Revert OS::TimeCurrentMillis on Windows introduced in r16413.

test/mjsunit/timer.js

Index: test/mjsunit/timer.js
diff --git a/test/mjsunit/regress/regress-2624.js b/test/mjsunit/timer.js
similarity index 90%
copy from test/mjsunit/regress/regress-2624.js
copy to test/mjsunit/timer.js
index 2bfd7b2585016cda6db68fbac10d4a395e7ece09..9b8dc29fe1641f1b79c538413fa00f625d765bce 100644
--- a/test/mjsunit/regress/regress-2624.js
+++ b/test/mjsunit/timer.js
@@ -25,12 +25,11 @@
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-// Flags: --print-code
+// Tests timer milliseconds granularity.
 
-var source = '"snowmen invasion " + "';
-for(var i = 0; i < 800; i++) {
-  source += '\u2603';
+var start = Date.now();
+var end = Date.now();
+while (end - start == 0) {
+  end = Date.now();
 }
-source += '"';
-eval(source);
-
+assertTrue(end - start <= 2);