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

runtime/bin/socket.h

Index: runtime/bin/socket.h
diff --git a/runtime/bin/socket.h b/runtime/bin/socket.h
index 29edee9005217c3a53c9066dfde0d8ea5f89991d..8049acd71fc7b36931939b95a1eb8027f19e0644 100644
--- a/runtime/bin/socket.h
+++ b/runtime/bin/socket.h
@@ -88,7 +88,6 @@ class Socket : public ReferenceCounted<Socket> {
   DISALLOW_COPY_AND_ASSIGN(Socket);
 };
 
-
 class ServerSocket {
  public:
   static const intptr_t kTemporaryFailure = -2;
@@ -116,7 +115,6 @@ class ServerSocket {
   DISALLOW_IMPLICIT_CONSTRUCTORS(ServerSocket);
 };
 
-
 class ListeningSocketRegistry {
  public:
   ListeningSocketRegistry()
@@ -203,7 +201,6 @@ class ListeningSocketRegistry {
     return static_cast<uint32_t>((i + 1) & 0xFFFFFFFF);
   }
 
-
   static void* GetHashmapKeyFromIntptr(intptr_t i) {
     return reinterpret_cast<void*>(i + 1);
   }