Let test driver export json results.

Let test driver export json results.

BUG=374134
LOG=n
R=jkummerow@chromium.org

Committed: https://code.google.com/p/v8/source/detail?r=21358

[Michael Achenbach, 2014-05-16 09:49:39]

PTAL

[Jakob Kummerow, 2014-05-16 14:48:34]

As discussed offline, a cleaner approach would be to implement dumping results
to a JSON file in the ProgressIndicator framework, similar to the JUnit progress
indicator.

[Michael Achenbach, 2014-05-16 15:12:44]

PTAL at patch 4.

[Jakob Kummerow, 2014-05-16 15:28:33]

LGTM, this is much better. One comment.

https://codereview.chromium.org/285193009/diff/80001/tools/testrunner/local/p...
File tools/testrunner/local/progress.py (right):

https://codereview.chromium.org/285193009/diff/80001/tools/testrunner/local/p...
tools/testrunner/local/progress.py:324: "suite": test.suite.name,
Consider combining "suite" and "path" to:
"test": test.GetLabel(),

[Michael Achenbach, 2014-05-16 17:54:08]

On 2014/05/16 15:28:33, Jakob wrote:
> LGTM, this is much better. One comment.
> 
>
https://codereview.chromium.org/285193009/diff/80001/tools/testrunner/local/p...
> File tools/testrunner/local/progress.py (right):
> 
>
https://codereview.chromium.org/285193009/diff/80001/tools/testrunner/local/p...
> tools/testrunner/local/progress.py:324: "suite": test.suite.name,
> Consider combining "suite" and "path" to:
> "test": test.GetLabel(),

I might need to separate it on the buildbot again as for the ui it needs to be
as short as possible. But it doesn't matter as it is always the first "/".

[Michael Achenbach, 2014-05-19 08:37:13]

Committed patchset #5 manually as r21358 (presubmit successful).