replace NtpTime->Clock with Clock->NtpTime dependency

webrtc/system_wrappers/source/ntp_time_unittest.cc

Index: webrtc/system_wrappers/source/ntp_time_unittest.cc
diff --git a/webrtc/system_wrappers/source/ntp_time_unittest.cc b/webrtc/system_wrappers/source/ntp_time_unittest.cc
index a5057897d858b34d999cc0038fd7eb28849d4c51..fe044716563dc7a36edb807db69d92a2f17fa3af 100644
--- a/webrtc/system_wrappers/source/ntp_time_unittest.cc
+++ b/webrtc/system_wrappers/source/ntp_time_unittest.cc
@@ -8,6 +8,7 @@
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
+#include "webrtc/system_wrappers/include/clock.h"
 #include "webrtc/system_wrappers/include/ntp_time.h"
 #include "webrtc/test/gtest.h"
 
@@ -45,21 +46,10 @@ TEST(NtpTimeTest, SetIsSameAs2ParameterConstructor) {
   EXPECT_EQ(ntp1, ntp2);
 }
 
-TEST(NtpTimeTest, SetCurrentIsSameAs1ParameterConstructor) {
-  SimulatedClock clock(0x0123456789abcdef);
-
-  NtpTime ntp1(clock);
-  NtpTime ntp2;
-  EXPECT_NE(ntp1, ntp2);
-
-  ntp2.SetCurrent(clock);
-  EXPECT_EQ(ntp1, ntp2);
-}
-
 TEST(NtpTimeTest, ToMsMeansToNtpMilliseconds) {
   SimulatedClock clock(0x123456789abc);
 
-  NtpTime ntp(clock);
+  NtpTime ntp = clock.CurrentNtpTime();
   EXPECT_EQ(ntp.ToMs(), Clock::NtpToMs(ntp.seconds(), ntp.fractions()));
   EXPECT_EQ(ntp.ToMs(), clock.CurrentNtpInMilliseconds());
 }