[Windows] One TimeTicks clock: efficient/reliable high-res, with low-res fallback.

base/time/time_posix.cc

Index: base/time/time_posix.cc
diff --git a/base/time/time_posix.cc b/base/time/time_posix.cc
index ad00c513685c2ce4891c7f958520543e167a7f6c..34b2f5ac39aff28ca34f3940f9e1b5151029d0c9 100644
--- a/base/time/time_posix.cc
+++ b/base/time/time_posix.cc
@@ -314,12 +314,7 @@ TimeTicks TimeTicks::Now() {
 }
 
 // static
-TimeTicks TimeTicks::HighResNow() {
-  return Now();
-}
-
-// static
-bool TimeTicks::IsHighResNowFastAndReliable() {
+bool TimeTicks::IsHighResolution() {
   return true;
 }