Set chrome.runtime.id

lib/renderer/chrome-api.js

@@ -99,6 +99,8 @@ exports.injectTo = function (extensionId, isBackgroundPage, context) {
   })
 
   chrome.runtime = {
+    id: extensionId,
+
     getURL: function (path) {
       return url.format({
         protocol: 'chrome-extension',