Make header include guards great again

runtime/vm/scope_timer.h

Index: runtime/vm/scope_timer.h
diff --git a/runtime/vm/scope_timer.h b/runtime/vm/scope_timer.h
index c60e67ffec6de10d6dfa95c39fec3592cb9de26e..f45854e745744a489e1a21c62afae00fc41b1b87 100644
--- a/runtime/vm/scope_timer.h
+++ b/runtime/vm/scope_timer.h
@@ -2,8 +2,8 @@
 // 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.
 
-#ifndef VM_SCOPE_TIMER_H_
-#define VM_SCOPE_TIMER_H_
+#ifndef RUNTIME_VM_SCOPE_TIMER_H_
+#define RUNTIME_VM_SCOPE_TIMER_H_
 
 #include "platform/globals.h"
 
@@ -45,4 +45,4 @@ class ScopeTimer : public ValueObject {
 
 }  // namespace dart
 
-#endif  // VM_SCOPE_TIMER_H_
+#endif  // RUNTIME_VM_SCOPE_TIMER_H_