Merge CoreTypes and CoreClasses into CommonElements.

pkg/compiler/lib/src/elements/common.dart

 // Copyright (c) 2015, 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.
 
 /// Mixins that implement convenience methods on [Element] subclasses.
 
 library elements.common;
 
 import '../common/names.dart' show Identifiers, Names, Uris;
-import '../core_types.dart' show CoreClasses;
+import '../core_types.dart' show CommonElements;
 import '../dart_types.dart' show DartType, InterfaceType, FunctionType;
 import '../util/util.dart' show Link;
 import 'elements.dart';
 
 abstract class ElementCommon implements Element {
   @override
   bool get isLibrary => kind == ElementKind.LIBRARY;
 
   @override
   bool get isCompilationUnit => kind == ElementKind.COMPILATION_UNIT;
@@ skipping 411 matching lines @@
     return false;
   }
 
   @override
   bool implementsInterface(ClassElement intrface) {
     return this != intrface &&
         allSupertypesAndSelf.asInstanceOf(intrface) != null;
   }
 
   @override
-  bool implementsFunction(CoreClasses coreClasses) {
-    return asInstanceOf(coreClasses.functionClass) != null || callType != null;
+  bool implementsFunction(CommonElements commonElements) {
+    return asInstanceOf(commonElements.functionClass) != null ||
+        callType != null;
   }
 
   @override
   bool isSubclassOf(ClassElement cls) {
     // Use [declaration] for both [this] and [cls], because
     // declaration classes hold the superclass hierarchy.
     cls = cls.declaration;
     for (ClassElement s = declaration; s != null; s = s.superclass) {
       if (identical(s, cls)) return true;
     }
@@ skipping 190 matching lines @@
   @override
   bool get isBoolFromEnvironmentConstructor {
     return fromEnvironmentState == _FromEnvironmentState.BOOL;
   }
 
   @override
   bool get isStringFromEnvironmentConstructor {
     return fromEnvironmentState == _FromEnvironmentState.STRING;
   }
 }