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

runtime/vm/code_patcher.cc

 // 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.
 
 #include "vm/code_patcher.h"
 #include "vm/cpu.h"
 #include "vm/instructions.h"
 #include "vm/object.h"
 #include "vm/virtual_memory.h"
 
 namespace dart {
 
 DEFINE_FLAG(bool, write_protect_code, true, "Write protect jitted code");
 
-
 WritableInstructionsScope::WritableInstructionsScope(uword address,
                                                      intptr_t size)
     : address_(address), size_(size) {
   if (FLAG_write_protect_code) {
     bool status = VirtualMemory::Protect(reinterpret_cast<void*>(address), size,
                                          VirtualMemory::kReadWrite);
     ASSERT(status);
   }
 }
 
-
 WritableInstructionsScope::~WritableInstructionsScope() {
   if (FLAG_write_protect_code) {
     bool status = VirtualMemory::Protect(reinterpret_cast<void*>(address_),
                                          size_, VirtualMemory::kReadExecute);
     ASSERT(status);
   }
 }
 
 }  // namespace dart