Run app_shell_browsertests and app_shell_unittests on mac trybots and waterfall bots.

Run app_shell_browsertests and app_shell_unittests on mac trybots and waterfall bots.

BUG=399363
Committed: https://crrev.com/527e36e0910f9336cb02ac4ce5d96f4fcf3c4d6d
Cr-Commit-Position: refs/heads/master@{#309817}

[Yoyo Zhou, 2014-12-24 04:04:57]

yoz@chromium.org changed reviewers:
+ phajdan.jr@chromium.org

[Yoyo Zhou, 2014-12-29 19:27:04]

yoz@chromium.org changed reviewers:
+ dpranke@chromium.org

[Yoyo Zhou, 2014-12-29 19:27:05]

dpranke: Can you review this? Paweł is OOO.

[Dirk Pranke, 2014-12-31 04:14:55]

lgtm

[Yoyo Zhou, 2014-12-31 18:08:41]

The CQ bit was checked by yoz@chromium.org

[commit-bot: I haz the power, 2014-12-31 18:08:58]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/822763005/20001

[commit-bot: I haz the power, 2014-12-31 18:21:40]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2014-12-31 18:22:40]

Patchset 2 (id:??) landed as
https://crrev.com/527e36e0910f9336cb02ac4ce5d96f4fcf3c4d6d
Cr-Commit-Position: refs/heads/master@{#309817}

[Avi (use Gerrit), 2015-01-02 17:48:41]

A revert of this CL (patchset #2 id:20001) has been created in
https://codereview.chromium.org/829093002/ by avi@chromium.org.

The reason for reverting is: Mac10.9 Tests (dbg) has been burning since this
landed, with consistent failures of a few dozen of the app_shell_browsertests:

failures:
AppViewTest.TestAppViewGoodDataShouldSucceed
HidApiTest.HidApp
HidApiTest.OnDeviceAdded
SystemMemoryApiTest.Memory
SystemCpuApiTest.Cpu
UsbApiTest.ListInterfaces
SystemDisplayApiTest.GetDisplay
SystemStorageEjectApiTest.EjectBadDeviceTest
UsbApiTest.TransferFailure
UsbApiTest.ResetDevice
SystemStorageApiTest.StorageAttachment
SystemStorageEjectApiTest.EjectTest
UsbApiTest.ZeroLengthTransfer
UsbApiTest.InvalidLengthTransfer
UsbApiTest.TransferEvent
UsbApiTest.DeviceHandling
DnsApiTest.DnsExtension
HidApiTest.OnDeviceRemoved
SystemNetworkApiTest.SystemNetworkExtension
SystemStorageApiTest.Storage
.