dart2js: Refactoring, documentation, and a few bugfixes in Namer class.

pkg/compiler/lib/src/js_emitter/new_emitter/model_emitter.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.
 
 library dart2js.new_js_emitter.model_emitter;
 
 import '../../constants/values.dart' show ConstantValue;
 import '../../dart2jslib.dart' show Compiler;
 import '../../dart_types.dart' show DartType;
 import '../../elements/elements.dart' show ClassElement;
@@ skipping 247 matching lines @@
   js.Property emitMangledGlobalNames() {
     List<js.Property> names = <js.Property>[];
 
     // We want to keep the original names for the most common core classes when
     // calling toString on them.
     List<ClassElement> nativeClassesNeedingUnmangledName =
         [compiler.intClass, compiler.doubleClass, compiler.numClass,
          compiler.stringClass, compiler.boolClass, compiler.nullClass,
          compiler.listClass];
     nativeClassesNeedingUnmangledName.forEach((element) {
-        names.add(new js.Property(js.string(namer.getNameOfClass(element)),
+        names.add(new js.Property(js.string(namer.className(element)),
                                   js.string(element.name)));
     });
 
     return new js.Property(js.string(MANGLED_GLOBAL_NAMES),
                            new js.ObjectInitializer(names));
   }
 
   js.Statement emitDeferredInitializerGlobal(Map loadMap) {
     if (loadMap.isEmpty) return new js.Block.empty();
 
@@ skipping 741 matching lines @@
 
   var end = Date.now();
   // print('Setup: ' + (end - start) + ' ms.');
 
   #invokeMain;  // Start main.
 
 }(Date.now(), #code)
 }""";
 
 }