remove unnessary overrides, as base class now does this for shaders

remove unnessary overrides, as base class now does this for shaders

win_chromium_rel failure unrelated to this CL
NOTRY=True

Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=267724

[scroggo, 2014-04-30 21:39:26]

On 2014/04/30 18:45:21, reed1 wrote:

As noted in https://codereview.chromium.org/262703002/, if contextSize returns
0, this may result in an assert (but then again, it may not; I don't know this
test well).

[scroggo, 2014-04-30 21:39:34]

On 2014/04/30 21:39:26, scroggo wrote:
> On 2014/04/30 18:45:21, reed1 wrote:
> 
> As noted in https://codereview.chromium.org/262703002/, if contextSize returns
> 0, this may result in an assert (but then again, it may not; I don't know this
> test well).

lgtm though

[reed1, 2014-05-01 19:03:44]

The CQ bit was checked by reed@google.com

[commit-bot: I haz the power, 2014-05-01 19:04:17]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/reed@google.com/264463003/20001

[commit-bot: I haz the power, 2014-05-01 19:04:17]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2014-05-01 19:04:18]

No LGTM from a valid reviewer yet. Only full committers are accepted.
Even if an LGTM may have been provided, it was from a non-committer or
a provisional committer, _not_ a full super star committer.
See http://www.chromium.org/getting-involved/become-a-committer
Note that this has nothing to do with OWNERS files.

[f(malita), 2014-05-01 19:05:22]

lgtm

[reed1, 2014-05-01 19:05:48]

The CQ bit was checked by reed@google.com

[commit-bot: I haz the power, 2014-05-01 19:06:01]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/reed@google.com/264463003/20001

[commit-bot: I haz the power, 2014-05-01 19:57:27]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2014-05-01 19:57:27]

Try jobs failed on following builders:
  linux_chromium_rel on tryserver.chromium

[reed1, 2014-05-01 20:13:50]

The CQ bit was checked by reed@google.com

[commit-bot: I haz the power, 2014-05-01 20:14:24]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/reed@google.com/264463003/20001

[reed2, 2014-05-02 01:58:44]

The CQ bit was unchecked by reed@chromium.org

[reed2, 2014-05-02 01:58:59]

The CQ bit was checked by reed@chromium.org

[commit-bot: I haz the power, 2014-05-02 02:00:32]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/reed@google.com/264463003/20001

[commit-bot: I haz the power, 2014-05-02 02:01:36]

Change committed as 267724