[chrome/browser/chromeos] Replace MessageLoopProxy usage with ThreadTaskRunnerHandle

Replace MessageLoopProxy usage with ThreadTaskRunnerHandle in chrome/browser/chromeos module.

MessageLoopProxy is deprecated.
This basically does a search and replace of:

MessageLoopProxy::current() -> ThreadTaskRunnerHandle::Get().

MessageLoopProxy -> SingleThreadTaskRunner

BUG=391045
Committed: https://crrev.com/25ec7c75a4aefac618be497595b4768c38cf7517
Cr-Commit-Position: refs/heads/master@{#328533}

[Pranay, 2015-05-05 06:16:34]

pranay.kumar@samsung.com changed reviewers:
+ oshima@chromium.org

[Pranay, 2015-05-05 06:16:35]

PTAL

Thanks

[Daniel Erat, 2015-05-05 15:17:03]

derat@chromium.org changed reviewers:
+ derat@chromium.org

[Daniel Erat, 2015-05-05 15:17:04]

https://codereview.chromium.org/1119803007/diff/20001/chrome/browser/chromeos...
File chrome/browser/chromeos/file_system_provider/fake_provided_file_system.cc
(right):

https://codereview.chromium.org/1119803007/diff/20001/chrome/browser/chromeos...
chrome/browser/chromeos/file_system_provider/fake_provided_file_system.cc:7:
#include "base/single_thread_task_runner.h"
why is this included? it doesn't look like it's used.

https://codereview.chromium.org/1119803007/diff/20001/chrome/browser/chromeos...
File
chrome/browser/chromeos/file_system_provider/fileapi/buffering_file_stream_reader_unittest.cc
(right):

https://codereview.chromium.org/1119803007/diff/20001/chrome/browser/chromeos...
chrome/browser/chromeos/file_system_provider/fileapi/buffering_file_stream_reader_unittest.cc:53:
ThreadTaskRunnerHandle::Get()->PostTask(
does this even compile? you're missing base:: here...

[Daniel Erat, 2015-05-05 15:17:35]

The CQ bit was checked by derat@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2015-05-05 15:18:23]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1119803007/20001

[oshima, 2015-05-05 15:29:21]

What dan said.

[commit-bot: I haz the power, 2015-05-05 15:41:51]

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

[commit-bot: I haz the power, 2015-05-05 15:41:52]

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

[Pranay, 2015-05-06 05:47:45]

Hi,

Thanks for the review. Updated patch & removed fake_provided_file_system.cc from
the patch 
PTAL :)

Thanks

[Pranay, 2015-05-06 05:48:50]

https://codereview.chromium.org/1119803007/diff/20001/chrome/browser/chromeos...
File chrome/browser/chromeos/file_system_provider/fake_provided_file_system.cc
(right):

https://codereview.chromium.org/1119803007/diff/20001/chrome/browser/chromeos...
chrome/browser/chromeos/file_system_provider/fake_provided_file_system.cc:7:
#include "base/single_thread_task_runner.h"
File removed from patch due to cancelable_task dependency

https://codereview.chromium.org/1119803007/diff/20001/chrome/browser/chromeos...
File
chrome/browser/chromeos/file_system_provider/fileapi/buffering_file_stream_reader_unittest.cc
(right):

https://codereview.chromium.org/1119803007/diff/20001/chrome/browser/chromeos...
chrome/browser/chromeos/file_system_provider/fileapi/buffering_file_stream_reader_unittest.cc:53:
ThreadTaskRunnerHandle::Get()->PostTask(
On 2015/05/05 15:17:03, Daniel Erat wrote:
> does this even compile? you're missing base:: here...

Done.

[Daniel Erat, 2015-05-06 12:46:48]

The CQ bit was checked by derat@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2015-05-06 12:46:58]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1119803007/40001

[commit-bot: I haz the power, 2015-05-06 13:19:36]

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

[commit-bot: I haz the power, 2015-05-06 13:19:37]

Dry run: This issue passed the CQ dry run.

[Daniel Erat, 2015-05-06 13:58:49]

lgtm

[Pranay, 2015-05-06 14:50:35]

The CQ bit was checked by pranay.kumar@samsung.com

[commit-bot: I haz the power, 2015-05-06 14:50:59]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1119803007/40001

[Pranay, 2015-05-06 14:51:01]

Thanks :)

[commit-bot: I haz the power, 2015-05-06 14:55:05]

Committed patchset #3 (id:40001)

[commit-bot: I haz the power, 2015-05-06 14:56:00]

Patchset 3 (id:??) landed as
https://crrev.com/25ec7c75a4aefac618be497595b4768c38cf7517
Cr-Commit-Position: refs/heads/master@{#328533}