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

runtime/vm/dart_entry.h

Index: runtime/vm/dart_entry.h
diff --git a/runtime/vm/dart_entry.h b/runtime/vm/dart_entry.h
index 9722ed2e9669a94af869b34a22511e63635a0e65..d3aad80980fef470d2b0e6d8133b84e5680ee0bf 100644
--- a/runtime/vm/dart_entry.h
+++ b/runtime/vm/dart_entry.h
@@ -119,7 +119,6 @@ class ArgumentsDescriptor : public ValueObject {
   DISALLOW_COPY_AND_ASSIGN(ArgumentsDescriptor);
 };
 
-
 // DartEntry abstracts functionality needed to resolve dart functions
 // and invoke them from C++.
 class DartEntry : public AllStatic {
@@ -165,7 +164,6 @@ class DartEntry : public AllStatic {
                                        const Array& arguments_descriptor);
 };
 
-
 // Utility functions to call from VM into Dart bootstrap libraries.
 // Each may return an exception object.
 class DartLibraryCalls : public AllStatic {