fix: regressions introduced by adding world isolation to Chrome extension content scripts (#17422)

spec/fixtures/extensions/chrome-api/background.js

@@ -0,0 +1,20 @@
+/* global chrome */
+
+chrome.runtime.onMessage.addListener((message, sender, sendResponse) => {
+  const { method, args = [] } = message
+  const tabId = sender.tab.id
+
+  switch (method) {
+    case 'sendMessage': {
+      const [message] = args
+      chrome.tabs.sendMessage(tabId, { message, tabId }, undefined, sendResponse)
+      break
+    }
+
+    case 'executeScript': {
+      const [code] = args
+      chrome.tabs.executeScript(tabId, { code }, ([result]) => sendResponse(result))
+      break
+    }
+  }
+})

spec/fixtures/extensions/chrome-api/main.js

@@ -1,15 +1,28 @@
 /* global chrome */
 
+chrome.runtime.onMessage.addListener((message, sender, sendResponse) => {
+  sendResponse(message)
+})
+
 const testMap = {
   getManifest () {
     const manifest = chrome.runtime.getManifest()
     console.log(JSON.stringify(manifest))
+  },
+  sendMessage (message) {
+    chrome.runtime.sendMessage({ method: 'sendMessage', args: [message] }, response => {
+      console.log(JSON.stringify(response))
+    })
+  },
+  executeScript (code) {
+    chrome.runtime.sendMessage({ method: 'executeScript', args: [code] }, response => {
+      console.log(JSON.stringify(response))
+    })
   }
 }
 
 const dispatchTest = (event) => {
-  const testName = event.data
-  const test = testMap[testName]
-  test()
+  const { method, args = [] } = JSON.parse(event.data)
+  testMap[method](...args)
 }
 window.addEventListener('message', dispatchTest, false)

spec/fixtures/extensions/chrome-api/manifest.json

@@ -8,5 +8,9 @@
       "run_at": "document_start"
     }
   ],
+  "background": {
+    "scripts": ["background.js"],
+    "persistent": false
+  },
   "manifest_version": 2
 }