Keep text position locally in SVGTextMetricsBuilder::measureTextRenderer

Keep text position locally in SVGTextMetricsBuilder::measureTextRenderer

Passing m_textPosition as an argument to the various helper methods
allows it to be removed from SVGTextMetricsBuilder and stored on the
stack of measureTextRenderer.

Committed: https://src.chromium.org/viewvc/blink?view=rev&revision=168618

[fs, 2014-03-05 17:05:01]

(Maybe not the most obvious improvement, but the next CL in this series - which
move remaining state to a [local] helper object - and keeping the position in
there made/make access to it unnecessarily unwieldy. IMHO.)

[Stephen Chennney, 2014-03-05 18:08:01]

Someone else broke the Android build. LGTM

[Stephen Chennney, 2014-03-05 18:08:07]

The CQ bit was checked by schenney@chromium.org

[commit-bot: I haz the power, 2014-03-05 18:08:58]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/fs@opera.com/182733010/1

[commit-bot: I haz the power, 2014-03-05 21:00:23]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/fs@opera.com/182733010/1

[commit-bot: I haz the power, 2014-03-06 02:42:31]

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

[commit-bot: I haz the power, 2014-03-06 02:42:32]

Try jobs failed on following builders: win_blink_rel

[fs, 2014-03-06 09:13:24]

The CQ bit was checked by fs@opera.com

[commit-bot: I haz the power, 2014-03-06 09:13:29]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/fs@opera.com/182733010/1

[commit-bot: I haz the power, 2014-03-06 10:33:02]

Change committed as 168618