lib/browser/chrome-extension.js
function (manifest) {
  return {
    startPage: manifest.startPage,
    srcDirectory: manifest.srcDirectory,
    name: manifest.name,
    exposeExperimentalAPIs: true
  }
}
function (manifest) {
  return {
    startPage: manifest.startPage,
    srcDirectory: manifest.srcDirectory,
    name: manifest.name,
    exposeExperimentalAPIs: true
  }
}
function ( manifest ) { return { startPage : manifest . startPage , srcDirectory : manifest . srcDirectory , name : manifest . name , exposeExperimentalAPIs : true } }
Transfer the |manifest| to a format that can be recognized by the |DevToolsAPI.addExtensions|.
Transfer the |manifest| to a format that can be recognized by the |DevToolsAPI . addExtensions| .