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

runtime/vm/code_patcher.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.
 // Class for patching compiled code.
 
 #ifndef RUNTIME_VM_CODE_PATCHER_H_
 #define RUNTIME_VM_CODE_PATCHER_H_
 
 #include "vm/allocation.h"
 #include "vm/native_entry.h"
 
 namespace dart {
 
 // Forward declaration.
 class Array;
 class Code;
 class ExternalLabel;
 class Function;
 class ICData;
 class RawArray;
 class RawCode;
 class RawFunction;
 class RawICData;
 class RawObject;
 class String;
 
-
 // Stack-allocated class to create a scope where the specified region
 // [address, address + size] has write access enabled. This is used
 // when patching generated code. Access is reset to read-execute in
 // the destructor of this scope.
 class WritableInstructionsScope : public ValueObject {
  public:
   WritableInstructionsScope(uword address, intptr_t size);
   ~WritableInstructionsScope();
 
  private:
   const uword address_;
   const intptr_t size_;
 };
 
-
 class CodePatcher : public AllStatic {
  public:
   // Dart static calls have a distinct, machine-dependent code pattern.
 
   // Patch static call before return_address in given code to the new target.
   static void PatchStaticCallAt(uword return_address,
                                 const Code& code,
                                 const Code& new_target);
 
   // Return the target address of the static call before return_address
@@ skipping 36 matching lines @@
 
   static void PatchNativeCallAt(uword return_address,
                                 const Code& code,
                                 NativeFunction target,
                                 const Code& trampoline);
 };
 
 }  // namespace dart
 
 #endif  // RUNTIME_VM_CODE_PATCHER_H_