Rollback of r11015, r11014, r11011, r11010 in trunk branch.

Rollback of r11015, r11014, r11011, r11010 in trunk branch.

Remove static Mutex from math function intializers.

Use lazy instance initializer to remove static initializers in two places. Review URL: https://chromiumcodereview.appspot.com/9664067

Fix broken build on Win32 due to r11010. Review URL: https://chromiumcodereview.appspot.com/9666055

Landing for pliard@chromium.org: Remove static initializers in v8.

R=fschneider@chromium.org

Committed: https://code.google.com/p/v8/source/detail?r=11149

[fschneider, 2012-03-27 08:37:11]

lgtm