Handle vmservice messages while at breakpoint.

runtime/vm/debugger_api_impl.cc

Index: runtime/vm/debugger_api_impl.cc
===================================================================
--- runtime/vm/debugger_api_impl.cc	(revision 31070)
+++ runtime/vm/debugger_api_impl.cc	(working copy)
@@ -973,6 +973,12 @@
 }
 
 
+DART_EXPORT Dart_IsolateId Dart_GetIsolateId(Dart_Isolate dart_isolate) {
+  Isolate* isolate = reinterpret_cast<Isolate*>(dart_isolate);
+  return isolate->debugger()->GetIsolateId();

[hausner, 2013/12/17 21:04:33]

Not for this change, but maybe it's time to move the id accessor from the
debugger to the isolate. 

[turnidge, 2013/12/17 21:50:01]

Interestingly, it is already there, isolate->debugger()->GetIsolate() ==
isolate->main_port().

+}
+
+
 DART_EXPORT char* Dart_GetVmStatus(const char* request) {
   if (strncmp(request, "/isolate/", 9) == 0) {
     return Isolate::GetStatus(request);