Make header include guards great again

runtime/vm/reusable_handles.h

 // Copyright (c) 2013, 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.
 
-#ifndef VM_REUSABLE_HANDLES_H_
-#define VM_REUSABLE_HANDLES_H_
+#ifndef RUNTIME_VM_REUSABLE_HANDLES_H_
+#define RUNTIME_VM_REUSABLE_HANDLES_H_
 
 #include "vm/allocation.h"
 #include "vm/handles.h"
 #include "vm/object.h"
 
 namespace dart {
 
 // Classes registered in REUSABLE_HANDLE_LIST have an thread specific reusable
 // handle. A guard class (Reusable*ClassName*HandleScope) should be used in
 // regions of the virtual machine where the thread specific reusable handle
@@ skipping 97 matching lines @@
   ReusableSmiHandleScope reused_smi_handle(thread);
 #define REUSABLE_STRING_HANDLESCOPE(thread)                                    \
   ReusableStringHandleScope reused_string_handle(thread);
 #define REUSABLE_TYPE_ARGUMENTS_HANDLESCOPE(thread)                            \
   ReusableTypeArgumentsHandleScope reused_type_arguments_handle(thread);
 #define REUSABLE_TYPE_PARAMETER_HANDLESCOPE(thread)                            \
   ReusableTypeParameterHandleScope reused_type_parameter(thread);
 
 }  // namespace dart
 
-#endif  // VM_REUSABLE_HANDLES_H_
+#endif  // RUNTIME_VM_REUSABLE_HANDLES_H_