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

runtime/vm/visitor.h

 // Copyright (c) 2011, 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_VISITOR_H_
 #define RUNTIME_VM_VISITOR_H_
 
 #include "vm/allocation.h"
 #include "vm/globals.h"
 #include "vm/growable_array.h"
@@ skipping 25 matching lines @@
 
   void VisitPointer(RawObject** p) { VisitPointers(p, p); }
 
  private:
   Isolate* isolate_;
   NoSafepointScope no_safepoints_;
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(ObjectPointerVisitor);
 };
 
-
 // An object visitor interface.
 class ObjectVisitor {
  public:
   ObjectVisitor() {}
 
   virtual ~ObjectVisitor() {}
 
   // Invoked for each object.
   virtual void VisitObject(RawObject* obj) = 0;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(ObjectVisitor);
 };
 
-
 // An object finder visitor interface.
 class FindObjectVisitor {
  public:
   FindObjectVisitor() {}
   virtual ~FindObjectVisitor() {}
 
   // Allow to specify a address filter.
   virtual uword filter_addr() const { return 0; }
   bool VisitRange(uword begin_addr, uword end_addr) const {
     uword addr = filter_addr();
     return (addr == 0) || ((begin_addr <= addr) && (addr < end_addr));
   }
 
   // Check if object matches find condition.
   virtual bool FindObject(RawObject* obj) const = 0;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(FindObjectVisitor);
 };
 
 }  // namespace dart
 
 #endif  // RUNTIME_VM_VISITOR_H_