posix: replace nonstandard futimes call with futimens

base/time_unittest.cc

Index: base/time_unittest.cc
diff --git a/base/time_unittest.cc b/base/time_unittest.cc
index dd6d26bfa537666d58ba250e6998bc5bd8ecdea9..4e79069dd34bd1e53d0660d1b540f02d00fc89b3 100644
--- a/base/time_unittest.cc
+++ b/base/time_unittest.cc
@@ -101,7 +101,11 @@ TEST_F(TimeTest, JsTime) {
 #if defined(OS_POSIX)
 TEST_F(TimeTest, FromTimeVal) {
   Time now = Time::Now();
-  Time also_now = Time::FromTimeVal(now.ToTimeVal());
+  timespec ts = now.ToTimeSpec();
+  timeval tv;
+  tv.tv_sec = ts.tv_sec;
+  tv.tv_usec = ts.tv_nsec / 1000;
+  Time also_now = Time::FromTimeVal(tv);
   EXPECT_EQ(now, also_now);
 }
 #endif  // OS_POSIX
@@ -504,15 +508,15 @@ TEST_F(TimeTest, MaxConversions) {
   EXPECT_EQ(std::numeric_limits<time_t>::max(), t.ToTimeT());
 
 #if defined(OS_POSIX)
-  struct timeval tval;
+  timeval tval;
   tval.tv_sec = std::numeric_limits<time_t>::max();
   tval.tv_usec = static_cast<suseconds_t>(Time::kMicrosecondsPerSecond) - 1;
   t = Time::FromTimeVal(tval);
   EXPECT_TRUE(t.is_max());
-  tval = t.ToTimeVal();
-  EXPECT_EQ(std::numeric_limits<time_t>::max(), tval.tv_sec);
-  EXPECT_EQ(static_cast<suseconds_t>(Time::kMicrosecondsPerSecond) - 1,
-      tval.tv_usec);
+  timespec tspec = t.ToTimeSpec();
+  EXPECT_EQ(std::numeric_limits<time_t>::max(), tspec.tv_sec);
+  EXPECT_EQ(static_cast<long>(Time::kNanosecondsPerSecond) - 1,
+      tspec.tv_nsec);
 #endif
 
 #if defined(OS_MACOSX)