ipc: Remove use of MessageLoopProxy and deprecated MessageLoop APIs

ipc: Remove use of MessageLoopProxy and deprecated MessageLoop APIs

This patch was autogenerated with https://codereview.chromium.org/1010073002/.

BUG=465354
Committed: https://crrev.com/e687bdff5dd7bfed6304396880699fc05550c869
Cr-Commit-Position: refs/heads/master@{#329389}

[Sami, 2015-05-11 14:55:24]

skyostil@chromium.org changed reviewers:
+ agl@chromium.org

[agl, 2015-05-11 18:26:10]

lgtm

[Sami, 2015-05-12 09:27:36]

The CQ bit was checked by skyostil@chromium.org

[commit-bot: I haz the power, 2015-05-12 09:27:45]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1127153003/60001

[commit-bot: I haz the power, 2015-05-12 09:33:29]

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

[commit-bot: I haz the power, 2015-05-12 09:33:30]

Try jobs failed on following builders:
  linux_chromium_compile_dbg_32_ng on tryserver.chromium.linux (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.linux/builders/linux_chromium_...)
  ios_dbg_simulator_ninja on tryserver.chromium.mac (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.mac/builders/ios_dbg_simulator...)
  ios_rel_device_ninja on tryserver.chromium.mac (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.mac/builders/ios_rel_device_ni...)
  mac_chromium_compile_dbg_ng on tryserver.chromium.mac (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.mac/builders/mac_chromium_comp...)
  mac_chromium_rel_ng on tryserver.chromium.mac (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.mac/builders/mac_chromium_rel_...)
  win8_chromium_rel on tryserver.chromium.win (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.win/builders/win8_chromium_rel...)

[Sami, 2015-05-12 10:34:58]

The CQ bit was checked by skyostil@chromium.org

[Sami, 2015-05-12 10:34:59]

The patchset sent to the CQ was uploaded after l-g-t-m from agl@chromium.org
Link to the patchset: https://codereview.chromium.org/1127153003/#ps80001
(title: "Rebased.")

[commit-bot: I haz the power, 2015-05-12 10:35:17]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1127153003/80001

[commit-bot: I haz the power, 2015-05-12 11:29:32]

Committed patchset #5 (id:80001)

[commit-bot: I haz the power, 2015-05-12 11:30:26]

Patchset 5 (id:??) landed as
https://crrev.com/e687bdff5dd7bfed6304396880699fc05550c869
Cr-Commit-Position: refs/heads/master@{#329389}