[Line Layout API] Convert QueryData and descendants to line layout API

[Line Layout API] Convert QueryData and descendants to line layout API

This CL affects a lot of code in SVGTextQuery and requires several new
API methods in the line layout API.

BUG=499321
Committed: https://crrev.com/5c96b9150acdb13102d2be5ac94f95cbffeef4d6
Cr-Commit-Position: refs/heads/master@{#356350}

[pilgrim_google, 2015-10-27 15:59:19]

pilgrim@chromium.org changed reviewers:
+ eae@chromium.org, jsbell@chromium.org, leviw@chromium.org, ojan@chromium.org

[eae, 2015-10-27 16:40:58]

LGTM

[eae, 2015-10-27 16:41:00]

The CQ bit was checked by eae@chromium.org

[commit-bot: I haz the power, 2015-10-27 16:41:30]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1417203006/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1417203006/1

[commit-bot: I haz the power, 2015-10-27 18:25:26]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-10-27 18:26:45]

Patchset 1 (id:??) landed as
https://crrev.com/5c96b9150acdb13102d2be5ac94f95cbffeef4d6
Cr-Commit-Position: refs/heads/master@{#356350}