clean up GN targets that are already migrated, add pepper_hash_for_uma.

clean up GN targets that are already migrated, add pepper_hash_for_uma.

This updates the gn_all and gyp_remaining targets to reflect the current
status.

R=tfarina@chromium.org, brettw@chromium.org
BUG=461019
CQ_EXTRA_TRYBOTS=tryserver.chromium.linux:android_chromium_gn_compile_dbg,android_chromium_gn_compile_rel;tryserver.chromium.win:win8_chromium_gn_rel,win8_chromium_gn_dbg;tryserver.chromium.mac:mac_chromium_gn_rel,mac_chromium_gn_dbg

Committed: https://crrev.com/c09ccaa95ba1a2212f27fd86cd2650526a82a9ea
Cr-Commit-Position: refs/heads/master@{#322654}

[Dirk Pranke, 2015-03-27 03:08:38]

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

[Dirk Pranke, 2015-03-27 03:09:33]

The CQ bit was checked by dpranke@chromium.org

[commit-bot: I haz the power, 2015-03-27 03:09:57]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1040543002/1

[commit-bot: I haz the power, 2015-03-27 03:09:58]

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

[commit-bot: I haz the power, 2015-03-27 03:09:59]

No LGTM from a valid reviewer yet. Only full committers are accepted.
Even if an LGTM may have been provided, it was from a non-committer,
_not_ a full super star committer.
See http://www.chromium.org/getting-involved/become-a-committer
Note that this has nothing to do with OWNERS files.

[brettw, 2015-03-27 04:51:40]

The CQ bit was checked by brettw@chromium.org

[brettw, 2015-03-27 04:51:40]

lgtm

[commit-bot: I haz the power, 2015-03-27 04:51:54]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1040543002/1

[commit-bot: I haz the power, 2015-03-27 04:55:03]

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

[commit-bot: I haz the power, 2015-03-27 04:55:04]

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

[tfarina, 2015-03-27 13:40:35]

lgtm

https://codereview.chromium.org/1040543002/diff/1/build/gn_migration.gypi
File build/gn_migration.gypi (right):

https://codereview.chromium.org/1040543002/diff/1/build/gn_migration.gypi#new...
build/gn_migration.gypi:419:
'../gpu/gles2_conform_support/gles2_conform_support.gyp:gles2_conform_support',
We seem to have this ported as well. 
https://chromium.googlesource.com/chromium/src/+/master/gpu/gles2_conform_sup...

Can you check if it is working?

[tfarina, 2015-03-27 13:42:31]

https://codereview.chromium.org/1040543002/diff/1/BUILD.gn
File BUILD.gn (right):

https://codereview.chromium.org/1040543002/diff/1/BUILD.gn#newcode48
BUILD.gn:48: "//components:components_perftests",
this is behind is_linux && !is_chromeos, hence the failure on the cros bot.

[Dirk Pranke, 2015-03-27 20:20:36]

The CQ bit was checked by dpranke@chromium.org

[Dirk Pranke, 2015-03-27 20:20:36]

The patchset sent to the CQ was uploaded after l-g-t-m from
tfarina@chromium.org, brettw@chromium.org
Link to the patchset: https://codereview.chromium.org/1040543002/#ps20001
(title: "fix components_perftests conditions")

[commit-bot: I haz the power, 2015-03-27 20:20:53]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1040543002/20001

[commit-bot: I haz the power, 2015-03-27 22:00:47]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2015-03-27 22:01:19]

Patchset 2 (id:??) landed as
https://crrev.com/c09ccaa95ba1a2212f27fd86cd2650526a82a9ea
Cr-Commit-Position: refs/heads/master@{#322654}