Revert of Make some functions that are hit during renderer startup available for inlining

src/ast/ast.cc

Index: src/ast/ast.cc
diff --git a/src/ast/ast.cc b/src/ast/ast.cc
index b429005032dd306019d475c4bad7d4984a9f6db5..6cf81c03eddfd2118039f1c93a966718e109e660 100644
--- a/src/ast/ast.cc
+++ b/src/ast/ast.cc
@@ -198,6 +198,17 @@
                 IsResolvedField::encode(false) |
                 HoleCheckModeField::encode(HoleCheckMode::kElided);
   BindTo(var);
+}
+
+VariableProxy::VariableProxy(const AstRawString* name,
+                             VariableKind variable_kind, int start_position)
+    : Expression(start_position, kVariableProxy),
+      raw_name_(name),
+      next_unresolved_(nullptr) {
+  bit_field_ |= IsThisField::encode(variable_kind == THIS_VARIABLE) |
+                IsAssignedField::encode(false) |
+                IsResolvedField::encode(false) |
+                HoleCheckModeField::encode(HoleCheckMode::kElided);
 }
 
 VariableProxy::VariableProxy(const VariableProxy* copy_from)