Make use of new faster Blink AX live region APIs.

Make use of new faster Blink AX live region APIs.

This makes generating the accessibility tree for at least one
page more than 25% faster, and it should help at least a bit on
almost any page.

BUG=427402
Committed: https://crrev.com/9cabe256d4cff48ffba428c872c750f6b9000ee3
Cr-Commit-Position: refs/heads/master@{#302236}

[dmazzoni, 2014-10-27 07:22:29]

dmazzoni@chromium.org changed reviewers:
+ aboxhall@chromium.org

[aboxhall, 2014-10-27 16:37:37]

https://codereview.chromium.org/682583002/diff/1/content/renderer/accessibili...
File content/renderer/accessibility/blink_ax_tree_source.cc (right):

https://codereview.chromium.org/682583002/diff/1/content/renderer/accessibili...
content/renderer/accessibility/blink_ax_tree_source.cc:377: if
(src.isInLiveRegion()) {
I couldn't find this method - is there a blink side patch still pending?

[aboxhall, 2014-10-27 16:46:49]

On 2014/10/27 16:37:37, aboxhall wrote:
>
https://codereview.chromium.org/682583002/diff/1/content/renderer/accessibili...
> File content/renderer/accessibility/blink_ax_tree_source.cc (right):
> 
>
https://codereview.chromium.org/682583002/diff/1/content/renderer/accessibili...
> content/renderer/accessibility/blink_ax_tree_source.cc:377: if
> (src.isInLiveRegion()) {
> I couldn't find this method - is there a blink side patch still pending?

Oh, right, the other patch you sent me :)
https://codereview.chromium.org/659563006/

[dmazzoni, 2014-10-27 19:25:55]

PTAL again now that you've reviewed the change this depends on?

[aboxhall, 2014-10-27 19:36:04]

lgtm

[dmazzoni, 2014-10-28 06:17:41]

The CQ bit was checked by dmazzoni@chromium.org

[commit-bot: I haz the power, 2014-10-28 06:18:50]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/682583002/1

[commit-bot: I haz the power, 2014-10-28 07:30:15]

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

[commit-bot: I haz the power, 2014-10-28 07:30:16]

Try jobs failed on following builders:
  win8_chromium_rel on tryserver.chromium.win
(http://build.chromium.org/p/tryserver.chromium.win/builders/win8_chromium_rel...)

[dmazzoni, 2014-10-29 09:27:43]

The CQ bit was checked by dmazzoni@chromium.org

[commit-bot: I haz the power, 2014-10-29 09:28:12]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/682583002/20001

[commit-bot: I haz the power, 2014-10-29 10:41:42]

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

[commit-bot: I haz the power, 2014-10-29 10:41:43]

Try jobs failed on following builders:
  mac_chromium_rel on tryserver.chromium.mac
(http://build.chromium.org/p/tryserver.chromium.mac/builders/mac_chromium_rel/...)

[dmazzoni, 2014-10-29 15:51:25]

The CQ bit was checked by dmazzoni@chromium.org

[commit-bot: I haz the power, 2014-10-29 15:52:48]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/682583002/40001

[commit-bot: I haz the power, 2014-10-29 17:48:28]

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

[commit-bot: I haz the power, 2014-10-29 17:48:33]

Try jobs failed on following builders:
  android_dbg_tests_recipe on tryserver.chromium.linux
(http://build.chromium.org/p/tryserver.chromium.linux/builders/android_dbg_tes...)

[dmazzoni, 2014-10-31 06:02:14]

The CQ bit was checked by dmazzoni@chromium.org

[commit-bot: I haz the power, 2014-10-31 06:02:57]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/682583002/60001

[commit-bot: I haz the power, 2014-10-31 06:55:04]

Committed patchset #4 (id:60001)

[commit-bot: I haz the power, 2014-10-31 07:24:44]

Patchset 4 (id:??) landed as
https://crrev.com/9cabe256d4cff48ffba428c872c750f6b9000ee3
Cr-Commit-Position: refs/heads/master@{#302236}