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

runtime/vm/native_entry.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_NATIVE_ENTRY_H_
 #define RUNTIME_VM_NATIVE_ENTRY_H_
 
 #include "platform/memory_sanitizer.h"
 
 #include "vm/allocation.h"
@@ skipping 68 matching lines @@
       SET_NATIVE_RETVAL(                                                       \
           arguments,                                                           \
           DN_Helper##name(isolate, thread, zone.GetZone(), arguments));        \
       DEOPTIMIZE_ALOT;                                                         \
     }                                                                          \
     VERIFY_ON_TRANSITION;                                                      \
   }                                                                            \
   static RawObject* DN_Helper##name(Isolate* isolate, Thread* thread,          \
                                     Zone* zone, NativeArguments* arguments)
 
-
 // Helper that throws an argument exception.
 void DartNativeThrowArgumentException(const Instance& instance);
 
 // Natives should throw an exception if an illegal argument or null is passed.
 // type name = value.
 #define GET_NON_NULL_NATIVE_ARGUMENT(type, name, value)                        \
   const Instance& __##name##_instance__ =                                      \
       Instance::CheckedHandle(zone, value);                                    \
   if (!__##name##_instance__.Is##type()) {                                     \
     DartNativeThrowArgumentException(__##name##_instance__);                   \
   }                                                                            \
   const type& name = type::Cast(__##name##_instance__);
 
-
 // Natives should throw an exception if an illegal argument is passed.
 // type name = value.
 #define GET_NATIVE_ARGUMENT(type, name, value)                                 \
   const Instance& __##name##_instance__ =                                      \
       Instance::CheckedHandle(zone, value);                                    \
   type& name = type::Handle(zone);                                             \
   if (!__##name##_instance__.IsNull()) {                                       \
     if (!__##name##_instance__.Is##type()) {                                   \
       DartNativeThrowArgumentException(__##name##_instance__);                 \
     }                                                                          \
   }                                                                            \
   name ^= value;
 
-
 // Helper class for resolving and handling native functions.
 class NativeEntry : public AllStatic {
  public:
   static const intptr_t kNumArguments = 1;
   static const intptr_t kNumCallWrapperArguments = 2;
 
   // Resolve specified dart native function to the actual native entrypoint.
   static NativeFunction ResolveNative(const Library& library,
                                       const String& function_name,
                                       int number_of_arguments,
@@ skipping 22 matching lines @@
   static void AutoScopeNativeCallWrapperNoStackCheck(Dart_NativeArguments args,
                                                      Dart_NativeFunction func);
 
   static bool ReturnValueIsError(NativeArguments* arguments);
   static void PropagateErrors(NativeArguments* arguments);
 };
 
 }  // namespace dart
 
 #endif  // RUNTIME_VM_NATIVE_ENTRY_H_