Thanks for this goes to Paul Irish. For a while now I've been trying to find a way to search for a value across multiple files that are loaded in a browser request. But every time I used the Search field in Chrome Dev tools, it would only search the current file. I'm talking about the highlighted search field below:
But it turns out there's another search form you can open with ctrl-shift-f (cmd-opt-f on OSX):
Anyway - thanks again to Paul for sharing the tip and I hope it helps others.