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

runtime/vm/freelist.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_FREELIST_H_
 #define RUNTIME_VM_FREELIST_H_
 
 #include "platform/assert.h"
 #include "vm/allocation.h"
 #include "vm/bit_set.h"
+#include "vm/os_thread.h"
 #include "vm/raw_object.h"
-#include "vm/os_thread.h"
 
 namespace dart {
 
 // FreeListElement describes a freelist element.  Smallest FreeListElement is
 // two words in size.  Second word of the raw object is used to keep a next_
 // pointer to chain elements of the list together. For objects larger than the
 // object size encodable in tags field, the size of the element is embedded in
 // the element at the address following the next_ field. All words written by
 // the freelist are guaranteed to look like Smis.
 // A FreeListElement never has its header mark bit set.
@@ skipping 44 matching lines @@
     uword addr = reinterpret_cast<uword>(&next_) + kWordSize;
     return reinterpret_cast<intptr_t*>(addr);
   }
 
   // FreeListElements cannot be allocated. Instead references to them are
   // created using the AsElement factory method.
   DISALLOW_ALLOCATION();
   DISALLOW_IMPLICIT_CONSTRUCTORS(FreeListElement);
 };
 
-
 class FreeList {
  public:
   FreeList();
   ~FreeList();
 
   uword TryAllocate(intptr_t size, bool is_protected);
   void Free(uword addr, intptr_t size);
 
   void Reset();
 
@@ skipping 40 matching lines @@
 
   // The largest available small size in bytes, or negative if there is none.
   intptr_t last_free_small_size_;
 
   DISALLOW_COPY_AND_ASSIGN(FreeList);
 };
 
 }  // namespace dart
 
 #endif  // RUNTIME_VM_FREELIST_H_