Remove unused variable in my last CL.

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/utils.h"
 #include "vm/class_finalizer.h"
 #include "vm/dart_api_impl.h"
 #include "vm/dart_api_state.h"
@@ skipping 2152 matching lines @@
       "Fields test() {\n"
       "  Fields.Init();\n"
       "  top_fld = 'top';\n"
       "  _top_fld = 'hidden top';\n"
       "  top_getset_fld = 'top getset';\n"
       "  _top_getset_fld = 'hidden top getset';\n"
       "  return new Fields();\n"
       "}\n";
 
   // Shared setup.
-  Dart_Handle result;
   Dart_Handle lib = TestCase::LoadTestScript(kScriptChars, NULL);
   Dart_Handle cls = Dart_GetClass(lib, Dart_NewString("Fields"));
   EXPECT_VALID(cls);
   Dart_Handle instance = Dart_InvokeStatic(lib,
                                            Dart_Null(),
                                            Dart_NewString("test"),
                                            0,
                                            NULL);
   EXPECT_VALID(instance);
   Dart_Handle name;
-  int64_t value = 0;
 
   // Instance field.
   name = Dart_NewString("instance_fld");
   TestFieldNotFound(lib, name);
   TestFieldNotFound(cls, name);
   TestFieldOk(instance, name, false, "instance");
 
   // Hidden instance field.
   name = Dart_NewString("_instance_fld");
   TestFieldNotFound(lib, name);
@@ skipping 2309 matching lines @@
   // We should have received the expected number of interrupts.
   EXPECT_EQ(kInterruptCount, interrupt_count);
 
   // Give the spawned thread enough time to properly exit.
   Isolate::SetInterruptCallback(saved);
 }
 
 #endif  // defined(TARGET_ARCH_IA32) || defined(TARGET_ARCH_X64).
 
 }  // namespace dart