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

runtime/vm/assembler_dbc.h

Index: runtime/vm/assembler_dbc.h
diff --git a/runtime/vm/assembler_dbc.h b/runtime/vm/assembler_dbc.h
index dbe821669f7efbe5667f9e53cbbb59b3168ad097..39c3d9a49d491ee483f058cc53eaa40f6a1f5c20 100644
--- a/runtime/vm/assembler_dbc.h
+++ b/runtime/vm/assembler_dbc.h
@@ -19,14 +19,12 @@
 
 namespace dart {
 
-
 // Dummy declaration to make things compile.
 class Address : public ValueObject {
  private:
   Address();
 };
 
-
 class Label : public ValueObject {
  public:
   Label() : position_(0) {}
@@ -68,7 +66,6 @@ class Label : public ValueObject {
   DISALLOW_COPY_AND_ASSIGN(Label);
 };
 
-
 class Assembler : public ValueObject {
  public:
   explicit Assembler(bool use_far_branches = false) : buffer_(), comments_() {}
@@ -138,7 +135,6 @@ class Assembler : public ValueObject {
 #define PARAMS_T intptr_t x
 #define PARAMS_A_X uintptr_t ra, intptr_t x
 
-
   BYTECODES_LIST(DECLARE_EMIT)
 
 #undef PARAMS_0
@@ -185,7 +181,6 @@ class Assembler : public ValueObject {
   DISALLOW_COPY_AND_ASSIGN(Assembler);
 };
 
-
 }  // namespace dart
 
 #endif  // RUNTIME_VM_ASSEMBLER_DBC_H_