Add VMService GC events

runtime/vm/service.cc

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/service.h"
 
 #include "include/dart_api.h"
 #include "platform/globals.h"
 
 #include "vm/compiler.h"
@@ skipping 2401 matching lines @@
   intptr_t len = writer.BytesWritten();
   if (FLAG_trace_service) {
     OS::Print("Pushing event of type %" Pd ", len %" Pd "\n", eventId, len);
   }
   // TODO(turnidge): For now we ignore failure to send an event.  Revisit?
   PortMap::PostMessage(
       new Message(port_, data, len, Message::kNormalPriority));
 }
 
 
+void Service::HandleGCEvent(GCEvent* event) {
+  JSONStream js;
+  event->PrintJSON(&js);
+  const String& message = String::Handle(String::New(js.ToCString()));
+  SendEvent(kEventFamilyGC, message);
+}
+
+
 void Service::HandleDebuggerEvent(DebuggerEvent* event) {
   JSONStream js;
   event->PrintJSON(&js);
   const String& message = String::Handle(String::New(js.ToCString()));
   SendEvent(kEventFamilyDebug, message);
 }
 
 
 void Service::EmbedderHandleMessage(EmbedderServiceHandler* handler,
                                     JSONStream* js) {
@@ skipping 84 matching lines @@
   while (current != NULL) {
     if (strcmp(name, current->name()) == 0) {
       return current;
     }
     current = current->next();
   }
   return NULL;
 }
 
 }  // namespace dart