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

runtime/vm/growable_array.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.
 // Defines growable array classes, that differ where they are allocated:
 // - GrowableArray: allocated on stack.
 // - ZoneGrowableArray: allocated in the zone.
 // - MallocGrowableArray: allocates using malloc/realloc; free is only called
 //   at destruction.
 
 #ifndef RUNTIME_VM_GROWABLE_ARRAY_H_
@@ skipping 13 matching lines @@
                                                 ASSERT_NOTNULL(zone)) {}
   explicit GrowableArray(intptr_t initial_capacity)
       : BaseGrowableArray<T, ValueObject, Zone>(
             initial_capacity,
             ASSERT_NOTNULL(Thread::Current()->zone())) {}
   GrowableArray()
       : BaseGrowableArray<T, ValueObject, Zone>(
             ASSERT_NOTNULL(Thread::Current()->zone())) {}
 };
 
-
 template <typename T>
 class ZoneGrowableArray : public BaseGrowableArray<T, ZoneAllocated, Zone> {
  public:
   ZoneGrowableArray(Zone* zone, intptr_t initial_capacity)
       : BaseGrowableArray<T, ZoneAllocated, Zone>(initial_capacity,
                                                   ASSERT_NOTNULL(zone)) {}
   explicit ZoneGrowableArray(intptr_t initial_capacity)
       : BaseGrowableArray<T, ZoneAllocated, Zone>(
             initial_capacity,
             ASSERT_NOTNULL(Thread::Current()->zone())) {}
   ZoneGrowableArray()
       : BaseGrowableArray<T, ZoneAllocated, Zone>(
             ASSERT_NOTNULL(Thread::Current()->zone())) {}
 };
 
-
 // T must be a Handle type.
 template <typename T, typename B>
 class BaseGrowableHandlePtrArray : public B {
  public:
   BaseGrowableHandlePtrArray(Zone* zone, intptr_t initial_capacity)
       : zone_(zone), array_(zone, initial_capacity) {}
 
   // Use unique zone handles to store objects.
   void Add(const T& t) { array_.Add(&T::ZoneHandle(zone_, t.raw())); }
 
   T& operator[](intptr_t index) const { return *array_[index]; }
 
   const T& At(intptr_t index) const { return operator[](index); }
 
   void SetAt(intptr_t index, const T& t) {
     array_[index] = &T::ZoneHandle(zone_, t.raw());
   }
 
   intptr_t length() const { return array_.length(); }
 
   const GrowableArray<T*>& growable_array() const { return array_; }
 
  private:
   Zone* zone_;
   GrowableArray<T*> array_;
 
   DISALLOW_COPY_AND_ASSIGN(BaseGrowableHandlePtrArray);
 };
 
-
 template <typename T>
 class GrowableHandlePtrArray
     : public BaseGrowableHandlePtrArray<T, ValueObject> {
  public:
   GrowableHandlePtrArray(Zone* zone, intptr_t initial_capacity)
       : BaseGrowableHandlePtrArray<T, ValueObject>(zone, initial_capacity) {}
 };
 
-
 template <typename T>
 class ZoneGrowableHandlePtrArray
     : public BaseGrowableHandlePtrArray<T, ZoneAllocated> {
  public:
   ZoneGrowableHandlePtrArray(Zone* zone, intptr_t initial_capacity)
       : BaseGrowableHandlePtrArray<T, ZoneAllocated>(zone, initial_capacity) {}
 };
 
 }  // namespace dart
 
 #endif  // RUNTIME_VM_GROWABLE_ARRAY_H_