📖:Android Debug On Linux

To make the pop-up to allow debugging session you will need the Android SDK Platform tools installed.

ASPT Installation

Arch

$ yay -S android-sdk-platform-tools

ADB

You will also need the ADB server started:

$ adb start-server

Chrome

After that instructions here worked for me.

Sources

• https://www.reddit.com/r/chrome/comments/1pwcxtx/devtools_not_displaying_android_past_offline/