vm-service: Include pauseEvent even when running without debugger support.

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 "include/dart_native_api.h"
 #include "platform/globals.h"
 
@@ skipping 1321 matching lines @@
 
 
 static const MethodParameter* get_stack_params[] = {
   RUNNABLE_ISOLATE_PARAMETER,
   new BoolParameter("_full", false),
   NULL,
 };
 
 
 static bool GetStack(Thread* thread, JSONStream* js) {
-  if (!thread->isolate()->compilation_allowed()) {
+  Isolate* isolate = thread->isolate();
+  if (isolate->debugger() == NULL) {
     js->PrintError(kFeatureDisabled,
-        "Cannot get stack when running a precompiled program.");
+                   "Cannot get stack when debugger disabled.");
     return true;
   }
-  Isolate* isolate = thread->isolate();
+  ASSERT(isolate->compilation_allowed());
   DebuggerStackTrace* stack = isolate->debugger()->StackTrace();
   // Do we want the complete script object and complete local variable objects?
   // This is true for dump requests.
   const bool full = BoolParameter::Parse(js->LookupParam("_full"), false);
   JSONObject jsobj(js);
   jsobj.AddProperty("type", "Stack");
   {
     JSONArray jsarr(&jsobj, "frames");
 
     intptr_t num_frames = stack->Length();
@@ skipping 2772 matching lines @@
     if (strcmp(method_name, method.name) == 0) {
       return &method;
     }
   }
   return NULL;
 }
 
 #endif  // !PRODUCT
 
 }  // namespace dart