Remove dependency on content from remoting_host.

Remove dependency on content from remoting_host.

The host was depending on content just to access content::BrowserThread.
It's cleaner to just pass the references to the threads explicitly.

BUG=458581
Committed: https://crrev.com/d5197934178ef0da1b630792cfbda8ddb6b34388
Cr-Commit-Position: refs/heads/master@{#316648}

Committed: https://crrev.com/f87c35dec56bbdc30e1d9ccb1744353c6f149f71
Cr-Commit-Position: refs/heads/master@{#316746}

[Sergey Ulanov, 2015-02-13 18:30:42]

Patchset #1 (id:1) has been deleted

[Sergey Ulanov, 2015-02-13 18:33:12]

Patchset #1 (id:20001) has been deleted

[Sergey Ulanov, 2015-02-13 18:33:20]

sergeyu@chromium.org changed reviewers:
+ kelvinp@chromium.org

[kelvinp, 2015-02-13 18:44:38]

lgtm

[Sergey Ulanov, 2015-02-13 18:45:07]

The CQ bit was checked by sergeyu@chromium.org

[commit-bot: I haz the power, 2015-02-13 18:45:57]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/929493002/40001

[commit-bot: I haz the power, 2015-02-13 19:03:33]

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

[commit-bot: I haz the power, 2015-02-13 19:03:34]

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_...)

[Sergey Ulanov, 2015-02-13 19:36:43]

New patchsets have been uploaded after l-g-t-m from kelvinp@chromium.org

[Sergey Ulanov, 2015-02-13 19:36:52]

The CQ bit was checked by sergeyu@chromium.org

[Sergey Ulanov, 2015-02-13 19:36:57]

Patchset #1 (id:40001) has been deleted

[commit-bot: I haz the power, 2015-02-13 19:37:39]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/929493002/60001

[commit-bot: I haz the power, 2015-02-13 19:48:42]

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

[commit-bot: I haz the power, 2015-02-13 19:48:42]

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_...)

[Sergey Ulanov, 2015-02-13 21:50:51]

PTAL. Now also cleaned up ClipboardAura which had dependency on BrowserThread.

[Sergey Ulanov, 2015-02-17 18:15:46]

On 2015/02/13 21:50:51, Sergey Ulanov wrote:
> PTAL. Now also cleaned up ClipboardAura which had dependency on BrowserThread.

Kelvin, ping :)
PTAL = Please take _another_ look

[kelvinp, 2015-02-17 18:30:21]

Sorry for the delay.  Looks good to me.

https://codereview.chromium.org/929493002/diff/120001/remoting/host/chromeos/...
File remoting/host/chromeos/clipboard_aura.cc (right):

https://codereview.chromium.org/929493002/diff/120001/remoting/host/chromeos/...
remoting/host/chromeos/clipboard_aura.cc:23: ClipboardAura::ClipboardAura()
Please add a comment and say this class should only be called on the UI thread.

[Sergey Ulanov, 2015-02-17 18:46:40]

https://codereview.chromium.org/929493002/diff/120001/remoting/host/chromeos/...
File remoting/host/chromeos/clipboard_aura.cc (right):

https://codereview.chromium.org/929493002/diff/120001/remoting/host/chromeos/...
remoting/host/chromeos/clipboard_aura.cc:23: ClipboardAura::ClipboardAura()
On 2015/02/17 18:30:21, kelvinp wrote:
> Please add a comment and say this class should only be called on the UI
thread.

There is already a comment about it in clipboard.h and ClipboardAura is not
supposed to be used directly.

[Sergey Ulanov, 2015-02-17 18:46:44]

The CQ bit was checked by sergeyu@chromium.org

[commit-bot: I haz the power, 2015-02-17 18:48:13]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/929493002/120001

[commit-bot: I haz the power, 2015-02-17 18:50:40]

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

[commit-bot: I haz the power, 2015-02-17 18:50:41]

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

[Sergey Ulanov, 2015-02-17 19:51:23]

Patchset #5 (id:140001) has been deleted

[Sergey Ulanov, 2015-02-17 19:52:21]

The CQ bit was checked by sergeyu@chromium.org

[commit-bot: I haz the power, 2015-02-17 19:53:03]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/929493002/160001

[commit-bot: I haz the power, 2015-02-17 20:43:27]

Committed patchset #5 (id:160001)

[commit-bot: I haz the power, 2015-02-17 20:44:11]

Patchset 5 (id:??) landed as
https://crrev.com/d5197934178ef0da1b630792cfbda8ddb6b34388
Cr-Commit-Position: refs/heads/master@{#316648}

[Charlie Reis, 2015-02-17 21:43:52]

A revert of this CL (patchset #5 id:160001) has been created in
https://codereview.chromium.org/923773003/ by creis@chromium.org.

The reason for reverting is: Compile failure on Linux ChromiumOS Ozone Builder:
http://build.chromium.org/p/chromium.chromiumos/builders/Linux%20ChromiumOS%2....

[Sergey Ulanov, 2015-02-18 01:24:33]

The CQ bit was checked by sergeyu@chromium.org

[commit-bot: I haz the power, 2015-02-18 01:25:27]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/929493002/180001

[commit-bot: I haz the power, 2015-02-18 02:19:22]

Committed patchset #6 (id:180001)

[commit-bot: I haz the power, 2015-02-18 02:20:03]

Patchset 6 (id:??) landed as
https://crrev.com/f87c35dec56bbdc30e1d9ccb1744353c6f149f71
Cr-Commit-Position: refs/heads/master@{#316746}