Moved GetCurrentTime functions from bin/eventhandler to bin/utils.

runtime/bin/utils_macos.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include <errno.h>
 #include <netdb.h>
+#include <sys/time.h>
 
 #include "bin/utils.h"
 #include "platform/assert.h"
 
 OSError::OSError() : sub_system_(kSystem), code_(0), message_(NULL) {
   set_sub_system(kSystem);
   set_code(errno);
   SetMessage(strerror(errno));
 }
 
@@ skipping 45 matching lines @@
   UNIMPLEMENTED();
   return NULL;
 }
 
 wchar_t** ShellUtils::GetUnicodeArgv(int* argc) {
   return NULL;
 }
 
 void ShellUtils::FreeUnicodeArgv(wchar_t** argv) {
 }
+
+int64_t TimerUtils::GetCurrentTimeMilliseconds() {
+  return GetCurrentTimeMicros() / 1000;
+}
+
+int64_t TimerUtils::GetCurrentTimeMicros() {
+  struct timeval tv;
+  if (gettimeofday(&tv, NULL) < 0) {
+    UNREACHABLE();
+    return 0;
+  }
+  return (static_cast<int64_t>(tv.tv_sec) * 1000000) + tv.tv_usec;
+}