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

runtime/vm/scavenger.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_SCAVENGER_H_
 #define RUNTIME_VM_SCAVENGER_H_
 
 #include "platform/assert.h"
 #include "platform/utils.h"
 #include "vm/dart.h"
@@ skipping 45 matching lines @@
   explicit SemiSpace(VirtualMemory* reserved);
   ~SemiSpace();
 
   VirtualMemory* reserved_;  // NULL for an empty space.
   MemoryRegion region_;
 
   static SemiSpace* cache_;
   static Mutex* mutex_;
 };
 
-
 // Statistics for a particular scavenge.
 class ScavengeStats {
  public:
   ScavengeStats() {}
   ScavengeStats(int64_t start_micros,
                 int64_t end_micros,
                 SpaceUsage before,
                 SpaceUsage after,
                 intptr_t promo_candidates_in_words,
                 intptr_t promoted_in_words)
@@ skipping 23 matching lines @@
 
  private:
   int64_t start_micros_;
   int64_t end_micros_;
   SpaceUsage before_;
   SpaceUsage after_;
   intptr_t promo_candidates_in_words_;
   intptr_t promoted_in_words_;
 };
 
-
 class Scavenger {
  public:
   Scavenger(Heap* heap,
             intptr_t max_semi_capacity_in_words,
             uword object_alignment);
   ~Scavenger();
 
   // Check whether this Scavenger contains this address.
   // During scavenging both the to and from spaces contain "legal" objects.
   // During a scavenge this function only returns true for addresses that will
@@ skipping 176 matching lines @@
 
   friend class ScavengerVisitor;
   friend class ScavengerWeakVisitor;
 
   DISALLOW_COPY_AND_ASSIGN(Scavenger);
 };
 
 }  // namespace dart
 
 #endif  // RUNTIME_VM_SCAVENGER_H_