VM: Re-format to use at most one newline between functions

runtime/vm/flags.h

 // 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.
 
 #ifndef RUNTIME_VM_FLAGS_H_
 #define RUNTIME_VM_FLAGS_H_
 
 #include "platform/assert.h"
 #include "vm/flag_list.h"
 #include "vm/globals.h"
 
 typedef const char* charp;
 
 #define DECLARE_FLAG(type, name) extern type FLAG_##name
 
 #define DEFINE_FLAG(type, name, default_value, comment)                        \
   type FLAG_##name =                                                           \
       Flags::Register_##type(&FLAG_##name, #name, default_value, comment);
 
 #define DEFINE_FLAG_HANDLER(handler, name, comment)                            \
   bool DUMMY_##name = Flags::Register_func(handler, #name, comment);
 
-
 namespace dart {
 
 typedef void (*FlagHandler)(bool value);
 
 // Forward declarations.
 class Flag;
 class JSONArray;
 class JSONStream;
 
 class Flags {
@@ skipping 112 matching lines @@
           PRECOMPILE_FLAG_MARCO)
 
 #undef RELEASE_FLAG_MARCO
 #undef DEBUG_FLAG_MARCO
 #undef PRODUCT_FLAG_MARCO
 #undef PRECOMPILE_FLAG_MARCO
 
 }  // namespace dart
 
 #endif  // RUNTIME_VM_FLAGS_H_