[SVG] Promote PathOpsSVGClipping to stable.

[SVG] Promote PathOpsSVGClipping to stable.

The feature has been in experimental state for more than a month with
no known issues.

BUG=263911
R=schenney@chromium.org, fs@opera.com, pdr@chromium.org

Committed: https://src.chromium.org/viewvc/blink?view=rev&revision=179529

[Stephen Chennney, 2014-08-05 14:40:14]

Build issue? Otherwise I would be happy.

[f(malita), 2014-08-05 14:41:05]

On 2014/08/05 14:40:14, Stephen Chenney wrote:
> Build issue? Otherwise I would be happy.

Looks unrelated. The bots are in a pretty bad shape this morning :(

[Stephen Chennney, 2014-08-05 14:59:35]

lgtm

[commit-bot: I haz the power, 2014-08-05 15:00:47]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/fmalita@chromium.org/446583002/1

[commit-bot: I haz the power, 2014-08-05 19:25:10]

FYI, CQ is re-trying this CL (attempt #1).
The failing builders are:
  linux_blink_dbg on tryserver.blink
(http://build.chromium.org/p/tryserver.blink/builders/linux_blink_dbg/builds/1...)

[commit-bot: I haz the power, 2014-08-05 21:29:42]

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

[commit-bot: I haz the power, 2014-08-05 21:29:43]

Try jobs failed on following builders:
  linux_blink_dbg on tryserver.blink
(http://build.chromium.org/p/tryserver.blink/builders/linux_blink_dbg/builds/1...)

[f(malita), 2014-08-05 21:33:28]

Committed patchset #1 manually as 179529 (presubmit successful).

[f(malita), 2014-10-17 15:28:46]

A revert of this CL (patchset #1 id:1) has been created in
https://codereview.chromium.org/645023003/ by fmalita@chromium.org.

The reason for reverting is: We've received valuable feedback from exposure to
stable. Dialing back while the issues are being worked on..