Fix a build failing in the x86 linux builds ...

Fix a build failing in the x86 linux builds ...

If NaCl is disabled, we get a build failure in the
x86 Linux builds when trying to build monacl_shell
(which isn't defined).

This patch fixes the issue by not trying to include
the gn_migration targets *and* by not trying to
build monacl_shell when nacl is disabled, both of
which were wrong.

Also, this patch fixes an issue in 'analyze' where it
was trying to analyze build_utf8_validator_tables
and not #host.

TBR=brettw@chromium.org
BUG=462945, 461019
Committed: https://crrev.com/425ba073036f96f04aea09c9836826ccb2e124e4
Cr-Commit-Position: refs/heads/master@{#318626}

[Dirk Pranke, 2015-03-01 17:01:23]

The CQ bit was checked by dpranke@chromium.org

[commit-bot: I haz the power, 2015-03-01 17:02:08]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/966223002/1

[commit-bot: I haz the power, 2015-03-01 17:04:58]

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

[commit-bot: I haz the power, 2015-03-01 17:04:58]

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

[Dirk Pranke, 2015-03-01 17:05:24]

The CQ bit was unchecked by dpranke@chromium.org

[Dirk Pranke, 2015-03-01 17:08:12]

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

[Dirk Pranke, 2015-03-01 17:08:25]

The CQ bit was checked by dpranke@chromium.org

[commit-bot: I haz the power, 2015-03-01 17:09:11]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/966223002/20001

[Dirk Pranke, 2015-03-01 17:10:17]

The CQ bit was unchecked by dpranke@chromium.org

[Dirk Pranke, 2015-03-01 17:11:25]

The CQ bit was checked by dpranke@chromium.org

[commit-bot: I haz the power, 2015-03-01 17:12:07]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/966223002/40001

[commit-bot: I haz the power, 2015-03-01 19:07:40]

Committed patchset #3 (id:40001)

[commit-bot: I haz the power, 2015-03-01 19:08:13]

Patchset 3 (id:??) landed as
https://crrev.com/425ba073036f96f04aea09c9836826ccb2e124e4
Cr-Commit-Position: refs/heads/master@{#318626}

[dshwang, 2015-03-01 19:29:45]

still x86 linux is broken

Traceback (most recent call last):
  File "./build/gyp_chromium", line 322, in <module>
    gyp_rc = gyp.main(args)
  File "/home/dshwang/chromium/src/tools/gyp/pylib/gyp/__init__.py", line 526,
in main
    return gyp_main(args)
  File "/home/dshwang/chromium/src/tools/gyp/pylib/gyp/__init__.py", line 502,
in gyp_main
    params, options.check, options.circular_check)
  File "/home/dshwang/chromium/src/tools/gyp/pylib/gyp/__init__.py", line 129,
in Load
    params['parallel'], params['root_targets'])
  File "/home/dshwang/chromium/src/tools/gyp/pylib/gyp/input.py", line 2756, in
Load
    RemoveLinkDependenciesFromNoneTargets(targets)
  File "/home/dshwang/chromium/src/tools/gyp/pylib/gyp/input.py", line 1501, in
RemoveLinkDependenciesFromNoneTargets
    if targets[t].get('variables', {}).get('link_dependency', 0):
KeyError:
'/home/dshwang/chromium/src/components/nacl.gyp:nacl_loader_unittests#target'
KeyError:
'/home/dshwang/chromium/src/remoting/remoting.gyp:remoting_key_tester#target'

[Dirk Pranke, 2015-03-01 19:59:27]

On 2015/03/01 19:29:45, dshwang wrote:
> still x86 linux is broken

Okay, I will take another look.