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

runtime/bin/utils_linux.cc

Index: runtime/bin/utils_linux.cc
===================================================================
--- runtime/bin/utils_linux.cc	(revision 18591)
+++ runtime/bin/utils_linux.cc	(working copy)
@@ -4,6 +4,7 @@
 
 #include <errno.h>
 #include <netdb.h>
+#include <sys/time.h>
 
 #include "bin/utils.h"
 #include "platform/assert.h"
@@ -69,3 +70,16 @@
 
 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;
+}