Bug 138665 does not depend on any bugs.

Bug 138665 blocks 2 bugs:

•    138665: Web Inspector: Agent commands do not actually return a promise when expected [RESOLVED FIXED; assigned to bburg]
  •    147067: [META] Improvements to the Web Inspector protocol bindings [NEW; assigned to webkit-unassigned]
  •    147093: [META] Make it easier to test the Web Inspector [NEW; assigned to webkit-unassigned]