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

runtime/vm/message.cc

Index: runtime/vm/message.cc
diff --git a/runtime/vm/message.cc b/runtime/vm/message.cc
index 4d5fc31216e243663520927bfbab1578fe91f42a..305b4ebac5e49deb0b61b4990a9e0444a9837c4c 100644
--- a/runtime/vm/message.cc
+++ b/runtime/vm/message.cc
@@ -20,7 +20,6 @@ bool Message::RedirectToDeliveryFailurePort() {
   return true;
 }
 
-
 intptr_t Message::Id() const {
   // Messages are allocated on the C heap. Use the raw address as the id.
   return reinterpret_cast<intptr_t>(this);
@@ -40,20 +39,17 @@ const char* Message::PriorityAsString(Priority priority) {
   }
 }
 
-
 MessageQueue::MessageQueue() {
   head_ = NULL;
   tail_ = NULL;
 }
 
-
 MessageQueue::~MessageQueue() {
   // Ensure that all pending messages have been released.
   Clear();
   ASSERT(head_ == NULL);
 }
 
-
 void MessageQueue::Enqueue(Message* msg, bool before_events) {
   // Make sure messages are not reused.
   ASSERT(msg->next_ == NULL);
@@ -95,7 +91,6 @@ void MessageQueue::Enqueue(Message* msg, bool before_events) {
   }
 }
 
-
 Message* MessageQueue::Dequeue() {
   Message* result = head_;
   if (result != NULL) {
@@ -112,7 +107,6 @@ Message* MessageQueue::Dequeue() {
   return NULL;
 }
 
-
 void MessageQueue::Clear() {
   Message* cur = head_;
   head_ = NULL;
@@ -128,12 +122,10 @@ void MessageQueue::Clear() {
   }
 }
 
-
 MessageQueue::Iterator::Iterator(const MessageQueue* queue) : next_(NULL) {
   Reset(queue);
 }
 
-
 MessageQueue::Iterator::~Iterator() {}
 
 void MessageQueue::Iterator::Reset(const MessageQueue* queue) {
@@ -153,7 +145,6 @@ Message* MessageQueue::Iterator::Next() {
   return current;
 }
 
-
 intptr_t MessageQueue::Length() const {
   MessageQueue::Iterator it(this);
   intptr_t length = 0;
@@ -164,7 +155,6 @@ intptr_t MessageQueue::Length() const {
   return length;
 }
 
-
 Message* MessageQueue::FindMessageById(intptr_t id) {
   MessageQueue::Iterator it(this);
   while (it.HasNext()) {
@@ -177,7 +167,6 @@ Message* MessageQueue::FindMessageById(intptr_t id) {
   return NULL;
 }
 
-
 void MessageQueue::PrintJSON(JSONStream* stream) {
 #ifndef PRODUCT
   if (!FLAG_support_service) {