Fix asserts in StackFrameIterator which were effectively disabled

runtime/vm/benchmark_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 "vm/benchmark_test.h"
 
 #include "bin/builtin.h"
 #include "bin/file.h"
 #include "bin/isolate_data.h"
 
@@ skipping 387 matching lines @@
 
 //
 // Measure frame lookup during stack traversal.
 //
 static void StackFrame_accessFrame(Dart_NativeArguments args) {
   const int kNumIterations = 100;
   Code& code = Code::Handle();
   Timer timer(true, "LookupDartCode benchmark");
   timer.Start();
   for (int i = 0; i < kNumIterations; i++) {
-    StackFrameIterator frames(StackFrameIterator::kDontValidateFrames);
+    StackFrameIterator frames(StackFrameIterator::kDontValidateFrames,
+                              Thread::Current(),
+                              StackFrameIterator::kNoCrossThreadIteration);
     StackFrame* frame = frames.NextFrame();
     while (frame != NULL) {
       if (frame->IsStubFrame()) {
         code = frame->LookupDartCode();
         EXPECT(code.function() == Function::null());
       } else if (frame->IsDartFrame()) {
         code = frame->LookupDartCode();
         EXPECT(code.function() != Function::null());
       }
       frame = frames.NextFrame();
@@ skipping 304 matching lines @@
   int64_t elapsed_time = timer.TotalElapsedTime();
   benchmark->set_score(elapsed_time);
 }
 
 
 BENCHMARK_MEMORY(InitialRSS) {
   benchmark->set_score(OS::MaxRSS());
 }
 
 }  // namespace dart