Revert 217172 "Enable high resolution time for TimeTicks::Now on..."

trunk/src/base/time/time.h

Index: trunk/src/base/time/time.h
===================================================================
--- trunk/src/base/time/time.h	(revision 217225)
+++ trunk/src/base/time/time.h	(working copy)
@@ -572,17 +572,6 @@
   // Returns true if the high resolution clock is working on this system.
   // This is only for testing.
   static bool IsHighResClockWorking();
-
-  // Enable high resolution time for TimeTicks::Now(). This function will
-  // test for the availability of a working implementation of
-  // QueryPerformanceCounter(). If one is not available, this function does
-  // nothing and the resolution of Now() remains 1ms. Otherwise, all future
-  // calls to TimeTicks::Now() will have the higher resolution provided by QPC.
-  // Returns true if high resolution time was successfully enabled.
-  static bool SetNowIsHighResNowIfSupported();
-
-  // Returns a time value that is NOT rollover protected.
-  static TimeTicks UnprotectedNow();
 #endif
 
   // Returns true if this object has not been initialized.