Better destructuring and comments

x-pack/legacy/plugins/reporting/server/browsers/chromium/driver/chromium_driver.ts

@@ -67,11 +67,16 @@ export class HeadlessChromiumDriver {
 
     await this.page.setRequestInterception(true);
 
-    // We have to reach into the Chrome Remote Protocol to apply headers as using
-    // puppeteer's API will render map tiles as blanks :/
+    // We have to reach into the Chrome Devtools Protocol to apply headers as using
+    // puppeteer's API will cause map tile requests to hang indefinitely:
+    //    https://github.com/puppeteer/puppeteer/issues/5003
+    // Docs on this client/protocol can be found here:
+    //    https://chromedevtools.github.io/devtools-protocol/tot/Fetch
     client.on('Fetch.requestPaused', (interceptedRequest: InterceptedRequest) => {
-      const requestId = interceptedRequest.requestId;
-      const interceptedUrl = interceptedRequest.request.url;
+      const {
+        requestId,
+        request: { url: interceptedUrl },
+      } = interceptedRequest;
       const allowed = !interceptedUrl.startsWith('file://');
       const isData = interceptedUrl.startsWith('data:');