Removing empty function definitions and WebAXObject interfaces

Removing empty function definitions and WebAXObject interfaces

There were *FIXME* in thirdparty/Webkit//Source/core/accessibility/AXObjectCache.cpp rregarding no necessity of the functions startCachingComputedObjectAttributesUntilTreeMutates() and stopCachingComputedObjectAttributes() and concerned WebAXObject interfaces. 

Already uploaded the patch with Chromium side changes.
(https://codereview.chromium.org/245053004/)

Committed: https://src.chromium.org/viewvc/blink?view=rev&revision=172319

[suyash, 2014-04-21 12:46:17]

Kindly review the patch.Thanks!

[dmazzoni, 2014-04-21 14:49:41]

lgtm

+dglazkov for public/web

(Please don't cq until Chromium change lands)

[suyash, 2014-04-22 07:57:57]

Thanks for the review.
Will make sure the chromium patch lands first

[suyash, 2014-04-22 08:54:36]

The CQ bit was checked by suyash.s@samsung.com

[commit-bot: I haz the power, 2014-04-22 08:54:44]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/suyash.s@samsung.com/242513009/1

[commit-bot: I haz the power, 2014-04-22 09:02:11]

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

[commit-bot: I haz the power, 2014-04-22 09:02:12]

Try jobs failed on following builders:
  tryserver.blink on blink_presubmit

[suyash, 2014-04-22 09:12:10]

On 2014/04/22 09:02:12, I haz the power (commit-bot) wrote:
> Try jobs failed on following builders:
>   tryserver.blink on blink_presubmit

@dglazkov Can you please review this patch?

The corresponding chromium change has been merged :
https://codereview.chromium.org/245053004/

[dglazkov, 2014-04-22 15:25:40]

lgtm

[suyash, 2014-04-23 04:56:03]

The CQ bit was checked by suyash.s@samsung.com

[commit-bot: I haz the power, 2014-04-23 04:56:22]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/suyash.s@samsung.com/242513009/1

[suyash, 2014-04-23 05:14:27]

On 2014/04/23 04:56:22, I haz the power (commit-bot) wrote:
> CQ is trying da patch. Follow status at
> https://chromium-status.appspot.com/cq/suyash.s@samsung.com/242513009/1

@dglazkov thanks for the review! :)

[commit-bot: I haz the power, 2014-04-23 06:06:51]

Change committed as 172319