Move isPrivateName and isPublicName to Name.

pkg/compiler/lib/src/compiler.dart

 // 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.
 
 library dart2js.compiler_base;
 
 import 'dart:async' show
     EventSink,
     Future;
 
@@ skipping 109 matching lines @@
     Tracer;
 import 'tree/tree.dart' show
     Node;
 import 'typechecker.dart' show
     TypeCheckerTask;
 import 'types/types.dart' as ti;
 import 'universe/universe.dart' show
     CallStructure,
     Selector,
     Universe;
-import 'util/characters.dart' show $_;
 import 'util/util.dart' show
     Link;
 import 'world.dart' show
     World;
 
 abstract class Compiler implements DiagnosticListener {
 
   final Stopwatch totalCompileTime = new Stopwatch();
   int nextFreeClassId = 0;
   World world;
@@ skipping 1526 matching lines @@
         // Disable output in test mode: The build bot currently uses the time
         // stamp of the generated file to determine whether the output is
         // up-to-date.
         return new NullSink('$name.$extension');
       }
     }
     return userOutputProvider.createEventSink(name, extension);
   }
 }
 
-/// Returns `true` when [s] is private if used as an identifier.
-bool isPrivateName(String s) => !s.isEmpty && s.codeUnitAt(0) == $_;
-
-/// Returns `true` when [s] is public if used as an identifier.
-bool isPublicName(String s) => !isPrivateName(s);
-
 /// Information about suppressed warnings and hints for a given library.
 class SuppressionInfo {
   int warnings = 0;
   int hints = 0;
 }
 
 class _CompilerCoreTypes implements CoreTypes {
   final Compiler compiler;
 
   ClassElement objectClass;
@@ skipping 92 matching lines @@
 
   @override
   InterfaceType streamType([DartType elementType]) {
     InterfaceType type = streamClass.computeType(compiler);
     if (elementType == null) {
       return streamClass.rawType;
     }
     return type.createInstantiation([elementType]);
   }
 }