Remove obsolete unchecked accessors in JSFunction.

src/heap-snapshot-generator.cc

 // Copyright 2013 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 1030 matching lines @@
     TagObject(js_fun->literals_or_bindings(),
               bound ? "(function bindings)" : "(function literals)");
     SetInternalReference(js_fun, entry,
                          bound ? "bindings" : "literals",
                          js_fun->literals_or_bindings(),
                          JSFunction::kLiteralsOffset);
     TagObject(shared_info, "(shared function info)");
     SetInternalReference(js_fun, entry,
                          "shared", shared_info,
                          JSFunction::kSharedFunctionInfoOffset);
-    TagObject(js_fun->unchecked_context(), "(context)");
+    TagObject(js_fun->context(), "(context)");
     SetInternalReference(js_fun, entry,
-                         "context", js_fun->unchecked_context(),
+                         "context", js_fun->context(),
                          JSFunction::kContextOffset);
     for (int i = JSFunction::kNonWeakFieldsEndOffset;
          i < JSFunction::kSize;
          i += kPointerSize) {
       SetWeakReference(js_fun, entry, i, *HeapObject::RawField(js_fun, i), i);
     }
   } else if (obj->IsGlobalObject()) {
     GlobalObject* global_obj = GlobalObject::cast(obj);
     SetInternalReference(global_obj, entry,
                          "builtins", global_obj->builtins(),
@@ skipping 1604 matching lines @@
 
 
 void HeapSnapshotJSONSerializer::SortHashMap(
     HashMap* map, List<HashMap::Entry*>* sorted_entries) {
   for (HashMap::Entry* p = map->Start(); p != NULL; p = map->Next(p))
     sorted_entries->Add(p);
   sorted_entries->Sort(SortUsingEntryValue);
 }
 
 } }  // namespace v8::internal