Remove Media.AcceleratedCompositingActive UMA.

Remove Media.AcceleratedCompositingActive UMA.

With compositing enabled by default this UMA always reports "active".

Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=284588

[DaleCurtis, 2014-07-21 18:36:37]

lgtm

[scherkus (not reviewing), 2014-07-21 18:36:51]

The CQ bit was checked by scherkus@chromium.org

[DaleCurtis, 2014-07-21 18:37:22]

Probably want to check with UMA team before submitting since I don't think we
typically delete histograms.

[commit-bot: I haz the power, 2014-07-21 18:38:07]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/scherkus@chromium.org/405963004/1

[scherkus (not reviewing), 2014-07-21 18:46:50]

isherman: can you review histograms?

[Ilya Sherman, 2014-07-21 20:37:22]

Please mark the histogram as <obsolete> instead.

[scherkus (not reviewing), 2014-07-21 20:43:14]

PTAL

[Ilya Sherman, 2014-07-21 20:45:34]

LGTM.  Thanks for the cleanup :)

[Ilya Sherman, 2014-07-21 20:45:42]

The CQ bit was checked by isherman@chromium.org

[commit-bot: I haz the power, 2014-07-21 20:46:24]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/scherkus@chromium.org/405963004/20001

[commit-bot: I haz the power, 2014-07-22 01:41:29]

FYI, CQ is re-trying this CL (attempt #1).
The failing builders are:
  ios_dbg_simulator on tryserver.chromium
(http://build.chromium.org/p/tryserver.chromium/builders/ios_dbg_simulator/bui...)

[commit-bot: I haz the power, 2014-07-22 01:58:57]

Change committed as 284588