Fix the definition of kIllegalPort in dart_api.h.

runtime/vm/dart_api_impl_test.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 "include/dart_api.h"
 #include "platform/assert.h"
 #include "platform/json.h"
 #include "platform/utils.h"
 #include "vm/class_finalizer.h"
 #include "vm/dart_api_impl.h"
@@ skipping 5588 matching lines @@
       reinterpret_cast<Dart_CObject*>(Dart_ScopeAllocate(sizeof(Dart_CObject)));
   response->type = Dart_CObject::kInt32;
   response->value.as_int32 = 321;
   Dart_PostCObject(reply_port_id, response);
 }
 
 
 UNIT_TEST_CASE(NewNativePort) {
   // Create a port with a bogus handler.
   Dart_Port error_port = Dart_NewNativePort("Foo", NULL, true);
-  EXPECT_EQ(kIllegalPort, error_port);
+  EXPECT_EQ(ILLEGAL_PORT, error_port);
 
   // Create the port w/o a current isolate, just to make sure that works.
   Dart_Port port_id1 =
       Dart_NewNativePort("Port123", NewNativePort_send123, true);
 
   TestIsolateScope __test_isolate__;
   const char* kScriptChars =
       "#import('dart:isolate');\n"
       "void callPort(SendPort port) {\n"
       "    port.call(null).then((message) {\n"
@@ skipping 599 matching lines @@
   EXPECT_VALID(result);
   EXPECT(Dart_IsInteger(result));
   int64_t value = 0;
   EXPECT_VALID(Dart_IntegerToInt64(result, &value));
   EXPECT_EQ(0, value);
 }
 
 #endif  // defined(TARGET_ARCH_IA32) || defined(TARGET_ARCH_X64).
 
 }  // namespace dart