInitialization.enableFullscreenFlags(
                     getApplicationContext().getResources(),
                     getApplicationContext(), R.dimen.control_container_height);
         } catch (ProcessInitException e) {
             Log.e(this.getClass().toString(),
                     "ProcessInitException while starting the browser process");
             // Since the library failed to initialize nothing in the application
             // can work, so kill the whole application not just the activity
@@ skipping 33 matching lines @@
                 break;
             default:
                 break;
         }
     }
 
     private void prerenderUrl(String url, String referrer, int width, int height) {
         WarmupManager.getInstance().prerenderUrl(url, referrer, width, height);
     }
 }