tree c18b9c0bd4e9483d00a26c8385a5986268fb2600
parent d18fff58f9c30a3de8afee21a1fe8090001012f5
author Natalie Weizenbaum <nweiz@google.com> 1433877280 -0700
committer Natalie Weizenbaum <nweiz@google.com> 1433877280 -0700

Fix an edge case with nested Chain.capture blocks.

Specifically, when a null stack trace is passed to a completer or stream
controller in nested Chain.capture blocks, substitute the inner block's
chain rather than the outer block's. This is consistent with other
nested capture behavior, and it's useful for migrating to the new test
runner.

R=rnystrom@google.com

Review URL: https://codereview.chromium.org//1171863002.