Move FindCodeObject from Heap to Isolate.

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 655 matching lines @@
   v->VisitPointers(fixed_base, fixed_limit);
 }
 
 
 void StubFrame::Iterate(ObjectVisitor* v) const {
   IterateCompiledFrame(v);
 }
 
 
 Code* StubFrame::unchecked_code() const {
-  return static_cast<Code*>(isolate()->heap()->FindCodeObject(pc()));
+  return static_cast<Code*>(isolate()->FindCodeObject(pc()));
 }
 
 
 Address StubFrame::GetCallerStackPointer() const {
   return fp() + ExitFrameConstants::kCallerSPDisplacement;
 }
 
 
 int StubFrame::GetNumberOfIncomingArguments() const {
   return 0;
@@ skipping 89 matching lines @@
       JSFunction* fun = frame->function();
       fun->PrintName();
       Code* js_code = frame->unchecked_code();
       Address pc = frame->pc();
       int code_offset =
           static_cast<int>(pc - js_code->instruction_start());
       PrintF("+%d", code_offset);
       SharedFunctionInfo* shared = fun->shared();
       if (print_line_number) {
         Code* code = Code::cast(
-            v8::internal::Isolate::Current()->heap()->FindCodeObject(pc));
+            v8::internal::Isolate::Current()->FindCodeObject(pc));
         int source_pos = code->SourcePosition(pc);
         Object* maybe_script = shared->script();
         if (maybe_script->IsScript()) {
           Handle<Script> script(Script::cast(maybe_script));
           int line = GetScriptLineNumberSafe(script, source_pos) + 1;
           Object* script_name_raw = script->name();
           if (script_name_raw->IsString()) {
             String* script_name = String::cast(script->name());
             SmartArrayPointer<char> c_script_name =
                 script_name->ToCString(DISALLOW_NULLS,
@@ skipping 799 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