Crash fix: Ignore mojo Create() calls after RFH is dead.

Crash fix: Ignore mojo Create() calls after RFH is dead.

Mojo posted tasks to call the RemoterFactory's Create() method; but
while these tasks were posted before the associated RenderFrameHost was
destroyed, they were being run after the RFH was destroyed. This change
solves the problem by storing the process/routing IDs of the RFH and
performing a look-up-by-ID before each use of the RFH.

BUG=655686
Committed: https://crrev.com/951fc9d0e3dc2db9666b803eab941bf4c53c0a4d
Cr-Commit-Position: refs/heads/master@{#426146}

[miu, 2016-10-18 20:44:45]

miu@chromium.org changed reviewers:
+ xjz@chromium.org

[miu, 2016-10-18 20:44:45]

xjz: PTAL.

[xjz, 2016-10-18 21:12:03]

lgtm

[miu, 2016-10-18 22:24:37]

The CQ bit was checked by miu@chromium.org

[commit-bot: I haz the power, 2016-10-18 22:24:59]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2016-10-18 23:28:23]

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

[commit-bot: I haz the power, 2016-10-18 23:28:24]

Try jobs failed on following builders:
  linux_chromium_chromeos_ozone_rel_ng on master.tryserver.chromium.linux
(JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.linux/builders/linux_chromium_...)

[miu, 2016-10-19 05:42:30]

The CQ bit was checked by miu@chromium.org

[commit-bot: I haz the power, 2016-10-19 05:43:11]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2016-10-19 11:06:55]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-10-21 13:06:54]

Description was changed from

==========
Crash fix: Ignore mojo Create() calls after RFH is dead.

Mojo posted tasks to call the RemoterFactory's Create() method; but
while these tasks were posted before the associated RenderFrameHost was
destroyed, they were being run after the RFH was destroyed. This change
solves the problem by storing the process/routing IDs of the RFH and
performing a look-up-by-ID before each use of the RFH.

BUG=655686
==========

to

==========
Crash fix: Ignore mojo Create() calls after RFH is dead.

Mojo posted tasks to call the RemoterFactory's Create() method; but
while these tasks were posted before the associated RenderFrameHost was
destroyed, they were being run after the RFH was destroyed. This change
solves the problem by storing the process/routing IDs of the RFH and
performing a look-up-by-ID before each use of the RFH.

BUG=655686

Committed: https://crrev.com/951fc9d0e3dc2db9666b803eab941bf4c53c0a4d
Cr-Commit-Position: refs/heads/master@{#426146}
==========

[commit-bot: I haz the power, 2016-10-21 13:06:55]

Patchset 1 (id:??) landed as
https://crrev.com/951fc9d0e3dc2db9666b803eab941bf4c53c0a4d
Cr-Commit-Position: refs/heads/master@{#426146}