Add tests and extension verifying CHECK and ASSERT.

Add tests and extension verifying CHECK and ASSERT.

The new native functions can also be used in blink tests to ensure that V8 asserts are turned on where they should be.

BUG=
R=dslomov@chromium.org

Committed: https://code.google.com/p/v8/source/detail?r=18262

[Michael Achenbach, 2013-12-05 16:04:44]

PTAL

[Jakob Kummerow, 2013-12-05 16:13:34]

DBC.

https://codereview.chromium.org/105953005/diff/60001/src/extensions/trigger-f...
File src/extensions/trigger-failure-extension.h (right):

https://codereview.chromium.org/105953005/diff/60001/src/extensions/trigger-f...
src/extensions/trigger-failure-extension.h:38: explicit
TriggerFailureExtension()
nit: no "explicit" for zero-argument constructors

https://codereview.chromium.org/105953005/diff/60001/src/extensions/trigger-f...
src/extensions/trigger-failure-extension.h:50: private:
nit: empty line before "private:"

[Michael Achenbach, 2013-12-05 16:16:39]

https://codereview.chromium.org/105953005/diff/60001/src/extensions/trigger-f...
File src/extensions/trigger-failure-extension.h (right):

https://codereview.chromium.org/105953005/diff/60001/src/extensions/trigger-f...
src/extensions/trigger-failure-extension.h:38: explicit
TriggerFailureExtension()
On 2013/12/05 16:13:34, Jakob wrote:
> nit: no "explicit" for zero-argument constructors

Done.

https://codereview.chromium.org/105953005/diff/60001/src/extensions/trigger-f...
src/extensions/trigger-failure-extension.h:50: private:
On 2013/12/05 16:13:34, Jakob wrote:
> nit: empty line before "private:"

Done.

[Dmitry Lomov (no reviews), 2013-12-05 16:49:40]

lgtm

Will be nice to have a test that verifies SLOW_ASSERT as well, but ok to do in
follow-up cl.

sheriff's note: ok to land, test code

[Michael Achenbach, 2013-12-05 17:26:33]

Committed patchset #2 manually as r18262.