Move paint code from RenderSVGText to SVGTextPainter

Move paint code from RenderSVGText to SVGTextPainter

This patch moves the RenderSVGText paint code into the new SVGTextPainter.
This is a straight code move and the only change that was need was to
expose localToParentTransform as public on RenderSVGText.

BUG=412088
Committed: https://src.chromium.org/viewvc/blink?view=rev&revision=182642

[pdr., 2014-09-24 23:25:09]

pdr@chromium.org changed reviewers:
+ chrishtr@chromium.org

[chrishtr, 2014-09-24 23:28:30]

The CQ bit was checked by chrishtr@chromium.org

[chrishtr, 2014-09-24 23:28:30]

lgtm

[commit-bot: I haz the power, 2014-09-24 23:29:26]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/599283002/1

[commit-bot: I haz the power, 2014-09-24 23:41:24]

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

[commit-bot: I haz the power, 2014-09-24 23:41:26]

Try jobs failed on following builders:
  linux_chromium_gn_rel on tryserver.blink
(http://build.chromium.org/p/tryserver.blink/builders/linux_chromium_gn_rel/bu...)

[pdr., 2014-09-24 23:48:11]

The CQ bit was checked by pdr@chromium.org

[commit-bot: I haz the power, 2014-09-24 23:48:43]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/599283002/1

[commit-bot: I haz the power, 2014-09-25 00:47:57]

Committed patchset #1 (id:1) as 182642