Web MIDI: running status should be reset on receiving a system message

Web MIDI: running status should be reset on receiving a system message

Running status should be used only for channel voice messages, and
it is recommented that the status is cleared on receiving system
common messages including system exclusive messages.

BUG=456780
TEST=media_unittests

Committed: https://crrev.com/bb981086bf2cbb96351bd74ccbbed3cac4830e94
Cr-Commit-Position: refs/heads/master@{#317545}

[Takashi Toyoshima, 2015-02-21 19:21:56]

toyoshim@chromium.org changed reviewers:
+ yukawa@chromium.org

[Takashi Toyoshima, 2015-02-21 19:23:35]

Hi Yohei,
I noticed a small compatibility issue on running status handling.
Can you take a look?
I find this on investigating bug 456780, but I don't think this is a root of the
crash.
Anyway, let's fix this, too.

[yukawa, 2015-02-22 08:07:22]

On 2015/02/21 19:23:35, Takashi Toyoshima (chromium) wrote:
> Hi Yohei,
> I noticed a small compatibility issue on running status handling.
> Can you take a look?
> I find this on investigating bug 456780, but I don't think this is a root of
the
> crash.
> Anyway, let's fix this, too.

Thank you for catching this!
LGTM.

[Takashi Toyoshima, 2015-02-22 13:42:22]

The CQ bit was checked by toyoshim@chromium.org

[commit-bot: I haz the power, 2015-02-22 13:43:00]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/949683002/1

[commit-bot: I haz the power, 2015-02-22 13:45:12]

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

[commit-bot: I haz the power, 2015-02-22 13:45:13]

Try jobs failed on following builders:
  ios_dbg_simulator on tryserver.chromium.mac (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.mac/builders/ios_dbg_simulator...)

[Takashi Toyoshima, 2015-02-22 18:55:36]

The CQ bit was checked by toyoshim@chromium.org

[commit-bot: I haz the power, 2015-02-22 18:56:07]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/949683002/1

[commit-bot: I haz the power, 2015-02-22 18:58:30]

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

[commit-bot: I haz the power, 2015-02-22 18:58:31]

Try jobs failed on following builders:
  ios_dbg_simulator on tryserver.chromium.mac (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.mac/builders/ios_dbg_simulator...)

[Takashi Toyoshima, 2015-02-23 02:17:22]

The CQ bit was checked by toyoshim@chromium.org

[commit-bot: I haz the power, 2015-02-23 02:17:39]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/949683002/1

[commit-bot: I haz the power, 2015-02-23 02:20:24]

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

[commit-bot: I haz the power, 2015-02-23 02:20:25]

Try jobs failed on following builders:
  ios_dbg_simulator on tryserver.chromium.mac (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.mac/builders/ios_dbg_simulator...)

[Takashi Toyoshima, 2015-02-23 05:08:50]

The CQ bit was checked by toyoshim@chromium.org

[commit-bot: I haz the power, 2015-02-23 05:09:28]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/949683002/1

[commit-bot: I haz the power, 2015-02-23 05:18:18]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-02-23 05:19:04]

Patchset 1 (id:??) landed as
https://crrev.com/bb981086bf2cbb96351bd74ccbbed3cac4830e94
Cr-Commit-Position: refs/heads/master@{#317545}