Simplify isolates access during stack iteration (WAS: Move SafeStackFrameIterator::active_count_...)

src/mark-compact.cc

 // Copyright 2006-2008 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 872 matching lines @@
  private:
   Heap* heap_;
 };
 
 
 class CodeMarkingVisitor : public ThreadVisitor {
  public:
   explicit CodeMarkingVisitor(MarkCompactCollector* collector)
       : collector_(collector) {}
 
-  void VisitThread(ThreadLocalTop* top) {
-    for (StackFrameIterator it(top); !it.done(); it.Advance()) {
+  void VisitThread(Isolate* isolate, ThreadLocalTop* top) {
+    for (StackFrameIterator it(isolate, top); !it.done(); it.Advance()) {
       collector_->MarkObject(it.frame()->unchecked_code());
     }
   }
 
  private:
   MarkCompactCollector* collector_;
 };
 
 
 class SharedFunctionInfoMarkingVisitor : public ObjectVisitor {
@@ skipping 2178 matching lines @@
 }
 
 
 void MarkCompactCollector::Initialize() {
   StaticPointersToNewGenUpdatingVisitor::Initialize();
   StaticMarkingVisitor::Initialize();
 }
 
 
 } }  // namespace v8::internal