Change SkPictureBuilder strategy to not create nested recorders

Change SkPictureBuilder strategy to not create nested recorders

This patch switches SkPictureBuilder to not record when slimming paint is
enabled but instead to just use the display item list and later play it
back to create a picture. Additionally, we now use a drawing recorder for
masks which properly checks caching, fixing one class of crashers from [1].

[1] https://codereview.chromium.org/1087633002

Committed: https://src.chromium.org/viewvc/blink?view=rev&revision=193972

[pdr., 2015-04-17 20:47:20]

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

[chrishtr, 2015-04-17 20:52:42]

The CQ bit was checked by chrishtr@chromium.org

[chrishtr, 2015-04-17 20:52:42]

lgtm

[commit-bot: I haz the power, 2015-04-17 20:52:56]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1087893004/1

[pdr., 2015-04-17 21:11:40]

The CQ bit was checked by pdr@chromium.org

[pdr., 2015-04-17 21:11:40]

The patchset sent to the CQ was uploaded after l-g-t-m from
chrishtr@chromium.org
Link to the patchset: https://codereview.chromium.org/1087893004/#ps20001
(title: "Rebase")

[commit-bot: I haz the power, 2015-04-17 21:12:05]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1087893004/20001

[pdr., 2015-04-17 22:52:18]

The CQ bit was unchecked by pdr@chromium.org

[pdr., 2015-04-17 22:52:23]

The CQ bit was checked by pdr@chromium.org

[commit-bot: I haz the power, 2015-04-17 22:52:53]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1087893004/20001

[commit-bot: I haz the power, 2015-04-18 02:58:08]

Committed patchset #2 (id:20001) as
https://src.chromium.org/viewvc/blink?view=rev&revision=193972