Prepare push to trunk.  Now working on version 3.21.10.

R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/23530013

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@16500 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Improve cctest/test-condition-variable.

R=machenbach@chromium.org

Review URL: https://codereview.chromium.org/23604027

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@16501 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
We can't use pthread_condattr_setclock() in NaCl.

TEST=cctest/test-condition-variable
R=machenbach@chromium.org

Review URL: https://codereview.chromium.org/23494020

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@16504 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
MIPS: Improve TruncateNumberToI implementation after DoubleToIStub usage (r16461).

Using TruncateHeapNumberToI here simplifies the code and we get rid of ConvertToInt32 and EmitOutOfInt32RangeTruncate macro assembler instructions.

BUG=

Review URL: https://codereview.chromium.org/23444033
Patch from Balazs Kilvady <kilvadyb@homejinni.com>.

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@16505 ce2b1a6d-e550-0410-aec6-3dcde31c8c00