Cleanup access to guarded_fields

runtime/vm/flow_graph_builder.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/flow_graph_builder.h"
 
 #include "lib/invocation_mirror.h"
 #include "vm/ast_printer.h"
 #include "vm/bit_vector.h"
 #include "vm/compiler.h"
@@ skipping 3654 matching lines @@
   LoadFieldInstr* load = new(Z) LoadFieldInstr(
       for_instance.value(),
       &node->field(),
       AbstractType::ZoneHandle(Z, node->field().type()),
       node->token_pos());
   if (node->field().guarded_cid() != kIllegalCid) {
     if (!node->field().is_nullable() ||
         (node->field().guarded_cid() == kNullCid)) {
       load->set_result_cid(node->field().guarded_cid());
     }
-    FlowGraph::AddToGuardedFields(owner()->guarded_fields(), &node->field());
+    owner()->parsed_function().AddToGuardedFields(&node->field());
   }
   ReturnDefinition(load);
 }
 
 
 void EffectGraphVisitor::VisitStoreInstanceFieldNode(
     StoreInstanceFieldNode* node) {
   const TokenPosition token_pos = node->token_pos();
   ValueGraphVisitor for_instance(owner());
   node->instance()->Visit(&for_instance);
@@ skipping 965 matching lines @@
                    Script::Handle(function.script()),
                    function.token_pos(),
                    Report::AtLocation,
                    "FlowGraphBuilder Bailout: %s %s",
                    String::Handle(function.name()).ToCString(),
                    reason);
   UNREACHABLE();
 }
 
 }  // namespace dart