Major rework of vm service events.

runtime/vm/service.h

 // 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.
 
 #ifndef VM_SERVICE_H_
 #define VM_SERVICE_H_
 
 #include "include/dart_api.h"
 
 #include "vm/allocation.h"
 #include "vm/os_thread.h"
 
 namespace dart {
 
 class Array;
-class DebuggerEvent;
 class EmbedderServiceHandler;
 class GCEvent;
 class Instance;
 class Isolate;
 class JSONStream;
 class Object;
 class RawInstance;
+class ServiceEvent;
 class String;
 
 class Service : public AllStatic {
  public:
   // Handles a message which is not directed to an isolate.
   static void HandleRootMessage(const Array& message);
 
   // Handles a message which is directed to a particular isolate.
   static void HandleIsolateMessage(Isolate* isolate, const Array& message);
 
   static bool EventMaskHas(uint32_t mask);
   static void SetEventMask(uint32_t mask);
+  static bool NeedsEvents();
   static bool NeedsDebuggerEvents();
   static bool NeedsGCEvents();
 
-  static void HandleDebuggerEvent(DebuggerEvent* event);
+  static void HandleEvent(ServiceEvent* event);
   static void HandleGCEvent(GCEvent* event);
 
   static void RegisterIsolateEmbedderCallback(
       const char* name,
       Dart_ServiceRequestCallback callback,
       void* user_data);
 
   static void RegisterRootEmbedderCallback(
       const char* name,
       Dart_ServiceRequestCallback callback,
@@ skipping 26 matching lines @@
 
   static EmbedderServiceHandler* isolate_service_handler_head_;
   static EmbedderServiceHandler* root_service_handler_head_;
 
   static uint32_t event_mask_;
 };
 
 }  // namespace dart
 
 #endif  // VM_SERVICE_H_