Revert "Ensure we're looking at the correct resolved AST when initializing fields in constructors."

pkg/compiler/lib/src/ssa/graph_builder.dart

Index: pkg/compiler/lib/src/ssa/graph_builder.dart
diff --git a/pkg/compiler/lib/src/ssa/graph_builder.dart b/pkg/compiler/lib/src/ssa/graph_builder.dart
index 6bfb69a711c7be281432f3a7c8083508552960fd..93700c80e5b75a5bf30767875c003b1229095bfd 100644
--- a/pkg/compiler/lib/src/ssa/graph_builder.dart
+++ b/pkg/compiler/lib/src/ssa/graph_builder.dart
@@ -11,6 +11,7 @@ import '../elements/resolution_types.dart';
 import '../elements/elements.dart';
 import '../io/source_information.dart';
 import '../js_backend/js_backend.dart';
+import '../resolution/tree_elements.dart';
 import '../tree/tree.dart' as ast;
 import '../types/types.dart';
 import '../universe/call_structure.dart' show CallStructure;
@@ -37,6 +38,9 @@ abstract class GraphBuilder {
   /// The JavaScript backend we are targeting in this compilation.
   JavaScriptBackend get backend;
 
+  /// The tree elements for the element being built into an SSA graph.
+  TreeElements get elements;
+
   CodegenRegistry get registry;
 
   ClosedWorld get closedWorld;