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

runtime/lib/weak_property.cc

Index: runtime/lib/weak_property.cc
diff --git a/runtime/lib/weak_property.cc b/runtime/lib/weak_property.cc
index 88b9bf870d5926315151c30f6f5ab99f9e7abacf..069f77d363f2135e7e4a4e715c5205b985c8342b 100644
--- a/runtime/lib/weak_property.cc
+++ b/runtime/lib/weak_property.cc
@@ -19,21 +19,18 @@ DEFINE_NATIVE_ENTRY(WeakProperty_new, 2) {
   return weak_property.raw();
 }
 
-
 DEFINE_NATIVE_ENTRY(WeakProperty_getKey, 1) {
   GET_NON_NULL_NATIVE_ARGUMENT(WeakProperty, weak_property,
                                arguments->NativeArgAt(0));
   return weak_property.key();
 }
 
-
 DEFINE_NATIVE_ENTRY(WeakProperty_getValue, 1) {
   GET_NON_NULL_NATIVE_ARGUMENT(WeakProperty, weak_property,
                                arguments->NativeArgAt(0));
   return weak_property.value();
 }
 
-
 DEFINE_NATIVE_ENTRY(WeakProperty_setValue, 2) {
   GET_NON_NULL_NATIVE_ARGUMENT(WeakProperty, weak_property,
                                arguments->NativeArgAt(0));