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

runtime/vm/metrics.h

 // Copyright (c) 2014, 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_METRICS_H_
 #define RUNTIME_VM_METRICS_H_
 
 #include "vm/allocation.h"
 
 namespace dart {
@@ skipping 91 matching lines @@
 
   void RegisterWithIsolate();
   void DeregisterWithIsolate();
   void RegisterWithVM();
   void DeregisterWithVM();
 
   static Metric* vm_list_head_;
   DISALLOW_COPY_AND_ASSIGN(Metric);
 };
 
-
 // A Metric class that reports the maximum value observed.
 // Initial maximum is kMinInt64.
 class MaxMetric : public Metric {
  public:
   MaxMetric();
 
   void SetValue(int64_t new_value);
 };
 
-
 // A Metric class that reports the minimum value observed.
 // Initial minimum is kMaxInt64.
 class MinMetric : public Metric {
  public:
   MinMetric();
 
   void SetValue(int64_t new_value);
 };
 
-
 class MetricHeapOldUsed : public Metric {
  protected:
   virtual int64_t Value() const;
 };
 
-
 class MetricHeapOldCapacity : public Metric {
  protected:
   virtual int64_t Value() const;
 };
 
-
 class MetricHeapOldExternal : public Metric {
  protected:
   virtual int64_t Value() const;
 };
 
-
 class MetricHeapNewUsed : public Metric {
  protected:
   virtual int64_t Value() const;
 };
 
-
 class MetricHeapNewCapacity : public Metric {
  protected:
   virtual int64_t Value() const;
 };
 
-
 class MetricHeapNewExternal : public Metric {
  protected:
   virtual int64_t Value() const;
 };
 
-
 class MetricIsolateCount : public Metric {
  protected:
   virtual int64_t Value() const;
 };
 
-
 class MetricPeakRSS : public Metric {
  protected:
   virtual int64_t Value() const;
 };
 
-
 class MetricHeapUsed : public Metric {
  protected:
   virtual int64_t Value() const;
 };
 
 }  // namespace dart
 
 #endif  // RUNTIME_VM_METRICS_H_