X87: new classes: no longer experimental.

X87: new classes: no longer experimental.

port 2707d4c9f4b6e6e600e708b3b08b09d27d594ce7 (r26628).

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   This CL fixes tests that no longer valid and also fixes two issues: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=

Committed: https://crrev.com/a34ed97234883129d1bc8d32ecdd7b0fb7e5a2b7
Cr-Commit-Position: refs/heads/master@{#26647}

[chunyang.dai, 2015-02-13 02:21:09]

chunyang.dai@intel.com changed reviewers:
+ dslomov@chromium.org, weiliang.lin@intel.com

[chunyang.dai, 2015-02-13 02:22:28]

PTAL.

[Dmitry Lomov (no reviews), 2015-02-13 16:27:55]

lgtm

[chunyang.dai, 2015-02-15 01:16:40]

The CQ bit was checked by chunyang.dai@intel.com

[commit-bot: I haz the power, 2015-02-15 01:17:13]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/920543005/1

[commit-bot: I haz the power, 2015-02-15 01:50:48]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-02-15 01:51:09]

Patchset 1 (id:??) landed as
https://crrev.com/a34ed97234883129d1bc8d32ecdd7b0fb7e5a2b7
Cr-Commit-Position: refs/heads/master@{#26647}