Add 'runnable' to Isolate service response

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 1791 matching lines @@
   jsobj.AddPropertyF("_originNumber", "%" Pd64 "",
                      static_cast<int64_t>(origin_id()));
   int64_t start_time_millis = start_time() / kMicrosecondsPerMillisecond;
   jsobj.AddPropertyTimeMillis("startTime", start_time_millis);
   {
     JSONObject jsheap(&jsobj, "_heaps");
     heap()->PrintToJSONObject(Heap::kNew, &jsheap);
     heap()->PrintToJSONObject(Heap::kOld, &jsheap);
   }
 
+  jsobj.AddProperty("runnable", is_runnable());
   jsobj.AddProperty("livePorts", message_handler()->live_ports());
   jsobj.AddProperty("pauseOnExit", message_handler()->pause_on_exit());
 
   if (message_handler()->paused_on_start()) {
     ASSERT(debugger()->PauseEvent() == NULL);
     ServiceEvent pause_event(this, ServiceEvent::kPauseStart);
     jsobj.AddProperty("pauseEvent", &pause_event);
   } else if (message_handler()->paused_on_exit()) {
     ASSERT(debugger()->PauseEvent() == NULL);
     ServiceEvent pause_event(this, ServiceEvent::kPauseExit);
@@ skipping 731 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