Make assertion scopes thread safe.

src/frames.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 759 matching lines @@
   functions->Add(summary);
 }
 
 
 void JavaScriptFrame::PrintTop(Isolate* isolate,
                                FILE* file,
                                bool print_args,
                                bool print_line_number) {
   // constructor calls
   HandleScope scope(isolate);
-  AssertNoAllocation no_allocation;
+  DisallowHeapAllocation no_allocation;
   JavaScriptFrameIterator it(isolate);
   while (!it.done()) {
     if (it.frame()->is_java_script()) {
       JavaScriptFrame* frame = it.frame();
       if (frame->IsConstructor()) PrintF(file, "new ");
       // function name
       Object* maybe_fun = frame->function();
       if (maybe_fun->IsJSFunction()) {
         JSFunction* fun = JSFunction::cast(maybe_fun);
         fun->PrintName();
@@ skipping 823 matching lines @@
   ZoneList<StackFrame*> list(10, zone);
   for (StackFrameIterator it(isolate); !it.done(); it.Advance()) {
     StackFrame* frame = AllocateFrameCopy(it.frame(), zone);
     list.Add(frame, zone);
   }
   return list.ToVector();
 }
 
 
 } }  // namespace v8::internal