Update V8 to version 3.22.23.

TBR=danno@chromium.org

Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=231614

Review URL: https://codereview.chromium.org/47543006

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@231927 0039d316-1c4b-4281-b951-d872f2087c98
Update .DEPS.git

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@231928 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 231927
PNaCl docs: miscellaneous updates

 - Remove some TODOs.
 - Add more cross-links.
 - Remove xaos/mame/sdl port links (won't be done for M31, will document
   naclports and Christian's work instead).
 - Document more C/C++ language feature support as well as future
   directions that were missing.
 - Format the language support document more consistently.

R= eliben@chromium.org, mackinlay@chromium.org
BUG= https://code.google.com/p/nativeclient/issues/detail?id=3634
NOTRY=true
(documentation change)

Review URL: https://codereview.chromium.org/52983002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@231929 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 231928
SVN changes up to revision 231929