Add getIsolateID to Service class in dart:developer

runtime/vm/isolate.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/isolate.h"
 
 #include "include/dart_api.h"
 #include "include/dart_native_api.h"
 #include "platform/assert.h"
 #include "platform/text_buffer.h"
@@ skipping 1956 matching lines @@
   }
 }
 
 
 void Isolate::PrintJSON(JSONStream* stream, bool ref) {
   if (!FLAG_support_service) {
     return;
   }
   JSONObject jsobj(stream);
   jsobj.AddProperty("type", (ref ? "@Isolate" : "Isolate"));
-  jsobj.AddFixedServiceId("isolates/%" Pd64 "",
+  jsobj.AddFixedServiceId(ISOLATE_SERVICE_ID_FORMAT_STRING,
                           static_cast<int64_t>(main_port()));
 
   jsobj.AddProperty("name", debugger_name());
   jsobj.AddPropertyF("number", "%" Pd64 "", static_cast<int64_t>(main_port()));
   if (ref) {
     return;
   }
   jsobj.AddPropertyF("_originNumber", "%" Pd64 "",
                      static_cast<int64_t>(origin_id()));
   int64_t start_time_millis = start_time() / kMicrosecondsPerMillisecond;
@@ skipping 948 matching lines @@
 void IsolateSpawnState::DecrementSpawnCount() {
   ASSERT(spawn_count_monitor_ != NULL);
   ASSERT(spawn_count_ != NULL);
   MonitorLocker ml(spawn_count_monitor_);
   ASSERT(*spawn_count_ > 0);
   *spawn_count_ = *spawn_count_ - 1;
   ml.Notify();
 }
 
 }  // namespace dart