Invalidation not taking glyph bounds into account on HarfBuzz path

Invalidation not taking glyph bounds into account on HarfBuzz path

Implement support for computing and populating the GlyphOverflow
structure for the harfbuzz code path. The current implementation is a
straight copy of the current Mac implementation with minor
modifications to use the corresponding harfbuzz APIs.

R=dglazkov@chromium.org,behdad@chromium.org
BUG=354165
TEST=fast/text/international/repaint-glyph-bounds.html

Committed: https://src.chromium.org/viewvc/blink?view=rev&revision=169605

[behdad, 2014-03-19 23:23:01]

lgtm

[eae, 2014-03-20 00:08:58]

The CQ bit was checked by eae@chromium.org

[commit-bot: I haz the power, 2014-03-20 00:09:07]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/eae@chromium.org/205553003/20001

[commit-bot: I haz the power, 2014-03-20 00:09:08]

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

[commit-bot: I haz the power, 2014-03-20 00:09:09]

No LGTM from a valid reviewer yet. Only full committers are accepted.
Even if an LGTM may have been provided, it was from a non-committer or
a lowly provisional committer, _not_ a full super star committer.
See http://www.chromium.org/getting-involved/become-a-committer
Note that this has nothing to do with OWNERS files.

[dglazkov, 2014-03-20 00:29:52]

lgtm

[commit-bot: I haz the power, 2014-03-20 00:29:57]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/eae@chromium.org/205553003/20001

[commit-bot: I haz the power, 2014-03-20 03:55:05]

Change committed as 169605