[mojo] Replace MessageLoopProxy usage with ThreadTaskRunnerHandle

Replace MessageLoopProxy usage with ThreadTaskRunnerHandle in mojo module.

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

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

BUG=391045
Committed: https://crrev.com/332a1b2b1d5635199d5ed453f5f9586b2e030b64
Cr-Commit-Position: refs/heads/master@{#328311}

[anujsharma, 2015-04-29 13:30:39]

anujk.sharma@samsung.com changed reviewers:
+ sky@chromium.org

[anujsharma, 2015-04-29 13:30:39]

PTAL

[anujsharma, 2015-05-01 14:50:03]

On 2015/04/29 13:30:39, anujsharma wrote:
> PTAL

@SKY could you please take a look.

Thanks!!

[sky, 2015-05-01 15:21:53]

https://codereview.chromium.org/1118473002/diff/1/mojo/common/handle_watcher.cc
File mojo/common/handle_watcher.cc (right):

https://codereview.chromium.org/1118473002/diff/1/mojo/common/handle_watcher....
mojo/common/handle_watcher.cc:54: scoped_refptr<base::SingleThreadTaskRunner>
message_loop;
Rename this.

[anujsharma, 2015-05-04 06:56:39]

Thanks sky four your comments!!

Changes are done.
Could you please take a look now.

Thanks!!

https://codereview.chromium.org/1118473002/diff/1/mojo/common/handle_watcher.cc
File mojo/common/handle_watcher.cc (right):

https://codereview.chromium.org/1118473002/diff/1/mojo/common/handle_watcher....
mojo/common/handle_watcher.cc:54: scoped_refptr<base::SingleThreadTaskRunner>
message_loop;
On 2015/05/01 15:21:53, sky wrote:
> Rename this.

Done.

[sky, 2015-05-04 15:21:32]

LGTM

[anujsharma, 2015-05-04 15:26:03]

The CQ bit was checked by anujk.sharma@samsung.com

[commit-bot: I haz the power, 2015-05-04 15:27:08]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1118473002/20001

[commit-bot: I haz the power, 2015-05-04 15:35:45]

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

[commit-bot: I haz the power, 2015-05-04 15:35:46]

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_...)
  linux_chromium_gn_rel on tryserver.chromium.linux (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.linux/builders/linux_chromium_...)

[anujsharma, 2015-05-05 10:51:30]

The CQ bit was checked by anujk.sharma@samsung.com

[anujsharma, 2015-05-05 10:51:31]

The patchset sent to the CQ was uploaded after l-g-t-m from sky@chromium.org
Link to the patchset: https://codereview.chromium.org/1118473002/#ps40001
(title: "Fixing build break")

[commit-bot: I haz the power, 2015-05-05 10:51:50]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1118473002/40001

[commit-bot: I haz the power, 2015-05-05 12:01:06]

Committed patchset #3 (id:40001)

[commit-bot: I haz the power, 2015-05-05 12:02:12]

Patchset 3 (id:??) landed as
https://crrev.com/332a1b2b1d5635199d5ed453f5f9586b2e030b64
Cr-Commit-Position: refs/heads/master@{#328311}

[jochen (gone - plz use gerrit), 2015-05-05 12:15:09]

A revert of this CL (patchset #3 id:40001) has been created in
https://codereview.chromium.org/1125913002/ by jochen@chromium.org.

The reason for reverting is: breaks compilation on win gn
https://build.chromium.org/p/chromium.win/builders/Win8%20GN/builds/6922.