chrome.webRequest support for ExtensionSettings

chrome/test/data/extensions/api_test/webrequest/policy_blocked/background.js

+// Copyright (c) 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.
+
+// Attempt to block loading of references_remote_js on site different than
+// origin. The policy will prevent the block and the JS will load declaring
+// a success.
+chrome.webRequest.onBeforeRequest.addListener(function(details) {
+   if(details.url.indexOf("ref_remote_js.js") != -1) {
+     chrome.test.sendMessage("protected_origin");
+   }
+   if(details.url.indexOf("protected_url.html") != -1) {
+     chrome.test.sendMessage("protected_url");
+   }
+}, {urls: ["<all_urls>"]}, ["blocking"]);
+
+chrome.webRequest.onBeforeSendHeaders.addListener(function(details) {
+  if(details.url.indexOf("direct_ip.html") != -1) {
+    for(var i = 0; i < details.requestHeaders.length; i++) {
+      if (details.requestHeaders[i]['name'] == 'Host'){
+        console.log("direct ip");
+        details.requestHeaders[i].value = 'efxample.com';
+      }
+    }
+    console.log('direct ip push');
+    details.requestHeaders.push({
+      name: 'Host',
+      value: 'efxample.com'
+    });
+    return {requestHeaders: details.requestHeaders};
+  }
+},
+{urls: ["<all_urls>"]},
+["requestHeaders"]);