[Interpreter]: Add fake support for try/catch/finally.

[Interpreter]: Add fake support for try/catch/finally.

Adds fake try/catch/finally support hidden behind the flag
--ignition-fake-try-catch.

BUG=v8:4280
LOG=N

Committed: https://crrev.com/370984018f32aaf04acf65119182f779e91e349c
Cr-Commit-Position: refs/heads/master@{#31288}

[rmcilroy, 2015-10-14 10:07:43]

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

[rmcilroy, 2015-10-14 10:07:44]

Orion: please take a look, thanks.

[rmcilroy, 2015-10-14 11:28:43]

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

[commit-bot: I haz the power, 2015-10-14 11:28:56]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1402093002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1402093002/1

[commit-bot: I haz the power, 2015-10-14 12:20:03]

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

[commit-bot: I haz the power, 2015-10-14 12:20:03]

Dry run: This issue passed the CQ dry run.

[oth, 2015-10-15 09:14:24]

lgtm

[rmcilroy, 2015-10-15 10:33:00]

The CQ bit was checked by rmcilroy@chromium.org

[commit-bot: I haz the power, 2015-10-15 10:33:12]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1402093002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1402093002/1

[commit-bot: I haz the power, 2015-10-15 10:35:24]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-10-15 10:35:37]

Patchset 1 (id:??) landed as
https://crrev.com/370984018f32aaf04acf65119182f779e91e349c
Cr-Commit-Position: refs/heads/master@{#31288}