Move IS_INDEXABLE_FIELD to JsGetName.

sdk/lib/_internal/compiler/js_lib/shared/embedded_names.dart

 // Copyright (c) 2014, 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.
 
 /// Contains the names of globals that are embedded into the output by the
 /// compiler.
 ///
 /// Variables embedded this way should be access with `JS_EMBEDDED_GLOBAL` from
 /// the `_foreign_helper` library.
 ///
@@ skipping 75 matching lines @@
   CALL_PREFIX1,
   CALL_PREFIX2,
   CALL_PREFIX3,
   CALL_CATCH_ALL,
   REFLECTABLE,
   CLASS_DESCRIPTOR_PROPERTY,
   REQUIRED_PARAMETER_PROPERTY,
   DEFAULT_VALUES_PROPERTY,
   CALL_NAME_PROPERTY,
   DEFERRED_ACTION_PROPERTY,
+  /// Prefix used for generated type argument substitutions on classes.
   OPERATOR_AS_PREFIX,
+  /// Name used for generated function types on classes and methods.
   SIGNATURE_NAME,
+  /// Name used to tag typedefs.
   TYPEDEF_TAG,
+  /// Name used to tag void return in function type representations in
+  /// JavaScript.
   FUNCTION_TYPE_VOID_RETURN_TAG,
+  /// Name used to tag return types in function type representations in
+  /// JavaScript.
   FUNCTION_TYPE_RETURN_TYPE_TAG,
+  /// Name used to tag required parameters in function type representations
+  /// in JavaScript.
   FUNCTION_TYPE_REQUIRED_PARAMETERS_TAG,
+  /// Name used to tag optional parameters in function type representations
+  /// in JavaScript.
   FUNCTION_TYPE_OPTIONAL_PARAMETERS_TAG,
+  /// Name used to tag named parameters in function type representations in
+  /// JavaScript.
   FUNCTION_TYPE_NAMED_PARAMETERS_TAG,
+  /// Field name used for determining if an object or its interceptor has
+  /// JavaScript indexing behavior.
+  IS_INDEXABLE_FIELD_NAME,
 }
 
 enum JsBuiltin {
   /// Returns the JavaScript constructor function for Dart's Object class.
   /// This can be used for type tests, as in
   ///
   ///     var constructor = JS_BUILTIN('', JsBuiltin.dartObjectContructor);
   ///     if (JS('bool', '# instanceof #', obj, constructor))
   ///       ...
   dartObjectConstructor,
@@ skipping 67 matching lines @@
   ///     JS_BUILTIN('returns:var;effects:none;depends:none',
   ///                JsBuiltin.getMetadata, index);
   getMetadata,
 
   /// Returns the type of the given [index].
   ///
   ///     JS_BUILTIN('returns:var;effects:none;depends:none',
   ///                JsBuiltin.getType, index);
   getType,
 }