Move SimulatorHelper into V8 out of profiler clients.

test/cctest/trace-extension.cc

Index: test/cctest/trace-extension.cc
diff --git a/test/cctest/trace-extension.cc b/test/cctest/trace-extension.cc
index f0cc3cc2cc3b049a77b8c9a4574c59fb73e73b47..989ce51357afe7e28848a0486123aac6c3a246b8 100644
--- a/test/cctest/trace-extension.cc
+++ b/test/cctest/trace-extension.cc
@@ -103,7 +103,8 @@ void TraceExtension::DoTrace(Address fp) {
   // sp is only used to define stack high bound
   regs.sp =
       reinterpret_cast<Address>(trace_env.sample) - 10240;
-  trace_env.sample->Init(CcTest::isolate(), regs,
+  RegisterState updated_regs;
+  trace_env.sample->Init(CcTest::isolate(), regs, updated_regs,
                          v8::TickSample::kSkipCEntryFrame, true);
 }