src: implement getting current time in NodePlatform

It is required by a change in V8.
Refs: https://chromium-review.googlesource.com/c/v8/v8/+/598666

PR-URL: nodejs#16271
Reviewed-By: Ben Noordhuis <[email protected]>
Reviewed-By: Myles Borins <[email protected]>

Author: sdats

src/node_platform.cc

@@ -284,11 +284,7 @@ double NodePlatform::MonotonicallyIncreasingTime() {
 }
 
 double NodePlatform::CurrentClockTimeMillis() {
-#ifndef _WIN32
-  return v8::base::OS::TimeCurrentMillis();
-#else
-  return 0.0;
-#endif
+  return SystemClockTimeMillis();
 }
 
 TracingController* NodePlatform::GetTracingController() {

src/node_platform.h

@@ -127,7 +127,7 @@ class NodePlatform : public MultiIsolatePlatform {
                                      double delay_in_seconds) override;
   bool IdleTasksEnabled(v8::Isolate* isolate) override;
   double MonotonicallyIncreasingTime() override;
-  double CurrentClockTimeMillis();
+  double CurrentClockTimeMillis() override;
   v8::TracingController* GetTracingController() override;
 
   void FlushForegroundTasks(v8::Isolate* isolate);