Update V8 to version 3.24.25 (based on bleeding_edge revision r18864).

R=jkummerow@chromium.org
TBR=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/137023007

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@247450 0039d316-1c4b-4281-b951-d872f2087c98
Update .DEPS.git

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@247451 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 247451