Support stacktrace and objecthistogram service commands

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 "platform/assert.h"
 #include "platform/json.h"
 #include "lib/mirrors.h"
@@ skipping 135 matching lines @@
     if (result.IsError()) {
       success = ProcessUnhandledException(msg, Error::Cast(result));
     } else {
       ASSERT(result.IsNull());
     }
   }
   delete message;
   return success;
 }
 
+
 RawFunction* IsolateMessageHandler::ResolveCallbackFunction() {
   ASSERT(isolate_->object_store()->unhandled_exception_handler() != NULL);
   String& callback_name = String::Handle(isolate_);
   if (isolate_->object_store()->unhandled_exception_handler() !=
       String::null()) {
     callback_name = isolate_->object_store()->unhandled_exception_handler();
   } else {
     callback_name = String::New("_unhandledExceptionCallback");
   }
   Library& lib =
@@ skipping 1032 matching lines @@
   return func.raw();
 }
 
 
 void IsolateSpawnState::Cleanup() {
   SwitchIsolateScope switch_scope(isolate());
   Dart::ShutdownIsolate();
 }
 
 }  // namespace dart