MIPS: [turbofan] Implement throwing exceptions into TurboFan code.

MIPS: [turbofan] Implement throwing exceptions into TurboFan code.

Port 1382879f29bd71c36aeda2421e867c4cdd232a0d

Original commit message:
This extends the stack unwinding logic to respect optimized frames
and perform a lookup in the handler table to find handlers. It also
contains fixes to the API call stubs to allow a stack walk while
promoting scheduled exceptions.

BUG=

Committed: https://crrev.com/d2192c60baf188f90ccf3ace7a10e4b344997eed
Cr-Commit-Position: refs/heads/master@{#27027}

[balazs.kilvady, 2015-03-05 18:53:50]

balazs.kilvady@imgtec.com changed reviewers:
+ akos.palfi@imgtec.com, danno@chromium.org, dusan.milosavljevic@imgtec.com,
gergely.kis@imgtec.com, mstarzinger@chromium.org, paul.lind@imgtec.com

[Michael Starzinger, 2015-03-05 18:56:40]

LGTM.

[balazs.kilvady, 2015-03-05 18:57:42]

The CQ bit was checked by balazs.kilvady@imgtec.com

[commit-bot: I haz the power, 2015-03-05 18:58:25]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/988463002/1

[commit-bot: I haz the power, 2015-03-05 19:26:59]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-03-05 19:27:09]

Patchset 1 (id:??) landed as
https://crrev.com/d2192c60baf188f90ccf3ace7a10e4b344997eed
Cr-Commit-Position: refs/heads/master@{#27027}