[Extension ServiceWorkers] Chrome: Passing v8::context to extensions dispatcher

chrome/test/data/extensions/api_test/service_worker/bindings/page.js

 // 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.
 
 var logForDebugging = false;
 function log(message) {
   if (logForDebugging)
     console.log(message);
 }
 navigator.serviceWorker.register('/sw.js').then(function(registration) {
   // Registration was successful
   log('ServiceWorker registration successful with scope: ',
       registration.scope);
   chrome.test.succeed();
 }).catch(function(err) {
   // registration failed :(
   var errorMsg = err.name + ': ' + err.message;
   log('ServiceWorker registration failed: ' + errorMsg);
   chrome.test.fail();
 });
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