Faster invocation for most of API calls.

Faster invocation for most of API calls.

For most of API calls we generate better stub which is faster than invocation
via builtin, so use IC instead of direct call in Hydrogen.

Committed: http://code.google.com/p/v8/source/detail?r=7149

[antonm, 2011-03-11 11:00:55]

Guys,

may you have a look?

I am going to have a quick look if we can exploit custom call generators to
achieve the same effect.

I am not sure that performance gains of inlining API call are balanced by the
complexity of implementation, but that might be another option too.

[Vitaly Repeshko, 2011-03-11 12:39:59]

LGTM!

[Kevin Millikin (Chromium), 2011-03-11 13:05:18]

LGTM.