GN: Remove duplicate entries from sources lists

GN: Remove duplicate entries from sources lists

R=brettw@chromium.org

Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=290688

[jamesr, 2014-08-11 21:57:36]

These are all pretty simple errors.  My main motivation is to make it possible
to enforce no duplicates in sources lists.

[brettw, 2014-08-19 21:02:41]

lgtm

[jamesr, 2014-08-19 21:05:06]

The CQ bit was checked by jamesr@chromium.org

[commit-bot: I haz the power, 2014-08-19 21:06:02]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/jamesr@chromium.org/465693002/40001

[commit-bot: I haz the power, 2014-08-19 23:00:35]

FYI, CQ is re-trying this CL (attempt #1).
The failing builders are:
  chromium_presubmit on tryserver.chromium.linux
(http://build.chromium.org/p/tryserver.chromium.linux/builders/chromium_presub...)
  win_chromium_x64_rel_swarming on tryserver.chromium.win
(http://build.chromium.org/p/tryserver.chromium.win/builders/win_chromium_x64_...)

[commit-bot: I haz the power, 2014-08-19 23:04:14]

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

[commit-bot: I haz the power, 2014-08-19 23:04:15]

Try jobs failed on following builders:
  chromium_presubmit on tryserver.chromium.linux
(http://build.chromium.org/p/tryserver.chromium.linux/builders/chromium_presub...)

[jamesr, 2014-08-19 23:05:17]

Committed patchset #3 manually as 290688.