[Interpreter] Add ignition-script-filter flag to filter scripts.

[Interpreter] Add ignition-script-filter flag to filter scripts.

Add a flag to explicitly filter scripts in ignition and use it for the test262
variant. The previous approach of overloading ignition-filter meant that only
top-level code was getting compiled through ignition.

BUG=v8:4280
LOG=N

Committed: https://crrev.com/6e64a057e324de0279159c7495b3eeca33140649
Cr-Commit-Position: refs/heads/master@{#31164}

[rmcilroy, 2015-10-07 15:25:44]

The CQ bit was checked by rmcilroy@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2015-10-07 15:25:54]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1396493002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1396493002/1

[commit-bot: I haz the power, 2015-10-07 15:37:49]

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

[commit-bot: I haz the power, 2015-10-07 15:37:49]

Dry run: Try jobs failed on following builders:
  v8_mac_rel on tryserver.v8 (JOB_FAILED,
http://build.chromium.org/p/tryserver.v8/builders/v8_mac_rel/builds/10454)

[rmcilroy, 2015-10-07 17:13:55]

Patchset #2 (id:20001) has been deleted

[rmcilroy, 2015-10-07 17:14:26]

The CQ bit was checked by rmcilroy@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2015-10-07 17:14:39]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1396493002/40001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1396493002/40001

[rmcilroy, 2015-10-07 17:39:02]

rmcilroy@chromium.org changed reviewers:
+ mstarzinger@chromium.org

[rmcilroy, 2015-10-07 17:39:03]

Michi: Here is the fix to make the filters work correctly for the test262 tests.
PTAL, thanks.

[commit-bot: I haz the power, 2015-10-07 17:41:50]

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

[commit-bot: I haz the power, 2015-10-07 17:41:50]

Dry run: This issue passed the CQ dry run.

[Michael Starzinger, 2015-10-07 18:22:59]

LGTM.

[rmcilroy, 2015-10-07 19:04:50]

The CQ bit was checked by rmcilroy@chromium.org

[commit-bot: I haz the power, 2015-10-07 19:05:06]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1396493002/40001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1396493002/40001

[commit-bot: I haz the power, 2015-10-07 19:08:39]

Committed patchset #2 (id:40001)

[commit-bot: I haz the power, 2015-10-07 19:08:43]

Patchset 2 (id:??) landed as
https://crrev.com/6e64a057e324de0279159c7495b3eeca33140649
Cr-Commit-Position: refs/heads/master@{#31164}