Remove the partially completed code for remote IsolateMirrors and

runtime/vm/port.cc

 // Copyright (c) 2012, 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/port.h"
 
 #include "platform/utils.h"
 #include "vm/dart_api_impl.h"
 #include "vm/isolate.h"
 #include "vm/message_handler.h"
@@ skipping 199 matching lines @@
   ASSERT(index >= 0);
   ASSERT(index < capacity_);
   MessageHandler* handler = map_[index].handler;
   ASSERT(map_[index].port != 0);
   ASSERT((handler != NULL) && (handler != deleted_entry_));
   handler->PostMessage(message);
   return true;
 }
 
 
+bool PortMap::IsLocalPort(Dart_Port id) {
+  MutexLocker ml(mutex_);
+  intptr_t index = FindPort(id);
+  if (index < 0) {
+    // Port does not exist.
+    return false;
+  }
+
+  MessageHandler* handler = map_[index].handler;
+  return handler->IsCurrentIsolate();
+}
+
+
 void PortMap::InitOnce() {
   mutex_ = new Mutex();
 
   static const intptr_t kInitialCapacity = 8;
   // TODO(iposva): Verify whether we want to keep exponentially growing.
   ASSERT(Utils::IsPowerOfTwo(kInitialCapacity));
   map_ = new Entry[kInitialCapacity];
   memset(map_, 0, kInitialCapacity * sizeof(Entry));
   capacity_ = kInitialCapacity;
   used_ = 0;
   deleted_ = 0;
 }
 
 }  // namespace dart