Deflake svg/custom/textPath-change-reference2.svg

Deflake svg/custom/textPath-change-reference2.svg

This is a speculative fix for the flakiness we are seeing on the
textPath-change-reference2.svg test[1]. The failure is not reproducable
locally but appears as if runTest() is never called. This patch
refactors the test to not depend on runTest().

In addition, the test ids have been refactored to be understandable.

[1] http://test-results.appspot.com/dashboards/flakiness_dashboard.html#group=%40ToT%20Blink&showAllRuns=true&showExpectations=true&tests=svg%2Fcustom%2FtextPath-change-reference2.svg

BUG=384566
TBR=dpranke

Committed: https://src.chromium.org/viewvc/blink?view=rev&revision=176137

[pdr., 2014-06-13 21:42:18]

The CQ bit was checked by pdr@chromium.org

[commit-bot: I haz the power, 2014-06-13 21:43:19]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/pdr@chromium.org/333063003/1

[Dirk Pranke, 2014-06-13 21:43:30]

seems plausible, though it would be interesting to know why the onLoad() wasn't
firing or we weren't updating the screen in the other case ...

[pdr., 2014-06-13 21:44:01]

On 2014/06/13 21:43:30, Dirk Pranke wrote:
> seems plausible, though it would be interesting to know why the onLoad()
wasn't
> firing or we weren't updating the screen in the other case ...

Absolutely. If this works, there is much investigation to be done :)

[commit-bot: I haz the power, 2014-06-13 22:46:28]

FYI, CQ is re-trying this CL (attempt #1).
The failing builders are:
  win_blink_rel on tryserver.blink
(http://build.chromium.org/p/tryserver.blink/builders/win_blink_rel/builds/11964)

[commit-bot: I haz the power, 2014-06-13 23:39:32]

Change committed as 176137