VM Service isolate listing

runtime/vm/isolate.cc

Index: runtime/vm/isolate.cc
diff --git a/runtime/vm/isolate.cc b/runtime/vm/isolate.cc
index 5c5f9775919a0eb06240bba0fa7bc7707865230e..97f02d86d671d0f6a444e9c466a179e96750eb32 100644
--- a/runtime/vm/isolate.cc
+++ b/runtime/vm/isolate.cc
@@ -27,6 +27,7 @@
 #include "vm/timer.h"
 #include "vm/visitor.h"
 #include "vm/object_id_ring.h"
+#include "vm/service.h"
 
 namespace dart {
 
@@ -136,9 +137,15 @@ bool IsolateMessageHandler::HandleMessage(Message* message) {
 
   bool success = true;
   if (message->IsOOB()) {
-    // For now the only OOB messages are Mirrors messages.
-    HandleMirrorsMessage(isolate_, message->reply_port(), msg);
+    if (message->IsService()) {
+      HandleServiceMessage(isolate_, message->reply_port(), msg);
+    } else {
+      ASSERT(message->type() == Message::kNormalType);
+      HandleMirrorsMessage(isolate_, message->reply_port(), msg);
+    }
   } else {
+    // If it is not an OOB message, it must be a normal message.
+    ASSERT(message->type() == Message::kNormalType);
     const Object& result = Object::Handle(
         DartLibraryCalls::HandleMessage(
             receive_port, message->reply_port(), msg));