Use TimeTicks instead of Time in FutexEmulation::Wait.

src/futex-emulation.cc

Index: src/futex-emulation.cc
diff --git a/src/futex-emulation.cc b/src/futex-emulation.cc
index 39f43dd7dd8c998e8ec571b5942194827a240f75..5a0ce07f1a545389e8d5431f09ff0adf39acc178 100644
--- a/src/futex-emulation.cc
+++ b/src/futex-emulation.cc
@@ -101,15 +101,15 @@ Object* FutexEmulation::Wait(Isolate* isolate,
     }
   }
 
-  base::Time start_time = base::Time::NowFromSystemTime();
-  base::Time timeout_time = start_time + rel_timeout;
+  base::TimeTicks start_time = base::TimeTicks::Now();
+  base::TimeTicks timeout_time = start_time + rel_timeout;
 
   wait_list_.Pointer()->AddNode(node);
 
   Object* result;
 
   while (true) {
-    base::Time current_time = base::Time::NowFromSystemTime();
+    base::TimeTicks current_time = base::TimeTicks::Now();
     if (use_timeout && current_time > timeout_time) {
       result = Smi::FromInt(Result::kTimedOut);
       break;