Don't create a BrowserAccessibilityManager for a child frame on Android.

Don't create a BrowserAccessibilityManager for a child frame on Android.

A better fix will be needed for cross-process iframes support, but for now
this is safe and solves the bug.

BUG=423846
Committed: https://crrev.com/15e2d7bf457500773baba21cf7697bc431ad2dec
Cr-Commit-Position: refs/heads/master@{#299845}

[dmazzoni, 2014-10-15 22:22:19]

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

[aelias_OOO_until_Jul13, 2014-10-15 22:24:07]

lgtm

[dmazzoni, 2014-10-15 22:25:59]

The CQ bit was checked by dmazzoni@chromium.org

[commit-bot: I haz the power, 2014-10-15 22:27:05]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/643893003/1

[dmazzoni, 2014-10-15 22:39:07]

The CQ bit was unchecked by dmazzoni@chromium.org

[dmazzoni, 2014-10-15 22:39:26]

Unchecking commit box - this isn't quite right

[dmazzoni, 2014-10-15 22:59:06]

Better fix uploaded, PTAL.

Sorry to waste your time.

[aelias_OOO_until_Jul13, 2014-10-15 23:04:36]

lgtm

[dmazzoni, 2014-10-16 04:03:47]

The CQ bit was checked by dmazzoni@chromium.org

[commit-bot: I haz the power, 2014-10-16 04:04:36]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/643893003/20001

[commit-bot: I haz the power, 2014-10-16 04:51:36]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2014-10-16 04:52:23]

Patchset 2 (id:??) landed as
https://crrev.com/15e2d7bf457500773baba21cf7697bc431ad2dec
Cr-Commit-Position: refs/heads/master@{#299845}