[turbofan] Introduce builders for property access.

src/compiler/ast-graph-builder.h

Index: src/compiler/ast-graph-builder.h
diff --git a/src/compiler/ast-graph-builder.h b/src/compiler/ast-graph-builder.h
index 9e06a4e194a4cc35a883af83e09410ea961656b7..5a0996910c6766015ab433b4c8ea816c10bd5634 100644
--- a/src/compiler/ast-graph-builder.h
+++ b/src/compiler/ast-graph-builder.h
@@ -224,6 +224,15 @@ class AstGraphBuilder : public AstVisitor {
                           const VectorSlotPair& feedback,
                           ContextualMode mode = CONTEXTUAL);
 
+  // Builders for property loads and stores.
+  Node* BuildKeyedLoad(Node* receiver, Node* key,
+                       const VectorSlotPair& feedback);
+  Node* BuildNamedLoad(Node* receiver, Handle<Name> name,
+                       const VectorSlotPair& feedback,
+                       ContextualMode mode = NOT_CONTEXTUAL);
+  Node* BuildKeyedStore(Node* receiver, Node* key, Node* value);
+  Node* BuildNamedStore(Node* receiver, Handle<Name>, Node* value);
+
   // Builders for accessing the function context.
   Node* BuildLoadBuiltinsObject();
   Node* BuildLoadGlobalObject();