GTTF: Increase the limit for QPC drift....

base/time_win.cc

Index: base/time_win.cc
===================================================================
--- base/time_win.cc	(revision 54171)
+++ base/time_win.cc	(working copy)
@@ -332,13 +332,13 @@
 
   TimeDelta Now() {
     // Our maximum tolerance for QPC drifting.
-    const int kMaxTimeDrift = 50 * Time::kMicrosecondsPerMillisecond;
+    const int kMaxTimeDriftMicroseconds = 60150;
 
     if (IsUsingHighResClock()) {
       int64 now = UnreliableNow();
 
       // Verify that QPC does not seem to drift.
-      DCHECK_LT(now - ReliableNow() - skew_, kMaxTimeDrift);
+      DCHECK_LT(abs((now - ReliableNow()) - skew_), kMaxTimeDriftMicroseconds);
 
       return TimeDelta::FromMicroseconds(now);
     }