Port 2707d4c9

Original commit message:
This CL fixes tests that no longer valid and also fixes two issues:
1. 'super()' in non derived constructors.
2. Failure to step into derived constructors.

BUG=
R=paul.lind@imgtec.com

Review URL: https://codereview.chromium.org/920173002

Cr-Commit-Position: refs/heads/master@{#26635}