Clean up unused constant globals

chrome/browser/performance_monitor/performance_monitor.cc

Index: chrome/browser/performance_monitor/performance_monitor.cc
diff --git a/chrome/browser/performance_monitor/performance_monitor.cc b/chrome/browser/performance_monitor/performance_monitor.cc
index 55e5df146176ae939cab29a41640edf41e57062b..12d7a7c325d0bce5e385cd87743e445d8a5588e2 100644
--- a/chrome/browser/performance_monitor/performance_monitor.cc
+++ b/chrome/browser/performance_monitor/performance_monitor.cc
@@ -50,11 +50,6 @@ namespace performance_monitor {
 
 namespace {
 
-const uint32 kAccessFlags = base::kProcessAccessDuplicateHandle |
-                            base::kProcessAccessQueryInformation |
-                            base::kProcessAccessTerminate |
-                            base::kProcessAccessWaitForTermination;
-
 std::string TimeToString(base::Time time) {
   int64 time_int64 = time.ToInternalValue();
   return base::Int64ToString(time_int64);