Move pathLength scale-factor computation to SVGPathElement

Move pathLength scale-factor computation to SVGPathElement

There'll eventually be more users of it. Maybe by means of the bug
referenced below.

BUG=366559
Committed: https://crrev.com/233aa75282a727b00668c445ca5a3c02fe6ccc84
Cr-Commit-Position: refs/heads/master@{#374446}

[fs, 2016-02-09 19:17:12]

fs@opera.com changed reviewers:
+ fmalita@chromium.org, pdr@chromium.org, schenney@chromium.org

[f(malita), 2016-02-09 19:41:29]

lgtm

[fs, 2016-02-09 20:05:06]

The CQ bit was checked by fs@opera.com

[commit-bot: I haz the power, 2016-02-09 20:09:29]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1680183002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1680183002/1

[commit-bot: I haz the power, 2016-02-09 20:20:03]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-02-09 20:21:51]

Description was changed from

==========
Move pathLength scale-factor computation to SVGPathElement

There'll eventually be more users of it. Maybe by means of the bug
referenced below.

BUG=366559
==========

to

==========
Move pathLength scale-factor computation to SVGPathElement

There'll eventually be more users of it. Maybe by means of the bug
referenced below.

BUG=366559

Committed: https://crrev.com/233aa75282a727b00668c445ca5a3c02fe6ccc84
Cr-Commit-Position: refs/heads/master@{#374446}
==========

[commit-bot: I haz the power, 2016-02-09 20:21:53]

Patchset 1 (id:??) landed as
https://crrev.com/233aa75282a727b00668c445ca5a3c02fe6ccc84
Cr-Commit-Position: refs/heads/master@{#374446}