### Website or app

reactjs.org

### Repro steps

1. Open a website that uses React.
2. Inspect an element that uses Hooks.
3. Attempt to load hook names.
4. Loading hook names always fails:

![image](https://user-images.githubusercontent.com/1271509/137997605-a3f601a9-59e5-4370-b307-3ff50af22cae.png)

};
          let debugIDCounter = 0;
          
          
          let fetchFileWithCaching = null;
          if (isChrome) {
            const fetchFromNetworkCache = (url, resolve, reject) => {
              
              
              let debugID = null;
              if (__DEBUG__) {
                debugID = debugIDCounter++;
                console.log(`[main] fetchFromNetworkCache(${debugID})`, url);
              }
              chrome.devtools.network.getHAR(harLog => {
                for (let i = 0; i < harLog.entries.length; i++) {
                  const entry = harLog.entries[i];
                  if (url === entry.request.url) {
                    if (__DEBUG__) {
                      console.log(
                        `[main] fetchFromNetworkCache(${debugID}) Found matching URL in HAR`,
                        url,
                      );
                    }
                    entry.getContent(content => {
                      if (content) {
                        if (__DEBUG__) {
                          console.log(
                            `[main] fetchFromNetworkCache(${debugID}) Content retrieved`,
                          );