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

runtime/vm/atomic_macos.h

Index: runtime/vm/atomic_macos.h
diff --git a/runtime/vm/atomic_macos.h b/runtime/vm/atomic_macos.h
index 6913a3fb3f83d7212e8a4452a6a63c1fa588ec2d..1ac693ab37a5b68f8af66a55e025dbfbb7432d2c 100644
--- a/runtime/vm/atomic_macos.h
+++ b/runtime/vm/atomic_macos.h
@@ -15,42 +15,34 @@
 
 namespace dart {
 
-
 inline uintptr_t AtomicOperations::FetchAndIncrement(uintptr_t* p) {
   return __sync_fetch_and_add(p, 1);
 }
 
-
 inline intptr_t AtomicOperations::FetchAndIncrement(intptr_t* p) {
   return __sync_fetch_and_add(p, 1);
 }
 
-
 inline void AtomicOperations::IncrementBy(intptr_t* p, intptr_t value) {
   __sync_fetch_and_add(p, value);
 }
 
-
 inline void AtomicOperations::IncrementInt64By(int64_t* p, int64_t value) {
   __sync_fetch_and_add(p, value);
 }
 
-
 inline uintptr_t AtomicOperations::FetchAndDecrement(uintptr_t* p) {
   return __sync_fetch_and_sub(p, 1);
 }
 
-
 inline intptr_t AtomicOperations::FetchAndDecrement(intptr_t* p) {
   return __sync_fetch_and_sub(p, 1);
 }
 
-
 inline void AtomicOperations::DecrementBy(intptr_t* p, intptr_t value) {
   __sync_fetch_and_sub(p, value);
 }
 
-
 #if !defined(USING_SIMULATOR_ATOMICS)
 inline uword AtomicOperations::CompareAndSwapWord(uword* ptr,
                                                   uword old_value,
@@ -58,7 +50,6 @@ inline uword AtomicOperations::CompareAndSwapWord(uword* ptr,
   return __sync_val_compare_and_swap(ptr, old_value, new_value);
 }
 
-
 inline uint32_t AtomicOperations::CompareAndSwapUint32(uint32_t* ptr,
                                                        uint32_t old_value,
                                                        uint32_t new_value) {