Fix missing GN dependencies.

Fix missing GN dependencies.

Fixes some cases where a dependency between a target's inputs and outputs exists without an explicit dependency.

json_schema_api.gni was generating wrong names, this was fixed.

mojo_application_package.gni was fixed to generate unique names (just a bug I noticed in passing) and support the testonly flag, which is necessary when I added the correct dependency.

The rest of the cases are just adding deps or making existing deps public so that the ability to depend on the target's outputs is passed to dependents.

BUG=487897
TBR=dpranke

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

Previously landed as https://codereview.chromium.org/1128163007/ the issue there should have been fixed by https://codereview.chromium.org/1148173002/ which has already been landed.

Committed: https://crrev.com/de262b0acc538d307f35b85f4ebf395357d1a4db
Cr-Commit-Position: refs/heads/master@{#331625}

[brettw, 2015-05-21 19:49:22]

Patchset #2 (id:20001) has been deleted

[brettw, 2015-05-21 19:51:56]

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

[brettw, 2015-05-21 19:53:03]

The original patch is patchset 1. Patchset 2 is identical, I don't anticipate
any changes being necessary: the changes you see are other changes in those
files in the meantime.

[brettw, 2015-05-21 20:18:32]

The CQ bit was checked by brettw@chromium.org

[commit-bot: I haz the power, 2015-05-21 20:23:22]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1134753011/40001

[Dirk Pranke, 2015-05-21 21:04:54]

lgtm

[commit-bot: I haz the power, 2015-05-21 21:26:52]

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

[commit-bot: I haz the power, 2015-05-21 21:26:53]

Try jobs failed on following builders:
  win8_chromium_gn_rel on tryserver.chromium.win (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.win/builders/win8_chromium_gn_...)

[brettw, 2015-05-27 16:58:23]

The CQ bit was checked by brettw@chromium.org

[brettw, 2015-05-27 16:58:23]

The patchset sent to the CQ was uploaded after l-g-t-m from dpranke@chromium.org
Link to the patchset: https://codereview.chromium.org/1134753011/#ps60001
(title: " ")

[commit-bot: I haz the power, 2015-05-27 16:58:37]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1134753011/60001

[commit-bot: I haz the power, 2015-05-27 17:41:48]

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

[commit-bot: I haz the power, 2015-05-27 17:41:50]

Try jobs failed on following builders:
  win8_chromium_gn_rel on tryserver.chromium.win (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.win/builders/win8_chromium_gn_...)

[brettw, 2015-05-27 18:22:39]

The CQ bit was checked by brettw@chromium.org

[brettw, 2015-05-27 18:22:39]

The patchset sent to the CQ was uploaded after l-g-t-m from dpranke@chromium.org
Link to the patchset: https://codereview.chromium.org/1134753011/#ps80001
(title: " ")

[commit-bot: I haz the power, 2015-05-27 18:23:43]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1134753011/80001

[commit-bot: I haz the power, 2015-05-27 19:41:54]

Committed patchset #4 (id:80001)

[commit-bot: I haz the power, 2015-05-27 19:43:51]

Patchset 4 (id:??) landed as
https://crrev.com/de262b0acc538d307f35b85f4ebf395357d1a4db
Cr-Commit-Position: refs/heads/master@{#331625}