Revert of Add nanosecond timer.

src/ports/SkTime_Unix.cpp

 
 /*
  * Copyright 2006 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 #include "SkTime.h"
 
 #include <sys/time.h>
 #include <time.h>
 
-void SkTime::GetDateTime(DateTime* dt) {
-    if (dt) {
+void SkTime::GetDateTime(DateTime* dt)
+{
+    if (dt)
+    {
         time_t m_time;
         time(&m_time);
         struct tm* tstruct;
         tstruct = localtime(&m_time);
 
         dt->fYear       = tstruct->tm_year;
         dt->fMonth      = SkToU8(tstruct->tm_mon + 1);
         dt->fDayOfWeek  = SkToU8(tstruct->tm_wday);
         dt->fDay        = SkToU8(tstruct->tm_mday);
         dt->fHour       = SkToU8(tstruct->tm_hour);
         dt->fMinute     = SkToU8(tstruct->tm_min);
         dt->fSecond     = SkToU8(tstruct->tm_sec);
     }
 }
 
-#ifdef __MACH__
-#  include <mach/mach_time.h>
-
-namespace {
-
-struct ConversionFactor {
-    ConversionFactor() {
-        mach_timebase_info_data_t timebase;
-        mach_timebase_info(&timebase);
-        toNanos = (double) timebase.numer / timebase.denom;
-    }
-    double toNanos;
-};
-
-}  // namespace
-
-SkNSec SkTime::GetNSecs() {
-    static ConversionFactor convert;  // Since already know we're on Mac, this is threadsafe.
-    return mach_absolute_time() * convert.toNanos;
+SkMSec SkTime::GetMSecs()
+{
+    struct timeval tv;
+    gettimeofday(&tv, NULL);
+    return (SkMSec) (tv.tv_sec * 1000 + tv.tv_usec / 1000 ); // microseconds to milliseconds
 }
-
-#else  // Linux, presumably all others too
-
-SkNSec SkTime::GetNSecs() {
-    struct timespec time;
-    clock_gettime(CLOCK_MONOTONIC, &time);
-    return (SkNSec)(time.tv_sec * 1000000000 + time.tv_nsec);
-}
-
-#endif